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SIX SIGMA SESSION
FOR PRODUCTION AND PROJECT TEAM

  ( COVERING   BROADLY YELLOW & GREEN BELT TOPICS   )



                       BY
   LT COL ( RETD) VIKRAM BAKSHI (BLACK BELT)
Topics
•   Introduction
     – Quality tools and Six Sigma Mistaking Proofing

•   Process Chart / CTQ /CTP/ DEFECT determination/DPMO/Sigma Calculations


•   Six Sigma Methodologies & Tools
     – How to make a Flow Chart
     – Check Sheet of data collection
     – Cause and effect Diagram (Fish Bone)
     – Pareto Chart
     – Histogram
     – Scatter Diagram
     – Control Chart

•   Value Stream Process
•   Failure Mode and Effect Analysis

•   How YOU can use Six Sigma: DMAIC Process
INTRODUCTION
What do you mean by
           “Quality Control”
     • Fitness for Use             • Grade/Quality
• The component are said             Characteristics
  to be in good quality if   • Appearance
  they work well in the        /performance life /
  equipment for which they     reliability/taste/
  are meant to be              odor/maintainability/time

                             • VOC
 Give so much to
  customer as he values      • Who is the customer>
                               VOC> Quality
                               characteristics> CTQs
What are the KPI of any
              Organization
                        • But Customer is Not
• Functional Targets      Interested

  –   Profitability     • Quality> Product and
  –   Sales Turn over     Support Quality
  –   Market Share      • Cost
  –   Share Prices      • Delivery Schedule
Traditional Management
• Time,    cost,     quality--   • Focus is on achieving
  choose any two                   Functional goal of
• QA        function        to     Sales/ Design/ Purchase/
  independently check up           HR/ Production/ Logistics/
  on      and       "control"      Accounts/ Administration
  production
• Remove      and     rework     • VALUE IS TO THE
  defective product through        ORGANIZATION
  inspection P/F
• Cost of quality, optimal
  inspection and rejection
SIX SIGMA
   • FOCUS IS ON QCD           •   - It is a management
• VALUE IS TO CUSTOMER             methodology that helps
  • ENSURES LONG RUN               organization to improve
                                   profitability
  GOOD WILL AND LOYALTY
      OF CUSTOMER
                               •   Disciplined Data Collection
                                   and statistical analysis to
      •   ULTIMATE GOAL            achieve
            IS ROCE
                                    – Reduce defects
     RETURN ON CAPITAL              – Eliminate Wasteful practices
        INVESTMENTS                 – Delight internal and external
                                      customer by fulfilling present
                                      and future needs
•    TOTAL SAVING FOR ANY
    BLACK BELT PROJECT IS 20
       LAKHS PER ANNUM
CTP: What are the actions
          required to achieve the CTQ
•   What does my customer need from      •   What is the measurement information
                                             to be captured? What is the metric?
    our process
                                         •    How is the information going to be
                                             collected? Does a form need to
•   How is our process performance
                                             be developed?
    from the customer perspective
                                         •   Can it come from an existing source?
•   How does my customer measure my
                                         •   When will it be collected? How
    process                                  granular does the team need to be?

•   How does my customer view my         •   Is continuous information needed?
    process
                                         •   Will a week-end or month-end number
                                             suffice (a point in time number versus
                                             continuous)?
•   What can we do better

•   How would my customer like for our
    process to perform
Difference between
                       QA and TQM/6 Sigma.
  PHASE           QA                TQM/SIX
                                    SIGMA           TQM                 6 SIGMA
  SCOPE           Prodn             All Processes   Quality circle is   All
                  processes                         middle mgmt and
                                                    tech personnel
  Area of         On Line           Before the
  Action                            Beginning       Change triggered    Internal and External
                                                    by internal
  System          Appraisal         Prevention
                                                    customer
  Function        Inspection        Plan Do Audit   Tech                Tech processes
                  Analysis          Check           processes           + Business issues like cost
                                                                        /cycle times/ attrition
  Status          Manager
                                    GM                                  rates/meeting delivery
                                                                        schedules
ISO9000                       SIX SIGMA             No Bottom line      Profitability is main
What to do                                          goal
                              How to do             No time Line        Well defined Time lines
QA is base                    TQM/TPS is the base   Continual           Break through
                                                    Improvement         Improvement
Documentation first           Improvement first
Implementation later          Documentation later
Leads to Certification        Lead to Profit
                              improvements
Lean Tools and Approaches
Six Sigma and Lean concepts and methods are
often combined into Lean Six Sigma.
• Both are driven by customer requirements.
• Both try to eliminate waste, reduce costs,
  speed things up, and improve quality.
• Both focus on real dollar savings.
• Both rely on a systematic methodology.
DMAIC Toolkit for Lean Six Sigma
PROCESS TOOLS
           Define                Measure              Analyze              Improve               Control
         Define the purpose   Understand the        Identify and confirm Pilot solutions,        Maintain the
         And scope. Collect   Current process       Root Causes w/Data evaluate resulting data   Gain, standardize
         Background info.     •Data Collection/     •Hypothesis tests     •Pugh Matrix           •Standardization
         •Charter             Sampling Plan         •C&E Diagrams         •FMEA                  •Training
         •SIPOC               •Run Time/Control     •Run/Control Charts •New Paretos             •Control Plans
         •VOC                 Charts                •Histograms           •New Process Sigma     •Run/Control Charts
6σ       •Affinity Diagram    •Frequency Plots      •Stratified Frequency •Ideal Flowcharts      •Process Audits
         •CTQ Defined         •Scatter Plots         Plots                •Pilot Studies         •Communication
         •Oper. Definitions   •Test for Normality   •Regression           •Commitment Scale       Plans
         •Pareto              •Transformations      •DOE                  •Tree Diagrams         •Ownership
         •Communication       •Process Sigma        •Validated Root       •Gantt Charts            transition
          Plan                •Flowcharts            Cause List           •Planning Grids        •Multiply
         •Gantt Chart         •Histograms                                 •Affinity Diagram       Solutions

         •Value Stream Mapping     •Autonomation               •Operational Analysis     • Management
         •Takt Time                •JIT                        •Six Big Losses             Deployment System
         •Eight Wastes             •Visual Stds./Controls      •OEE                      •Vendor Scorecards
Lean     •Visual Factory           •Kanban                     •SMED                     •Real-time Dashboards
         •Error-Proofing           •Standardization            •TPM                      •Simple Graphical
         •Workload Balancing       •5S                         •One-Piece Flow            Analysis
         •Change Control           •Future State               •Kaizen                   •Go to Gemba




                ALL TOPICS OF LEAN AND SIX SIGMA
     CAN BE COVERED IN FUTURE SESSIONS FOR IMPLEMENTATIONS
                                                                                                                       12
• How Do we achieve     CORRECTION       Corrective        Preventive
          Prevention                         Action            Action

• RCO > Reduced chance of   Rectifying the   First find root   Extend learning
  Occurrence                mistake that
                            has occurred
                                             cause             Build POKA
                                             ( Fish bone)      YOKE
• ( Pen Drive)              Damage           Build POKA        Think
                            control          YOKA to           proactiely to
                                             prevent           build
                                             occurrence of     prevention in
• ICD> Increase chance of                    root cause        processes
  detection                                                    before things
                                                               go wrong
• (Car seat belt alarm)
• (Railway signal)
• (CCTV)
            Six sigma is all about
       building Prevention Processes
   If processes does not allow mistake
        No need to inspect mistake
The Six Sigma Evolutionary Timeline

                       1818: Gauss uses the normal curve                                                1924: Walter A. Shewhart introduces
                       to explore the mathematics of error                                              the control chart and the distinction of
                       analysis for measurement, probability                                            special vs. common cause variation as
                       analysis, and hypothesis testing.                                                contributors to process problems.


  1736: French                                                    1896: Italian sociologist Vilfredo
  mathematician                                                   Alfredo Pareto introduces the 80/20
  Abraham de                                                      rule and the Pareto distribution in
  Moivre publishes                                                Cours d’Economie Politique.
  an article
  introducing the
  normal curve.
                                  1949: U. S. DOD issues Military
                                  Procedure MIL-P-1629, Procedures
                                                                            1960: Kaoru Ishikawa
                                  for Performing a Failure Mode Effects
                                                                            introduces his now famous
                                  and Criticality Analysis.
                                                                            cause-and-effect diagram.

1941: Alex Osborn, head of                                                                                  1970s: Dr. Noriaki Kano
BBDO Advertising, fathers a                                                                                 introduces his two-dimensional
widely-adopted set of rules for                                                                             quality model and the three
“brainstorming”.                                                                                            types of quality.


        1986: Bill Smith, a senior
        engineer and scientist introduces                                                          1995: Jack Welch
        the concept of Six Sigma at                                                                launches Six Sigma at GE.
        Motorola

                                                          1994: Larry Bossidy launches
                                                          Six Sigma at Allied Signal.
Six Sigma Companies
Six Sigma and Financial
       Services
How do Others Perform?
                                   IRS Tax Advice
                                     (phone in)
                      1,000,000
                                                               1% of Hospitalized Patients Injured by
Defects per Million




                                                               Negligence
                       100,000

                                                                   Doctor Prescription Writing
                        10,000
                                                                  Airline Baggage Handling
                                         Average
                         1,000
                                         Company                                     Deaths caused by
                                                                                     anesthesia during surgery
                           100
                                                                                            Domestic Airline
                                                          Best-in-Class                      Fatality Rate
                             1
                                   2           3      4           5              6               7


                                             Sigma Scale of Measure
                                                                                                        17
Understanding Six Sigma
                                 Sigma     DPMO
 STATISTICALLY
 STATISTICALLY                      2       308,537
 Six Sigma refers to aa                                        Most US
  Six Sigma refers to               3       66,807
 process that produces                                         Businesses
  process that produces             4        6,210
 only 3.4 defects per
  only 3.4 defects per
 million opportunities.
  million opportunities.            5          233
                                    6          3.4              Goal
Business          An overall strategy that encompasses your
Strategy          organization’s quality philosophy. It sets the vision
                  for achieving Six Sigma levels in key processes.

Tools And         A set of statistical tools and a disciplined
Tactics           methodology used by specially trained individuals
                  to improve processes by reducing variation and
                  defects.                                         18
BASICS OF SIX SIGMA
  FOR BEGINNERS
QUALITY GOAL OF SIX SIGMA
As defined by Motorloa Less than 3.4 defects per million opportunities for error
                ie .00034 % ie and accuracy of 99.99966%


                                         •   Define Your Product Unit
•    VOC >CTQ to satisfy the
                                              – A unit is something that is
    customer satisfaction or                    quantified by customer
    requirements                              – Measurable and observable
                                                output of your business process

•   Define your Product /Service
                                         •   Define your product Opportunities
    defects                                  of Error
    – Does not meet Customer (                – Total Number of Chances per unit
      Internal and external)                    to have a defect .
      specification or requirements           – Each opportunity must be
    – Causes customer                           independent o other opportunities
      dissatisfaction
    – Does not fulfil functional or
      physical requirements
Customer Needs vs. Customer CTQ’s

•   Customer needs are the data collected
    from customers that gives information   • CTQ
    about what they need or want from
    your process. Customer needs are           –    Stated Needs:
    often high level, vague, and non-              Specified by customer
    specific                                       Policies/tender/LOI

     “I need a quick response!”                – Unstated Needs:
     “I need accurate information!”            Are not specified
                                               (labor need legal
•   CTQ’s are customer needs
                                                  requirements)
    translated into critical process
    requirements that are specific and
    measurable.
                                            • Expectations:
                                              Delighters of the
•   A fully developed CTQ has three
    elements: Y metric, target,               customer
    specification/tolerance limits                                         21
Getting to the CTQ’s
Translating a customer need into a fully developed CTQ


                                        Time from inquiry to
     Example:                            resolution (Y metric)


  Quick Response         CTQ               5 minutes or less
                                                  (Target)


                                          Not greater than 60
                                               minutes
                                        (specification / tolerance limit)
                                                                            22
Define – Customer Requirements
       What are the CTQs? What motivates the
                     customer?
                                                                 Voice of the Customer   Key Customer Issue   Critical to Quality
                                 SECONDARY RESEARCH
Listening Posts Industry Intel




                                    Market
                                     Data           Industry
                                                  Benchmarking



                                                  Customer
                                               Correspondence
                                 Customer
                                  Service




                                  PRIMARY RESEARCH

                                    Surveys
                                     Surveys


                                                       OTM


                                                      Obser-
                                   Focus Groups       vations
Examples
•   Area: Call Center                         •   Area: Book Publisher
•   Customer Complaint: I wait                •   Customer Complaint: I cant stand
    consistently too long to speak to to an       any typing error in books I
    executive                                     purchase
•   CTQ Name: Executive
    Responsiveness                            •   : Typograpghic Quality
•   CTQ Measure: Time on Hold seconds)        •   CTQ name CTQ measure:
•   CTQ Specification: Less than 60               Number of typography mistakes
    seconds from call connection to           •   CTQ Specification: Zero
    automated response system                     typographic mistakes
•   Defect : Call with holds time equal
    and greater than 60 seconds
•   Unit : Call                               •   Defect: Any typogrpahic mistake
•   Opportunity : 1 per call                  •   Unit : Word
•   Sigma ?                                   •   Opportunity: No of letter per word
DPU AND DPMO
•   Take the data collected based on the data           •   Calculate the Defects Per Million
    collection plan, using an appropriate sample            Opportunities using the following
    size.                                                   formula:
•   Calculate the number of defects in the
    sample based on the Operational
    Definitions.                                        •   DPMO = Defects x 1 Million
                                                                    divided by No of Units
•    Define what an opportunity is. Be cautious             processed at that review point x
    in defining too many opportunities; this will           Opportunities for error in that unit
    artificially inflate the Sigma Level

•    Suppose that a project is focused on a                 DPMO= 60 x1000000 divided by 250 x
     billing process. The team wants to                     1
    have correct bills sent to the customer. They
     have defined one opportunity for this
     process - either the bill is correct or not. All             =240 000
     of the bills produced are the same in terms
     of complexity. The team took a sample of
    250 bills and found 60 defects

                                                        •   Using a conversion table, the team
                                                            found the Sigma Level to be about 2.2.
                                                            They used this information to baseline
                                                            the current process performance.
Use the table to convert DPMO into the Sigma
                    Level
Another example
• A purchase order has 20    • DPMO= DPU X 1000000
  Opportunities for error.     DIVIDED BY
  The person who enters        OPPORTUNITIES FOR
  the order makes one          ERROR IN THAT UNIT
  defect on an average.
  What is Sigma level for    • = 1X 1000000
  this process
                               DIVIDED BY 20
• DPU= No of defects
  divided by No of units =   = 50,000
  1 divided by1=1
                             SIGMA LEVEL= 3.1
CALCULATION SIGMA LEVEL FOR THE ENTIRE
                    ORGANIZATION

Sub         No of      No of       Opportuni DPU   DPMO   SIGMA
process     units      defects     ty for                 LEVEL
                                   error
Sales       Order 20   5 w/o PO

Fin         GRN Bills 10
            25        MISTAKE
                      S
HR          23         8 DELAYED


Productio   100        25
n                      MISTAKE
                       S
TOTAL                              OPP      DPU
SPC
•   Capability Indices                     •   Cp = USL – LSL divided by 6s
•   Process capability is the ability of
    the process to meet the                •   Cp is the potential capability
    requirements set for that process.         indicating how well a process
                                               could be if it were centered on
•   One way to determine process               target. This is not necessarily its
    capability is to calculate                 actual performance because it
•   capability indices.                        does not consider the location of
                                               the process, only the spread.
•   Capability indices are used for        •   It doesn't take into account the
    continuous data and are                    closeness of the estimated
•   unit less statistics or metrics.           process mean to the specification
                                               limits.
•   There are many capability indices
    but the two most commonly used
    are Cp and Cpk (or Pp and Ppk).
DPU AND DPMO
•   Take the data collected based on the            •   Calculate the Defects Per Million
    data collection plan, using an                      Opportunities using the following
    appropriate sample size.                            formula:

•    Calculate the number of defects in the
    sample based on the Operational                 •   DPMO = Defects x 1 Million
    Definitions.                                                divided by Units x
                                                        Opportunities
•    Define what an opportunity is. Be
    cautious in defining too many                       DPMO= 60 x1000000 divided by 250 x
    opportunities; this will artificially inflate       1
    the Sigma Level
                                                            =240 000
•   Suppose that a project is focused on a
    billing process. The team wants to              •   Using a conversion table, the team
    have correct bills sent to the customer.            found the Sigma Level to be about 2.2.
    They have defined one opportunity for               They used this information to baseline
    this process - either the bill is correct           the current process performance.
    or not. All of the bills produced are the
    same in terms of complexity. The team
    took a sample of 250 bills and found
    60 defects
PROCESS CAPABILITY
•   A control chart statistically determine upper and       •    How do we calculate
    lower limits either side of a process average . IN
    CONTROL                                                       X bar Mean and
•   Process width = UCL - LCL
     UCL= X bar + 3 sigma                                         sigma also called as standard
     LCL= Xbar – 3 Sigma                                         deviation :WILL COVER LATER
     PW= 6 SIGMA                                                 IN PPT IN HISTOGRAM
                                                                 PORTION
     Specification Width is given by customer UCL AND LCL
         must remain within USL and LSL

          = USL - LSL

     Cp= SW divided by PW

       = SW divided by 6 sigma


     PROCESS IS SAID TO BE
       CAPABLE ONLY IF Cp > 1

      Cpk and Control Charts Not being
                   covered                                      WILL COVER IN DETAIL IN NEXT
                                                                  SESSION INCLUDING Cpk
Is 99% Good ?
99% Accuracy
           Practical Meaning of “99% Good”
• 20,000 lost articles of mail per hour
• Unsafe drinking water almost 15 minutes each day
• 5,000 incorrect surgical operations per week
• 2 short or long landings at most major airports each
  day
• 200,000 wrong drug prescriptions each year
• No electricity for almost 7 hours each month

         99% Is NOT Good Enough Anymore
6  – The Measurement
    99.0% = 3.85 
   99.9996% = 6 
  Is there really a big difference
   between 99.0% & 99.9996%?
What’s in a name?
• Sigma is the Greek letter representing the standard
  deviation of a population of data.

• Sigma is a measure
  of variation
  (the data spread)
                                σ




                            µ
Facts
•   All work is a process
•   All processes have variation and waste
•   Variation causes defects waste causes loss
•   Processes can be improved by understanding
    the nature of the variation and waste
What does variation mean?
                                    20


• Variation means that a            15


  process does not produce          10


  the same result (the “Y”)          5


  every time.                        0


                                    -5

• Some variation will exist in
                                   -10

  all processes.

• Variation directly affects customer experiences.



             Customers do not feel averages!
Measuring Process Performance
              The pizza delivery example. . .

• Customers want their pizza
  delivered fast!


•            Guarantee = “30 minutes or less”


• What if we measured performance and found an
  average delivery time of 23.5 minutes?
    – On-time performance is great, right?
    – Our customers must be happy with us, right?
How often are we delivering on time?
                       Answer: Look at
                         the variation!
                                           30 min. or less



                                  s




        0        10      20   x       30          40         50

• Managing by the average doesn’t tell the whole story.
  The average and the variation together show what’s
  happening.
Reduce Variation to Improve
             Performance
                     How many standard or less
                                      30 min.
                     deviations can you
                         “fit” within
                              s
                         customer
                       expectations?



        0       10       20   x   30      40       50

• Sigma level measures how often we meet (or fail to
  meet) the requirement(s) of our customer(s).
Another Example

      Roller Bearing Manufacturing
     Diameter is a CTQ
     (Critical To Quality Parameter)


     Nominal diameter = 2.5mm
     Minimum Spec        = 2.25mm
     Maximum Spec        = 2.75mm

                                       41
Example (Cont.)
   Lower                       Upper
Specification               Specification
   Limit                       Limit

                Nominal
                Diameter                    Customer is
                                            expecting 2.5 mm
                2.5 mm
                                        But will allow
No Less Than               No More Than some variation
                                        within the Spec
  2.25 mm                    2.75 mm    range.

                                                         42
Example (Cont.)

         Manufactured Roller
          Bearing Diameter

          Actual Micrometer
           Measurements




                          43
Example (Cont.)

             Manufactured
             Roller Bearing
               Diameter


               Variation
             ending up as a
                 defect

                         44
Example (Cont.)

           Let’s Look at Some
             Basic Statistics

            Mean diameter = 2.50 mm
          Standard Deviation = 0.125 mm



                 On Average
                   it’s OK
               It’s a Variation
                     issue            45
Example (Cont.)

          Reducing Variation
          is Clearly the Key to
           Improving Process
               Capability


                     2
                             46
Example (Cont.)

          Reducing Variation
          is Clearly the Key to
           Improving Process
               Capability


                     3
                             47
Example (Cont.)
          Reducing Variation
          is Clearly the Key to
           Improving Process
               Capability


                     4
                             48
Example (Cont.)

           Reducing Variation
           is Clearly the Key to
            Improving Process
                Capability


                      5
                              49
Example (Cont.)
         Reducing Variation
         is Clearly the Key to
          Improving Process
              Capability


                    6
                             50
I think now we know what we mean by SIX SIGMA
                          LETS AGAIN REWIND

Process                   Defect       •   The Objective of 6 Sigma is to achieve
capability
              DPMO                         level of 3.4 defects or errors out of
                          Count in
(Sigma                                     every million defect opportunities.
                          %
Level)
                                       •   This translates into 99.9997%
              690000                       perfection
1                         69
              308000      30.8
2                         (2 Times)
                                       •   While everybody talks about customer
                                           satisfaction and world class quality,
                                           here we are transferring Quality into
              66800       6.68
3                         (5 Times)
                                           Quantifiable language

                          0.62
                                             Six Sigma Approach focuses on:
              6210
4                         (10 Times)
                                                    Customer needs
                                               Data-driven improvements
              230         0.023                 The inputs of the process
5                         (30 Times)               And this results in:
                          0.00034                Reducing or eliminating
              3.4
6                         (80
                                                         defects
                                               Reducing process variation
                          Times)
                                              Increasing process capability
Managing Up the Sigma Scale
Sigma   % Good    % Bad     DPMO
  1      30.9%    69.1%     691,462
  2      69.1%    30.9%     308,538
  3      93.3%    6.7%      66,807
  4     99.38%    0.62%      6,210
  5     99.977%   0.023%     233
  6     99.9997% 0.00034%     3.4
Table Comparison of 99.9% Vs 99.9997%

Activity/Operation    Error Nos with 99.9 % Quality   Error Nos with
                                                      99.9997 %Quality

Delivery of 300,000   300 mis deliveries              1 Mis delivery
Letters

60                    500 Crashes                     <2 CRASHES


Clearance of 200,000 200 wrong clearance              < 1 wrong
cheques in a week                                     clearance

Handling of 60,000    60 bags lost in a day           < 2 BAGS LOST IN
nos bagagages by                                      A WEEK
airline in a day
Six Sigma is. . .
•   A performance goal, representing 3.4
    defects for every million opportunities   • Who is the Customer
    to make one.

•   A series of tools and methods used to
    improve or design products,
                                              • What are the Quality
    processes, and/or services.                 Characteristics
•   A statistical measure indicating the
                                                required by him
    number of standard deviations within
    customer expectations.

•   A disciplined, fact-based approach to
                                              • CTQ
    managing a business and its
    processes.
                                              • Actions required to
•   A means to promote greater
    awareness of customer needs,                achieve the CTQs
    performance measurement, and
    business improvement.
Examples of the Sigma Scale
In a world at 3 sigma. . .        In a world at 6 sigma. . .

•   There are 964 U.S. flight     •   1 U.S. flight is cancelled every
    cancellations per day.            3 weeks.

•   The police make 7 false       •   There are fewer than 4 false
    arrests every 4 minutes.          arrests per month.

•   In MA, 5,390 newborns are     •   1 newborn is dropped every 4
    dropped each year.                years in MA.

•   In one hour, 47,283           •   It would take more than
    international long distance       2 years to see the same
    calls are accidentally            number of dropped
    disconnected.                     international calls.
PART THREE

     ANYBODY FOR A SMOKE BREAK OR CONTINUE!

• Six Sigma Methodologies & Tools
  – How to make a Flow Chart
  – Check Sheet of data collection
  – Cause and effect Diagram (Fish Bone)
  – Pareto Chart
  – Histogram
  – Scatter Diagram
  – Control Chart
Process Maps

• Another important set of deliverables of
  the Define phase are process
• maps.

• The maps should be based on the actual
  state of the process, or "asis“ maps.

• They should not show the desired state at
  this point in the project.
High Level Process Maps
Develop high level process maps to include next-level subprocess overviews,
identify process linkages and gaps to ensure that the teams are aligned.
Deliverables:

a. Sub Team Processes Mapped to Critical Steps

b. Team Leaders Met and Reviewed & Aligned Maps
SIPOC.
                                           •   Establish a name for the process.
•   The first stage would be to create
    a SIPOC. SIPOC stands for              •    Define the starting point and the ending point
    Suppliers,     Inputs,   Process,          of the process to be improved. These should
    Outputs and Customers.                     already be listed in the scope section of the
                                               team Charter.

•   The SIPOC is a very top-level          •    List the key outputs of the process. Usually,
    view of the process to be                  this list includes up to three or four main
    improved.                                  outputs even though the process may produce
                                               more.

•   By starting the mapping process        •    Define who receives those outputs, i.e. the
    at this level, it allows the team to       customers. These customers may be internal
                                               (part of the business) or external.
    quickly develop a common
    understanding of the process to        •    State the top-level process steps of the
    improve and the key customers              process. Keep the list to four to eight main
    and suppliers                              steps. These steps do not contain any
                                               decision points or feedback loops.

                                           •    List the inputs to process. Stick with one to
                                               four main inputs.

                                           •   Define who supplies the inputs to the process.
SIRPORC
                    REQUIREMENT                               CUSTOMER
SOURCE                                                       REQUIREMENT
SUPPLIER   INPUTS        OF
                                  PROCESS   OUTPUT CUTOMER      OF THE
                      SUPPLIER
                                                               PROCESS




                              AREA OF PROCESS
                          WHERE WE EXPECT TO FOCUS
                          OUR INITIAL MEASUREMENTS




                                   SUBPROCESS
Process Understanding
SIPOC – Suppliers, Inputs, Process, Outputs, Customers
You obtain inputs from suppliers, add value through your process, and provide
an output that meets or exceeds your customer's requirements.
SHOP FLOOR EXAMPLE
FLOW CHART
                        •   What people are presently doing/
      START/                internal and external interconnections
      FINISH
                        •   Relation ship Map how various
                            function and individual interface with
                            each other
 ACTIVITY/OPERATION

                        •   Maps and Flow Chart to make work
                            visible
  DECISION STAGE
                        •   Identify alternative way

                        •   Improvement opportunities
LINK TO NEXT ACTIVITY
                        •   Analysis tool



A DOCUMENT OR DIAGRAM
TOP DOWN MAP
                                             •   The steps for creating a top-down chart
•   However, the SIPOC is probably not           are:
    detailed enough to find opportunities
    for making the process better.                       Agree on the start point and
                                                      end point for the process map.
•   More detailed mapping is required The
    next stage of mapping may be a                      These are already listed in the
    top-down chart.                                   SIPOC.

•   The top-down chart takes the •                Identify four to eight major steps that
    information from the SIPOC and adds          describe the process from beginning to
    a second level of information.               end.

•   For each step listed in the SIPOC, the         List those steps horizontally across
    team defines the associated sub-                a flipchart page.
    steps.
                                                   These are also taken from the
•   There are still no feedback loops or            SIPOC.
    decision points
                                             •    Break each major step into three to
                                                 seven sub-steps. List the substeps
                                                 under the corresponding major step.


                                             •
TOP DOWN SUB PROCESS
      AFTER WE MAKE SIPOC CHART
Review the map and make corrections as necessary.
Rearrange steps, combine sub-steps, or
 Revise the descriptions of the major steps or sub-steps so
Accurately describe the process.
 Agree on a presentation format for the process map.

             FROM SIPOC PHASE MAKE YOUR FLOW CHART
ANOHER EXAMPLE
NEXT MAKE THE
           FUNCTIONAL DEPLOYMENT MAP

•   The third stage of mapping is
    to create a more detailed "as-
    is" picture

•   The functional deployment
    map displays the steps of a
    process in sequential order.

•   The functional deployment
    process map also illustrates
    what function performs the
    process step.
The steps for creating a functional deployment map are:
•   Review the top-down chart with the team.

•    List each of the process steps in sequential order
    in the first column.

•    Use the horizontal axis across the top to show the
    location/ responsibility or department for each
    step performed.

•   Depict individuals (by job title/position), specific
    locations, or work functions.

•   Indicate the steps, activities, and decisions that
    make up the process under the associated
    functional column.


•   Identify the sequential order in which the steps are
    actually performed.

•   Use arrows to indicate the direction of the process
    flow

•   Review the final map and correct as necessary.
POSSIBLE PROCESS MAP
   OF SCM FACILITY
Annotating Process Maps

•   After the map is complete, additional information can be added
    depending on the project goals.

•   For instance, if the goal is to reduce cycle time,the time for each
    step may be added.

•   If the goal is to reduce defects, yield information may be added. T

•   This may help the team identify the areas on which to focus.


•   However, this type of information may not be readily available and,
    often, after the data are collected in the Measure phase, the maps
    are updated
Process Understanding
                    Process Map – should allow people unfamiliar with the process to understand
                    the interaction of causes during the work-flow. Should outline Value Added
                    (VA) steps and non-value add (NVA) steps.

                                                                                                                       F u ll F o r m
                                                 C ont ro l     O pen
                    S ta rt   S iz e S o r t s                                        P u ll & S o r t
  R e c e ip t /                                   D ocs
   E x t ra c t
                                                                                      C k / Vou ch
                                 V e r if y




                                                                P e r f e c t io n
R e qua l G ro up




                                                                           No

                                                                                     Yes         Prep cks,
    R e m it
                                                                    R u lr s                       route                    Prep cks    S h ip t o I P
                                 Pass 1          Pass 2
                                                                                                   vouch

                                                                                       V o u c h e rs



                               Key from
                                                 B a la n c e
  D ata Cap                     im a g e




                                                                                                                  No
                                                                                                   V ou ch
                                                                                                     OK

  I nventory                                                                               Yes
                                                                                                     Pre p
                                                                                                 F o ld e r s /                                          F u ll F o r m   S h ip t o
                                                                                                      B ox                                               Q C R e v ie w     Cust
Process Understanding

                         Create daily peak                                                                                                                                              Action
                          staff need plan                                                                                                                                                Plan
                                                                                                                                                                                            No

                                                                                                                                                                          Yes       Can they           Call employee
                           Add 30% to                                                                                                                         To Floor
                           the required                                                                                                                                             make it?                (3x)
                                no.                                                                                                                                                                                                     No                      Yes                                     No
Operations                                                                                                                                                                                                                                       Need OJT                                     Make
                                                                                                                                                                                                         Compare to                                                       OJT
                                                                                                                                                                                                                                                  Re-Tng                                       it?
                                                         Check off                                                                                                                                    original Billet rpt
                                                          desired
                             Manually        Review
                                                         returnee                                                                                                                                                                                                                                Yes
                           Update HR         Staff
                                                       staff & "need                                                                                                                             No                    Yes
                          Billet Request      Billet                                                                                                                                                      Need re
                                                        to retrain"                                                                                                                                                                               To Floor
                                                                                                                                                                                                           -train
                                                            list




                                                        Add 40% to     Call (3x)
                                                                                                                                                                                                                                                                 Stop!
                                                       staff needed
                                Create                                                                                                                                                                     Update
                                Staff                                       No                                                                                                                              IPS
                                                                                                                                                                                                                                                                          No
                                 Billet                                                                                                    Rev
                                                                                               Do they                                   original         Do they                                              No
                                                       Send Letters                 Yes                     Yes   Have we No                                             Yes   Have we No                            Yes Interview /                           Meet Fleet
                                                                       Do they                 want to                                   billet &         want to                         Call Wait                                           Rank as
                                                        to desired                                                 hired                                                        hired                       New                                                  hiring
                                                                       respond?               work this                                    call          work this                          List                             pre-hire         "1 2 3"
                                                           staff                                                  enough?                                                      enough?                                                                          criteria
                                                                                                peak?                                    uncheck           peak?
                                                                                                                                            ed
                                                       What if the
                     HR sends                                                                                                                                                                                                                Hire in 1-                 Yes
                                                        returnee is                                                   Yes                                                          Yes
                      req for                                                                       No                                                         No                                                                             2 order
             Start                                        already
                     staffing                                                                                                                                                                                                                (3's are
  HR /                                                 working here                                                                                                                                                                                                              show up       No
                        nos.                                                                                                                                                                                                                    not            Place into                              Call
 Recruit                                                on another                              Do they                                                    Do they                                                                                                               orienta
                                                                                    No                                                          No                                                                                            placed)             dept                                 3X
                                                         program?                               want to                                                    want to                                                                                                                 tion
                                                                                                                   Stop!                                                        Stop!
                                                         Currently                            stay on the                                                stay on the
                                                       send the ltr                               list                                                       list
                                                          anyways                                                           Wait List                                                                                                                                                   Yes

                                                                                                    Yes                                                        Yes

                                                                                                                               New &
                                                                                                                               Other          Take off    Set 14
                                                                                   Take off    Set 14
                                                                                                                               People            IPS       month
                                                                                      IPS       month
                                                                                                                               call in         system     flag (on
                                                                                    system     flag (on
                                                                                                                                                           IPS?)
                                                                                                IPS?)




                                                                                                                                                                                                                                             schedule          Yes              No            Gen Event Roster
                                                                                                                                                                                                                                               for                    Reach
                                                                                                                                                                                                                                                                                                 rpt in IPS
                                                                                                                                                                                                                                             training



                                                                                                                                                                                                                                               Show       No             Call        Notify
                                                                                                                                                                                                                                                up?                      1X           HR

                                                                                                                                                                                                                                                        Yes
 Training                                                                                                                                                                                                                                                                                       Gen rpt for
                                                                                                                                                                                                                                                                                                Ops Kronos
                                                                                                                                                                                                                                                                                                  Recruit
                                                                                                                                                                                                                                               Train


                                                                                                                                                                                                                                        No              Yes    Update
                                                                                                                                                                                                                                               Pass?
                                                                                                                                                                                                                                                                IPS
QUICK WINS
•   Criteria for Good Quick Wins
•   After the mapping activity is done, the team should then use the
    maps to assess if there are some obvious opportunities for Quick
    Wins.

•    Quick Wins should be changes that are easy, fast, and cheap to
    implement, andthat fall within the team's responsibility.

•   In addition, the team may want
•   to ensure that the changes are easy to reverse since these ideas
    may not be validated with data.
SECOND TOOL: CHECK SHEET OF DATA
               COLLECTION
•   How many times each value
    occurred                               Defect    25Aug   26Aug    Total
                                           item      2012    2012

•   Shows frequency of a particular        Mold      IIII    III
                                           cracked
    defect and how often it occurs in a
    specific location                      Fiberes   II      III

•   Enables Operator to spot the
                                           Cracks    I       IIII
    problem
                                           Pin       IIII    IIII I
•   Easily set the priorities              Holes
•
•   Part with highest number of
    defects carries highest priority for   Total     II      I

    correction
THIRD TOOL : PROCESS APPROACH AND
                       PROCESS MODEL


 • CONTROL                                 Must Know what people
   BOUNDARY                                 are presently doing,
                                            where are the
                                            contributions in relation to
          Transformations
            CONTROL
                                            customer internal and
        Using resources and                 external
INPUT
           Mgmt Activities       OUTPUT
                                   Y
                                           Relationship Map View
  X1
  X2                                       Make work Visible
X3…Xn
                                           Uncover non valued
                                            added
    To Identify potential breakdowns,
                                           Improved opportunities
  rework loops and source of variation     Also used as Anlytcla tool
                in process
FOURTH TOOL :CAUSE AND EFFECT
        DIAGRAM (FISH BONE)
Fish Bone Diagram - A tool used to solve quality problems by
brainstorming causes and logically organizing them by branches. Also
called the Cause & Effect diagram and Ishikawa diagram




        Provides tool for exploring cause / effect and 5 whys
Cause and Effect Matrix
•   The Cause and Effect Matrix gives weights to
    each y indicating the importance of that y.
•   Man Material Money Machine Method
    Environment

•   Then, each x is rated in terms of its correlation to
    each y. Calculations are made based        on the
    importance and Correlation, and higher scoring
    x's are the best candidates for data
    collection.

•   Rate the degree to which the x affects or is
    correlated to each y.

•   Use the following scale:
     – 0 - no effect or correlation
     – 1 - small effect or weak correlation
     – 3 - medium effect or medium correlation
     – 9 - strong effect or strong correlation.

•   This scale ensures that the x data that the team
    thinks has the strongest effect on the y will stand
    out.
•   Multiply each rating by the weight and sum across
    the row, putting the result in last column.

•   The x's with the highest totals are the ones
    that the team should try to collect.
ANOTHER
EXAMPLE OF
FIFTH TOOL :THE PARETO CHART

•   Another powerful teaming tool is the
    Pareto chart. The Pareto chart is        •   The Pareto chart is a bar chart.
    based on the Pareto principle.               The height of the bars indicates
                                                 the count, or frequency, of
•    Pareto was an economist in the early        occurrence. The bars represent
    1900's who discovered that 80% of all        one grouping of the data,
    the wealth was held by 20% of all the
    people.                                       such as defect type.

•   This became known as the 80/20 rule      •    The idea motivating this chart is
    and it was found to be applicable to         that 80% of the count will be due
    more than the economy.                       to 20% of the categories.
•   Eighty percent of the warehouse          •   The bars are arranged in
    space is taken up by 20% of the part
    numbers. Eighty percent of the defects       descending order, therefore the
    are caused by 20% of the defect types        dominant group can be
                                                 determined and it will be the first
                                                 bar on the left. This chart can be
                                                 used in a variety of places in a Six
PARETO CHART
                                                           •   We will draw a Pareto Chart
                                                   •   Arrange all data in descending order
                                                   •   Arrange data in percent with No of readings
•   Pareto Mean 80:20
                                                   •   Convert Data into Cumulative
•   After data has been collected we draw
    pareto to focus on the Vital few.
                                                                                         Cumlativ
                                                                  Descending   %         e
•   The remaining factors are called Trival Many
                                                       A          17           34        34
•   Reasons for Customer Dissatisfaction
     –
     –
           Wrong Items: 17
          Delivered Late: 4
                                                       B          12           24        58
     –     Transit Damage: 8
     –      Late Vehicle : 12                          C          8            16        74
     –    Late Installation: 3
     –     Absentee of Engineer: 1                     D          4            8         82
     –     Others: 3………………….IN LAST
     –     Failure of items: 2
                                                       E          3            6         88
     –   17 divided by 50 x 100 = 34 so on             F          2            4         92
                                                       G          1            2         94
                                                       H          3
IDENTFYING VITAL FEW IN
  PARETO CHART 80:20
 100
  90
  80
  70
  60
  50
  40
  30
  20
  10
   0

       A to D are
                     CTP
          Vital
ANOTHER EXAMPLE
Step 2: Measure – Pareto Tool
                                ANOTHER EXAMPLE
                            Customer Service Requests Between Week 31 and Week 38 that Were Delivered Late

                                                                                                                 99.2%
                250                                                                                  97.2%                      100
                       n = 251                                                       94.4%
                                                                       90.8%
                                                         86.1%                                                                  90


                200                         76.1%                                                                               80


                                                                                                                                70
                      162     64.5%


                150                                                                                                             60
# of Requests




                                                                                                                                      % of Total
                                                                                                                                50


                100                                                                                                             40


                                                                                                                                30


                50                                                                                                              20
                                      29
                                                    25
                                                                                                                                10
                                                                 12              9             7             5           2
                 0                                                                                                              0
                      DOCS            LLR           RS           NFL           O&E           START       QUESTION    RS, DOCS
                                                                  Request Type


• MS Excel and QC Tools software used to construct graphs
• Tool used to rank data by groups from the group that
  contains the most data points to the group that contains
  the fewest data points.
• Look for a “large bar” or “young mountain”
SIXTH TOOL                       No of Defective     Defect    Defect in Pune
HISTOGRAM                            Boilers        In Savli


                                 1
  •     Displays frequency of
                                                   96          90
        distribution of          3
        continuous /variable                       91          81
        data                     6
                                                   82          73
               CONSIDER          7
          A DATA OF DEFECTS                        77          66
              OCCURRED IN
                                 9
              PRODUCTION
      IN SAVLI AND PUNE PLANTS
                                                   68          61
        •Total 50 Nos PRODUCT    7
             in each location
                                                   62          58
                               6
   HOW WILL YOU DETERMINE                          55          56
WHICH PLANT IS MORE CONSISTENT
 WITH LESS RANGE IN DEFECTS    5
                                                   47          53
                                 4
                                                   38          51
                                 2
                                                   23          50
FIRST CALCULATE INTERVAL FROM DATA

-DETERMINE TOTAL NUMBER OF PRODUCTS AND THEN SQUARE ROOT IE 50= 7 ROUNDING OFF
-96 WHICH IS HIGHEST READING IS DIVIDED BY 7= 14
-SO NOW WE HAVE INTERVEAL OF 14 EACH.
-DETERMINE READINS AS PER INETRVAL OF BOTH PUNE AND SAVLI PLANTS


•   14 to 28> 2 of 23
                                       •   14 to 28> 0
•   28 to 42> 5 of 38
                                       •   28 to 42> 0
•   42 to 56> 5 of 47 and 6 of 55 =
    11                                 •   42 to 56> 2 of 50, 4 of 51, 5
                                           of 53, 6 of 56
•   56 to 72> 7 of 62 and 9 of 68
    =16                                •   = 17
•   72 to 84> 7 of 77 and 6 of
    82=13                              •   56 to 72> 7 of 58, 9 of 61, 7 of
•   84 to 98> 3 of 91 and 1 of 96          66 =23
    =4
                                       •   72 to 84> 6 of 73, 3 of 81 =9
                                       •   84 to 98> 1 of 90
PLOT NUMBER OF READINGS AS PER Y SCALE IN EACH INTERVAL OF 14
                          ON X SCALE
              WIDER THE BASE MORE THE VARIATION

               AIM IS TO BRING BASE CLOSER TO MEAN


          25                               savli             MEAN
                                           Pune
          20                               3-D Column   3
                                           3-D Column   4
          15
                                           3-D Column   5
                                           3-D Column   6
          10
                                           3-D Column   7
                                           3-D Column   8
           5
                                           3-D Column   9
           0                               3-D Column   10
                28 56 84                   3-D Column   11


NARROW BASE                               WIDER BASE
MEASURE OF CENTRAL TENDENCEY
•   AVERAGE MEAN: 64.18 & 61
•   MEDIAN: MIDPOINT OF DISTRIBUTION OF
    DATA : 68 & 61                                   • CONCLUSION
•   MODE: RANGE WITH MAX OBSERVATION :
    68 &61
•   RANGE: X max – X min = spread of         • A strong Central tendency
    distribution . 73 & 40. Range is measure of ( Mean , Median, Mode are
    Variation
                                            close to each other ) indicates
                                            less variation in process
•   Another measure of Variation is
    Standard Deviation also known as
    Sigma or s + Square root of ( X • If bars are more spread it
                                    –
    Xmean) ( X – X mean) / N          means range is higher or
•   Where X is X1 X2 X3…..            higher variation
•   N is population size

•   THIS DATA IS ALSO USED TO
    CALCLULATE Cp

•
Step 2: Measure – Histogram Tool
                                                    ANOTHER EXAMPLE OF HISTOGRAM
                          Customer Service Document Requests Between Week 31 and Week 38 that Were Delivered
                                                                Late

               120                                             _
                                                               x                                                         n = 162 (2 outilers of 79 and 64 hours not shown)
                        USL=0.5 hours
                                                                                                                         mean = 7.139
                                                                                                                         std dev = 8.538

               100               96




               80
# o R q e ts
   f eus




               60




               40




               20
                                                                                                       14                                                           14
                                             10
                                                                                                                    8           7
                                                                                                                                            4
                                                         1          1          1           1                                                            1                        2
                0
                -1.55     0.55        2.65        4.75       6.85       8.95       11.05       13.15        15.25       17.35       19.45       21.55       23.65        25.75       27.85   29.95
                                                                                    # of hours to deliver request



 MS Excel and QC Tools software used to construct graph
 Fits data into a frequency distribution
 Can show upper and lower specification limits and denote data that
falls outside those limits (the area on which the story should focus)
 Used for data breakdowns by hours, minutes, dollars, etc.
OK BEFORE WE GO TO NEXT PART
LETS US AGAIN REWIND WHAT WE HAVE LEARNED
Part four
• Value Stream Process
• Failure Mode and Effect Analysis



    • AIM IS TO ADD VALUE TO THE
     PROCESS IF IT IS LENGTHY AND
               TIRESOME
REMEMBER THE PROCESS MAP

      WHAT WE HAD MADE IN SIPOC AND FLOW CHART



NOW OUR NEXT AIM IS TO IMPROVE THE PROCESS CHART BY MAKING
     OUR SYSTEM A LEAN SIX SIGMA EFFICIENT AND QUICK
                      BUT BY REMOVING
         ALL NON VALUE ADDED STEPS AND PROCESS
            IN A BUREAUCRATIC DECISION MAKING
 THAT DO NOT ADD VALUE BUT ONLY DELAY THE GOAL ACHIEVING
FUNCTIONS      FILL IN PROCESS STEPS AND DEPART MENT PERSONS
                           IN SEQUENCE OF ACTIVITIES

   SUBMITTER   Fills
NOW IDENTIFY IN YOUR SYSTEM PROCESS
        WHAT ARE THE CUSTOMER VALUE-ADDED ACTIVITIES

•   Customer-value added has all the following
    characteristics:                                            •   A non-value added activity is one
                                                                    that does not fit into the other
                                                                    two categories.
•   The customer recognizes the value.
                                                                •   Examples of non-value added
•   It changes the product or service toward something              activities are: proofreading,
    the customer                                                    inspection and checking, logging
•   expects.                                                        information, checking
                                                                    calculations, reviewing and
•   It is done right the first time.                                approving, moving and set-up,
                                                                    monitoring work, and rework.
•   An operational-value added activity has all the
    following characteristics:                                  •   The team would focus on the
                                                                    non-value added activities to see
                                                                    if they could be eliminated or
•   It is required to sustain the workplace ability to              minimized.
    perform customer value-added activities.
                                                                •   An important clarification is that
•   It is required by contract or other laws and regulations.       a non-value added activity
                                                                    doesn't automatically make it an
•   It is required for health, safety, environmental, or            unnecessary activity
    personnel development reasons.

•   It is done right the first time.
Example Value-Added Analysis
IDENTFYING VALUE ADDITION
                                                ( TIME SPENT IN HOURS)
ACTIVITY                                      REQUIRED BY    NOT REQUIRED BY   NEITHER BENIFTS
                                              CUSTOMER       CUSTOMER          CUSTOMER OR
                                              RVA            BVA               BUSINESS
                                                                               NVA


Understanding customer requirement            15
Checking by customer
                                                             5
Error corrected
                                                                               7
Prepare Execution plan
                                                             10
Keep plan aside to attend another activity
                                                                               20
Refer plan for approval by senior
                                                             5
Implement Plan
                                              20
Arrange Invoice
                                                             8
Await Delivery clearance
                                                                               15
Ship to customer
                                              5
Customer Sign
                                                             5
IMPROVING THE PROCESS MAP
   RVA: Real value adding activity to be optimized
 BVA: Business value adding activity to be minimized
   NVA:Non value Adding Activity to be eliminated

                            •   Map will be Current Base line Map
    Step 1
Draw As is Map

                            •   Reflect NVA/ removed/
                                appraisal/prevention for like failure
                                modes
      Step 2
Draw Should be Map

                            •    Compare Maps and Identify actions
                                    to move to Should be Level
   Compare Map
                                • Take action to improve
  Improve Process                 processes to Should be
  Verify, Implement                       Level
       Validate
  Make control Plan
ANOTHER
     PROCESS IMPROVEMENT TOOL
                                   PFMEA
•   Capture defect in your shop that               • Information to have
    customer does not catch in his
    operations                                          before FMEA
•   Surfacing the problem early in             •   Customer requirements specifications
    production cycle will enable us to solve   •   Engineering drawings
    them wih minimum expenses and time         •   Warranty information and field failure
                                               •   Previous FMEA
•   Why perform a FMEA> To prevent             •   Process Flow Diagram
    design /process related problems           •   Process Capability data
    during product launch /subsequent
    operations                                 •   Prototype TEST data
                                               •   Defect failure information

•    How> By attempting to surface             •   How customer will use end product
    problem early before they have a           •   How customer may abuse the end
    chance to occur                                product
•   Benfit> save time and resources
FMEA WORK SHEET
 P What can go   Potenti     Se    Critic   signi   Pote     Occure   Desi    Detecti       Abuse by   Revis
 r wrong
 o PFM
                 al effect
                 in
                             ve
                             rit
                                   al       fican
                                            t
                                                    ntial
                                                    caus
                                                             nce      gn
                                                                      verif
                                                                              on        R   customer   ed
                                                                                                       RPN
 c
 e
                 failure
                 mode
                             y                      es of
                                                    failur
                                                                      icati
                                                                      on
                                                                                        P
 s
 s
                                                    e
                                                    mech                                N
                                                    nais
 s                                                  m
 t
 e
 p




       Flow chart the process               Classify any special characteristics
   Describe process and function        List potential causes for each failure mode
  List each potential failure mode           Estimate likelihood of occurrence
Describe effect of each type of failure      List prevention/detection control
       Rank severity of failure                        Rank detection
                                                        Identify RPN
IMPROVE
Recommended             Responsibility for   Action     Sev     o   Detection   Revised
Action to improve RPN   completing action    Actually   erity   c               RPN
                                             Taken              c
                                                                u
                                                                r
                                                                e
                                                                n
                                                                c
                                                                e




                         List recommended actions to lower RPN
                        List individual /depts for completing actions
                                   List actual actions taken
                         Re compute RPN after corrective actions
CONTROL PLAN
          Requirements   Control   Equipment    Checked By    Action plan
Process                  Imposed   used
                                                              if out of
step                                                          control
                                                              condition
                                                              occurs




           Repeat steps for all processes /sub processes/ parts

              Develop a control plan and a contingency plan
PART SIX



    HOW WE CAN TAKE A PROJECT
TO MAKE OUR ORGANIZATION A LEAN SIX
              SIGMA
Six Sigma Method
     DMAIC: To improve any existing product or process

  Define          Measure         Analyze         Improve         Control


Who are the                    What are the                     How can we
customers and                  most important                   maintain the
what are their                 causes of the                    improvements?
priorities?                    defects?

                 How is the process             How do we
                 performing and                 remove the
                 how is it                      causes of the
                 measured?                      defects?
                                                                          102
Six Sigma Tool Box
    Define            Measure           Analyze          Improve          Control

Benchmarking      Value Stream      Fishbone         Modeling         SPC Charts
                  Map               Diagrams
Process Flow      Cause & Effect    FMEA             Tolerance        Performance
Mapping                                              Control          Metrics
Flow charts       Defect Metrics    Root Cause       Defect Control   Multiple
                                    Analysis                          Regression
Project Charter   Statistical       ANOVA            Design           Train
as a Team         Analysis                           Changes
Set Up a Plan &   Data Collection   Cause & Effect   Piloting
Guidelines for    Run Charts,       Diagram
Team              Time Series
                  Chars, Time
                  Value Charts,
                  Pareto Charts
Review Existing   Sampling          Scatter Plots    Best Practices
Data
SIPOC
DEFINE PHASE
• Define Phase: The goal of define phase is to define the
  project scope by understanding background information
  about the process and its customers

• Tools used in define phase as voice of customer,
  project charter are used decide the scope of project
  and define boundaries of improvement effort.

• It also identifies key stakeholders, time lines,
  improvement priorities, and improvement targets at the
  beginning of project.
TOOLS AND METHOD IN DEFINE STAGE

DEFINE PHASE                               STEPS/TOOLS

VOC/ QFD/ KANO MODEL/ BENCHMARKING/ CTQ/
PROJECTCHARTER/ SIRPORC/DEFINE
RESPONSIBILTY AUTH


DEFINE CUSTOMER REQUIREMNTS                VOC
                                           CTQ DEFINATION

DEVELOP PROJECT CHARTER                    PROBLEM STATEMENT
                                           GOAL STATEMENT
                                           BUSINESS NEED ADDRESSED SCOPE
                                           CONSTRAINTS
                                           RESOURCES
                                           ASSUMPTIONS GUDILINES
                                           TEAM COMPOSITION
                                           PRELIN PROJECT MILESTONES
DEVELOP HIGH LEVEL PROCESS MAP             SIPOC/SIRPOC



ACTION PLAN FOR PROCESS STANDARDIZATION    INTERIM CONTAINMENT ACTION
FINAL DEFINE STAGE RESULTS



• What are Customer driven CTQ and Process driven
  CTQ

• Sources of Existing Customer data

• Assessing Customer requirements and expectations

• Recall Vital few customer CTQ

• Analyze VOC and its impact on CTQ

• Translate Customer needs into CTQ
Measure Overview
What is the Measure phase?
The Measure phase defines the defects, establishes improvement
goals, determines that the system of measuring defects is
repeatable and reproducible and gathers data about the process.
Why is the Measure phase important?
The Measure phase ensures that you specifically define the
defects you are going to measure and that your measurement
system is accurate before you begin to actually measure the
process.



                                                              107
Measure
• The primary purpose of    • Deliverables from the
  the measurement phase       Measure phase include:
  is to answer the
  questions,                •   Collected data
• "How are we doing?" and   •   Selection of what
  "How far do we have to        measures to use
  go?“

• The team needs to         •    Baseline of the "current
  establish a baseline of       state“
  the current performance
  level.                    •   Data collection plan
• Develop operational definitions for each CTQ
  characteristic
• Figure out how to measure internal processes affecting
  each CTQ, KPOV (Key process output variables), KPIV
  (Input Vars)
   – Y = F(x)
• Figure out what data we need to collect
   –   Easy to collect correctly
   –   Interrupt process as little as possible
   –   Collectors understand why collecting
   –   “gage study” to determine the validity (repeatability and
       reproducibility) of the measurement procedure for each CTQ
• Baseline data
   – Collect baseline capabilities for each CTQ
   – Determine the process capability for each CTQ
TOOLS IN MEASURE STAGE

Define Defect,                     Based on CTQ and process knowledge ,
Opportunity, Unit, metric          Benchmarking

Identify CTPs                      Using Pareto, Correlation Analysis CT Matrix


Develop Data Collection Plan       Questionnaires, sampling plans


Validate measurements system       MSA/Gage R&R


Collect data and tabulate data     Check sheet and Data sheet

Calculate Process capability and   Cp Cpk DPMO /Sigma Level
Sigma base line                    calculations
WHAT CAN BE MEASURED
•   Input Indicators - Measures that      •   Output Indicators - Focus on the
    evaluate the degree to which the          end result. Measures that evaluate
    inputs to a process (provided by          dimensions of the output - may
    suppliers) are consistent with what       focus on the performance of the
    the process needs to efficiently          business as well as that
    and effectively convert inputs into       associated with the delivery of
    customer satisfying outputs.              products and services to
                                              customers.
•   Examples of input indicators
     –   . # of customer inquires         •   . Retention rates
     –   . Type of customer inquires      •   . Total # done, sold, made, etc.
     –   . # of orders                    •   . On-time
     –   . # of positions open            •   . Complete
     –   . Accuracy of the analysis
     –   . Timeliness
WHAT ALL CAN BE MEASURED
      AS GOOD AND DEFECTS
•   Process Indicators - Focus turning opportunities into desired
    results. Measures that evaluate the efficiency, effectiveness and
    quality of the transformation processes (i.e., the steps and activities
    used to convert inputs into customer satisfying outputs.)

•   Examples of process metrics include:
     –   . Availability
     –   . Time to do something, timeliness
     –   . # of non-standard request
     –   . Yield (first time through)
     –   . # of exceptions (e.g., non standard approvals)
     –   . Quality level (could also be an output metric)
TIME METRICS
     •   Lean process improvement teams often look at time metrics.

•   Takt time - the unit-to-unit pace of production required to meet
    customer demand. This is the ideal pace for doing work. At this rate
    production and demand are in balance.

•   Cycle time - the actual elapsed process time from the completion
    of one output unit to completion of the next unit. Cycle time for a
    process is the length of time for the longest step within the
    process.So if a four step process has three steps of two minutes
    each, and one step of five minutes. The cycle time is five minutes.

•   Lead Time - the length of time from the beginning point of a process
    to the completion of a finished output (calculation varies depending
    on scope; it includes: queue, wait and move times).

•   Time metrics can also include frequency, degree of impact,
    response time,
RESULTS OF MEASURE STAGE
•   Do the metrics link to the team's improvement goals?

•   Do the metrics have a balance of viewpoints (customer, supplier,
    process, productivity, quality, etc.)?

•   Was a plan developed for collecting the information?

•   Was a baseline established?

•   Does the data collected look like it will provide the necessary information for analysis
    and decision making purposes?

•   Are all significant process steps captured?

•   Was the data validated for reasonableness by anyone outside of the team?

•   Which metrics may be useful in sustaining improvement after implementation of the
    changes?
Category    Goal               Metric                  Base

Accuracy               % of revisions through database
               100%    requests and                      50%
                        production
                       orders
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi
Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi

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Six Sigma Session For Production And Project Team By Lt Col Vikram Bakshi

  • 1. SIX SIGMA SESSION FOR PRODUCTION AND PROJECT TEAM ( COVERING BROADLY YELLOW & GREEN BELT TOPICS ) BY LT COL ( RETD) VIKRAM BAKSHI (BLACK BELT)
  • 2. Topics • Introduction – Quality tools and Six Sigma Mistaking Proofing • Process Chart / CTQ /CTP/ DEFECT determination/DPMO/Sigma Calculations • Six Sigma Methodologies & Tools – How to make a Flow Chart – Check Sheet of data collection – Cause and effect Diagram (Fish Bone) – Pareto Chart – Histogram – Scatter Diagram – Control Chart • Value Stream Process • Failure Mode and Effect Analysis • How YOU can use Six Sigma: DMAIC Process
  • 4. What do you mean by “Quality Control” • Fitness for Use • Grade/Quality • The component are said Characteristics to be in good quality if • Appearance they work well in the /performance life / equipment for which they reliability/taste/ are meant to be odor/maintainability/time • VOC  Give so much to customer as he values • Who is the customer> VOC> Quality characteristics> CTQs
  • 5. What are the KPI of any Organization • But Customer is Not • Functional Targets Interested – Profitability • Quality> Product and – Sales Turn over Support Quality – Market Share • Cost – Share Prices • Delivery Schedule
  • 6. Traditional Management • Time, cost, quality-- • Focus is on achieving choose any two Functional goal of • QA function to Sales/ Design/ Purchase/ independently check up HR/ Production/ Logistics/ on and "control" Accounts/ Administration production • Remove and rework • VALUE IS TO THE defective product through ORGANIZATION inspection P/F • Cost of quality, optimal inspection and rejection
  • 7. SIX SIGMA • FOCUS IS ON QCD • - It is a management • VALUE IS TO CUSTOMER methodology that helps • ENSURES LONG RUN organization to improve profitability GOOD WILL AND LOYALTY OF CUSTOMER • Disciplined Data Collection and statistical analysis to • ULTIMATE GOAL achieve IS ROCE – Reduce defects RETURN ON CAPITAL – Eliminate Wasteful practices INVESTMENTS – Delight internal and external customer by fulfilling present and future needs • TOTAL SAVING FOR ANY BLACK BELT PROJECT IS 20 LAKHS PER ANNUM
  • 8. CTP: What are the actions required to achieve the CTQ • What does my customer need from • What is the measurement information to be captured? What is the metric? our process • How is the information going to be collected? Does a form need to • How is our process performance be developed? from the customer perspective • Can it come from an existing source? • How does my customer measure my • When will it be collected? How process granular does the team need to be? • How does my customer view my • Is continuous information needed? process • Will a week-end or month-end number suffice (a point in time number versus continuous)? • What can we do better • How would my customer like for our process to perform
  • 9. Difference between QA and TQM/6 Sigma. PHASE QA TQM/SIX SIGMA TQM 6 SIGMA SCOPE Prodn All Processes Quality circle is All processes middle mgmt and tech personnel Area of On Line Before the Action Beginning Change triggered Internal and External by internal System Appraisal Prevention customer Function Inspection Plan Do Audit Tech Tech processes Analysis Check processes + Business issues like cost /cycle times/ attrition Status Manager GM rates/meeting delivery schedules ISO9000 SIX SIGMA No Bottom line Profitability is main What to do goal How to do No time Line Well defined Time lines QA is base TQM/TPS is the base Continual Break through Improvement Improvement Documentation first Improvement first Implementation later Documentation later Leads to Certification Lead to Profit improvements
  • 10. Lean Tools and Approaches Six Sigma and Lean concepts and methods are often combined into Lean Six Sigma. • Both are driven by customer requirements. • Both try to eliminate waste, reduce costs, speed things up, and improve quality. • Both focus on real dollar savings. • Both rely on a systematic methodology.
  • 11. DMAIC Toolkit for Lean Six Sigma
  • 12. PROCESS TOOLS Define Measure Analyze Improve Control Define the purpose Understand the Identify and confirm Pilot solutions, Maintain the And scope. Collect Current process Root Causes w/Data evaluate resulting data Gain, standardize Background info. •Data Collection/ •Hypothesis tests •Pugh Matrix •Standardization •Charter Sampling Plan •C&E Diagrams •FMEA •Training •SIPOC •Run Time/Control •Run/Control Charts •New Paretos •Control Plans •VOC Charts •Histograms •New Process Sigma •Run/Control Charts 6σ •Affinity Diagram •Frequency Plots •Stratified Frequency •Ideal Flowcharts •Process Audits •CTQ Defined •Scatter Plots Plots •Pilot Studies •Communication •Oper. Definitions •Test for Normality •Regression •Commitment Scale Plans •Pareto •Transformations •DOE •Tree Diagrams •Ownership •Communication •Process Sigma •Validated Root •Gantt Charts transition Plan •Flowcharts Cause List •Planning Grids •Multiply •Gantt Chart •Histograms •Affinity Diagram Solutions •Value Stream Mapping •Autonomation •Operational Analysis • Management •Takt Time •JIT •Six Big Losses Deployment System •Eight Wastes •Visual Stds./Controls •OEE •Vendor Scorecards Lean •Visual Factory •Kanban •SMED •Real-time Dashboards •Error-Proofing •Standardization •TPM •Simple Graphical •Workload Balancing •5S •One-Piece Flow Analysis •Change Control •Future State •Kaizen •Go to Gemba ALL TOPICS OF LEAN AND SIX SIGMA CAN BE COVERED IN FUTURE SESSIONS FOR IMPLEMENTATIONS 12
  • 13. • How Do we achieve CORRECTION Corrective Preventive Prevention Action Action • RCO > Reduced chance of Rectifying the First find root Extend learning Occurrence mistake that has occurred cause Build POKA ( Fish bone) YOKE • ( Pen Drive) Damage Build POKA Think control YOKA to proactiely to prevent build occurrence of prevention in • ICD> Increase chance of root cause processes detection before things go wrong • (Car seat belt alarm) • (Railway signal) • (CCTV) Six sigma is all about building Prevention Processes If processes does not allow mistake No need to inspect mistake
  • 14. The Six Sigma Evolutionary Timeline 1818: Gauss uses the normal curve 1924: Walter A. Shewhart introduces to explore the mathematics of error the control chart and the distinction of analysis for measurement, probability special vs. common cause variation as analysis, and hypothesis testing. contributors to process problems. 1736: French 1896: Italian sociologist Vilfredo mathematician Alfredo Pareto introduces the 80/20 Abraham de rule and the Pareto distribution in Moivre publishes Cours d’Economie Politique. an article introducing the normal curve. 1949: U. S. DOD issues Military Procedure MIL-P-1629, Procedures 1960: Kaoru Ishikawa for Performing a Failure Mode Effects introduces his now famous and Criticality Analysis. cause-and-effect diagram. 1941: Alex Osborn, head of 1970s: Dr. Noriaki Kano BBDO Advertising, fathers a introduces his two-dimensional widely-adopted set of rules for quality model and the three “brainstorming”. types of quality. 1986: Bill Smith, a senior engineer and scientist introduces 1995: Jack Welch the concept of Six Sigma at launches Six Sigma at GE. Motorola 1994: Larry Bossidy launches Six Sigma at Allied Signal.
  • 16. Six Sigma and Financial Services
  • 17. How do Others Perform? IRS Tax Advice (phone in) 1,000,000 1% of Hospitalized Patients Injured by Defects per Million Negligence 100,000 Doctor Prescription Writing 10,000 Airline Baggage Handling Average 1,000 Company Deaths caused by anesthesia during surgery 100 Domestic Airline Best-in-Class Fatality Rate 1 2 3 4 5 6 7 Sigma Scale of Measure 17
  • 18. Understanding Six Sigma Sigma DPMO STATISTICALLY STATISTICALLY 2 308,537 Six Sigma refers to aa Most US Six Sigma refers to 3 66,807 process that produces Businesses process that produces 4 6,210 only 3.4 defects per only 3.4 defects per million opportunities. million opportunities. 5 233 6 3.4 Goal Business An overall strategy that encompasses your Strategy organization’s quality philosophy. It sets the vision for achieving Six Sigma levels in key processes. Tools And A set of statistical tools and a disciplined Tactics methodology used by specially trained individuals to improve processes by reducing variation and defects. 18
  • 19. BASICS OF SIX SIGMA FOR BEGINNERS
  • 20. QUALITY GOAL OF SIX SIGMA As defined by Motorloa Less than 3.4 defects per million opportunities for error ie .00034 % ie and accuracy of 99.99966% • Define Your Product Unit • VOC >CTQ to satisfy the – A unit is something that is customer satisfaction or quantified by customer requirements – Measurable and observable output of your business process • Define your Product /Service • Define your product Opportunities defects of Error – Does not meet Customer ( – Total Number of Chances per unit Internal and external) to have a defect . specification or requirements – Each opportunity must be – Causes customer independent o other opportunities dissatisfaction – Does not fulfil functional or physical requirements
  • 21. Customer Needs vs. Customer CTQ’s • Customer needs are the data collected from customers that gives information • CTQ about what they need or want from your process. Customer needs are – Stated Needs: often high level, vague, and non- Specified by customer specific Policies/tender/LOI “I need a quick response!” – Unstated Needs: “I need accurate information!” Are not specified (labor need legal • CTQ’s are customer needs requirements) translated into critical process requirements that are specific and measurable. • Expectations: Delighters of the • A fully developed CTQ has three elements: Y metric, target, customer specification/tolerance limits 21
  • 22. Getting to the CTQ’s Translating a customer need into a fully developed CTQ Time from inquiry to Example: resolution (Y metric) Quick Response CTQ 5 minutes or less (Target) Not greater than 60 minutes (specification / tolerance limit) 22
  • 23. Define – Customer Requirements What are the CTQs? What motivates the customer? Voice of the Customer Key Customer Issue Critical to Quality SECONDARY RESEARCH Listening Posts Industry Intel Market Data Industry Benchmarking Customer Correspondence Customer Service PRIMARY RESEARCH Surveys Surveys OTM Obser- Focus Groups vations
  • 24. Examples • Area: Call Center • Area: Book Publisher • Customer Complaint: I wait • Customer Complaint: I cant stand consistently too long to speak to to an any typing error in books I executive purchase • CTQ Name: Executive Responsiveness • : Typograpghic Quality • CTQ Measure: Time on Hold seconds) • CTQ name CTQ measure: • CTQ Specification: Less than 60 Number of typography mistakes seconds from call connection to • CTQ Specification: Zero automated response system typographic mistakes • Defect : Call with holds time equal and greater than 60 seconds • Unit : Call • Defect: Any typogrpahic mistake • Opportunity : 1 per call • Unit : Word • Sigma ? • Opportunity: No of letter per word
  • 25. DPU AND DPMO • Take the data collected based on the data • Calculate the Defects Per Million collection plan, using an appropriate sample Opportunities using the following size. formula: • Calculate the number of defects in the sample based on the Operational Definitions. • DPMO = Defects x 1 Million divided by No of Units • Define what an opportunity is. Be cautious processed at that review point x in defining too many opportunities; this will Opportunities for error in that unit artificially inflate the Sigma Level • Suppose that a project is focused on a DPMO= 60 x1000000 divided by 250 x billing process. The team wants to 1 have correct bills sent to the customer. They have defined one opportunity for this process - either the bill is correct or not. All =240 000 of the bills produced are the same in terms of complexity. The team took a sample of 250 bills and found 60 defects • Using a conversion table, the team found the Sigma Level to be about 2.2. They used this information to baseline the current process performance.
  • 26. Use the table to convert DPMO into the Sigma Level
  • 27. Another example • A purchase order has 20 • DPMO= DPU X 1000000 Opportunities for error. DIVIDED BY The person who enters OPPORTUNITIES FOR the order makes one ERROR IN THAT UNIT defect on an average. What is Sigma level for • = 1X 1000000 this process DIVIDED BY 20 • DPU= No of defects divided by No of units = = 50,000 1 divided by1=1 SIGMA LEVEL= 3.1
  • 28. CALCULATION SIGMA LEVEL FOR THE ENTIRE ORGANIZATION Sub No of No of Opportuni DPU DPMO SIGMA process units defects ty for LEVEL error Sales Order 20 5 w/o PO Fin GRN Bills 10 25 MISTAKE S HR 23 8 DELAYED Productio 100 25 n MISTAKE S TOTAL OPP DPU
  • 29. SPC • Capability Indices • Cp = USL – LSL divided by 6s • Process capability is the ability of the process to meet the • Cp is the potential capability requirements set for that process. indicating how well a process could be if it were centered on • One way to determine process target. This is not necessarily its capability is to calculate actual performance because it • capability indices. does not consider the location of the process, only the spread. • Capability indices are used for • It doesn't take into account the continuous data and are closeness of the estimated • unit less statistics or metrics. process mean to the specification limits. • There are many capability indices but the two most commonly used are Cp and Cpk (or Pp and Ppk).
  • 30. DPU AND DPMO • Take the data collected based on the • Calculate the Defects Per Million data collection plan, using an Opportunities using the following appropriate sample size. formula: • Calculate the number of defects in the sample based on the Operational • DPMO = Defects x 1 Million Definitions. divided by Units x Opportunities • Define what an opportunity is. Be cautious in defining too many DPMO= 60 x1000000 divided by 250 x opportunities; this will artificially inflate 1 the Sigma Level =240 000 • Suppose that a project is focused on a billing process. The team wants to • Using a conversion table, the team have correct bills sent to the customer. found the Sigma Level to be about 2.2. They have defined one opportunity for They used this information to baseline this process - either the bill is correct the current process performance. or not. All of the bills produced are the same in terms of complexity. The team took a sample of 250 bills and found 60 defects
  • 31. PROCESS CAPABILITY • A control chart statistically determine upper and • How do we calculate lower limits either side of a process average . IN CONTROL X bar Mean and • Process width = UCL - LCL UCL= X bar + 3 sigma sigma also called as standard LCL= Xbar – 3 Sigma deviation :WILL COVER LATER PW= 6 SIGMA IN PPT IN HISTOGRAM PORTION Specification Width is given by customer UCL AND LCL must remain within USL and LSL = USL - LSL Cp= SW divided by PW = SW divided by 6 sigma PROCESS IS SAID TO BE CAPABLE ONLY IF Cp > 1 Cpk and Control Charts Not being covered WILL COVER IN DETAIL IN NEXT SESSION INCLUDING Cpk
  • 33. 99% Accuracy Practical Meaning of “99% Good” • 20,000 lost articles of mail per hour • Unsafe drinking water almost 15 minutes each day • 5,000 incorrect surgical operations per week • 2 short or long landings at most major airports each day • 200,000 wrong drug prescriptions each year • No electricity for almost 7 hours each month 99% Is NOT Good Enough Anymore
  • 34. 6  – The Measurement 99.0% = 3.85  99.9996% = 6  Is there really a big difference between 99.0% & 99.9996%?
  • 35. What’s in a name? • Sigma is the Greek letter representing the standard deviation of a population of data. • Sigma is a measure of variation (the data spread) σ µ
  • 36. Facts • All work is a process • All processes have variation and waste • Variation causes defects waste causes loss • Processes can be improved by understanding the nature of the variation and waste
  • 37. What does variation mean? 20 • Variation means that a 15 process does not produce 10 the same result (the “Y”) 5 every time. 0 -5 • Some variation will exist in -10 all processes. • Variation directly affects customer experiences. Customers do not feel averages!
  • 38. Measuring Process Performance The pizza delivery example. . . • Customers want their pizza delivered fast! • Guarantee = “30 minutes or less” • What if we measured performance and found an average delivery time of 23.5 minutes? – On-time performance is great, right? – Our customers must be happy with us, right?
  • 39. How often are we delivering on time? Answer: Look at the variation! 30 min. or less s 0 10 20 x 30 40 50 • Managing by the average doesn’t tell the whole story. The average and the variation together show what’s happening.
  • 40. Reduce Variation to Improve Performance How many standard or less 30 min. deviations can you “fit” within s customer expectations? 0 10 20 x 30 40 50 • Sigma level measures how often we meet (or fail to meet) the requirement(s) of our customer(s).
  • 41. Another Example Roller Bearing Manufacturing Diameter is a CTQ (Critical To Quality Parameter) Nominal diameter = 2.5mm Minimum Spec = 2.25mm Maximum Spec = 2.75mm 41
  • 42. Example (Cont.) Lower Upper Specification Specification Limit Limit Nominal Diameter Customer is expecting 2.5 mm 2.5 mm But will allow No Less Than No More Than some variation within the Spec 2.25 mm 2.75 mm range. 42
  • 43. Example (Cont.) Manufactured Roller Bearing Diameter Actual Micrometer Measurements 43
  • 44. Example (Cont.) Manufactured Roller Bearing Diameter Variation ending up as a defect 44
  • 45. Example (Cont.) Let’s Look at Some Basic Statistics Mean diameter = 2.50 mm Standard Deviation = 0.125 mm On Average it’s OK It’s a Variation issue 45
  • 46. Example (Cont.) Reducing Variation is Clearly the Key to Improving Process Capability 2 46
  • 47. Example (Cont.) Reducing Variation is Clearly the Key to Improving Process Capability 3 47
  • 48. Example (Cont.) Reducing Variation is Clearly the Key to Improving Process Capability 4 48
  • 49. Example (Cont.) Reducing Variation is Clearly the Key to Improving Process Capability 5 49
  • 50. Example (Cont.) Reducing Variation is Clearly the Key to Improving Process Capability 6 50
  • 51. I think now we know what we mean by SIX SIGMA LETS AGAIN REWIND Process Defect • The Objective of 6 Sigma is to achieve capability DPMO level of 3.4 defects or errors out of Count in (Sigma every million defect opportunities. % Level) • This translates into 99.9997% 690000 perfection 1 69 308000 30.8 2 (2 Times) • While everybody talks about customer satisfaction and world class quality, here we are transferring Quality into 66800 6.68 3 (5 Times) Quantifiable language 0.62 Six Sigma Approach focuses on: 6210 4 (10 Times) Customer needs Data-driven improvements 230 0.023 The inputs of the process 5 (30 Times) And this results in: 0.00034 Reducing or eliminating 3.4 6 (80 defects Reducing process variation Times) Increasing process capability
  • 52. Managing Up the Sigma Scale Sigma % Good % Bad DPMO 1 30.9% 69.1% 691,462 2 69.1% 30.9% 308,538 3 93.3% 6.7% 66,807 4 99.38% 0.62% 6,210 5 99.977% 0.023% 233 6 99.9997% 0.00034% 3.4
  • 53. Table Comparison of 99.9% Vs 99.9997% Activity/Operation Error Nos with 99.9 % Quality Error Nos with 99.9997 %Quality Delivery of 300,000 300 mis deliveries 1 Mis delivery Letters 60 500 Crashes <2 CRASHES Clearance of 200,000 200 wrong clearance < 1 wrong cheques in a week clearance Handling of 60,000 60 bags lost in a day < 2 BAGS LOST IN nos bagagages by A WEEK airline in a day
  • 54. Six Sigma is. . . • A performance goal, representing 3.4 defects for every million opportunities • Who is the Customer to make one. • A series of tools and methods used to improve or design products, • What are the Quality processes, and/or services. Characteristics • A statistical measure indicating the required by him number of standard deviations within customer expectations. • A disciplined, fact-based approach to • CTQ managing a business and its processes. • Actions required to • A means to promote greater awareness of customer needs, achieve the CTQs performance measurement, and business improvement.
  • 55. Examples of the Sigma Scale In a world at 3 sigma. . . In a world at 6 sigma. . . • There are 964 U.S. flight • 1 U.S. flight is cancelled every cancellations per day. 3 weeks. • The police make 7 false • There are fewer than 4 false arrests every 4 minutes. arrests per month. • In MA, 5,390 newborns are • 1 newborn is dropped every 4 dropped each year. years in MA. • In one hour, 47,283 • It would take more than international long distance 2 years to see the same calls are accidentally number of dropped disconnected. international calls.
  • 56. PART THREE ANYBODY FOR A SMOKE BREAK OR CONTINUE! • Six Sigma Methodologies & Tools – How to make a Flow Chart – Check Sheet of data collection – Cause and effect Diagram (Fish Bone) – Pareto Chart – Histogram – Scatter Diagram – Control Chart
  • 57. Process Maps • Another important set of deliverables of the Define phase are process • maps. • The maps should be based on the actual state of the process, or "asis“ maps. • They should not show the desired state at this point in the project.
  • 58. High Level Process Maps Develop high level process maps to include next-level subprocess overviews, identify process linkages and gaps to ensure that the teams are aligned. Deliverables: a. Sub Team Processes Mapped to Critical Steps b. Team Leaders Met and Reviewed & Aligned Maps
  • 59. SIPOC. • Establish a name for the process. • The first stage would be to create a SIPOC. SIPOC stands for • Define the starting point and the ending point Suppliers, Inputs, Process, of the process to be improved. These should Outputs and Customers. already be listed in the scope section of the team Charter. • The SIPOC is a very top-level • List the key outputs of the process. Usually, view of the process to be this list includes up to three or four main improved. outputs even though the process may produce more. • By starting the mapping process • Define who receives those outputs, i.e. the at this level, it allows the team to customers. These customers may be internal (part of the business) or external. quickly develop a common understanding of the process to • State the top-level process steps of the improve and the key customers process. Keep the list to four to eight main and suppliers steps. These steps do not contain any decision points or feedback loops. • List the inputs to process. Stick with one to four main inputs. • Define who supplies the inputs to the process.
  • 60. SIRPORC REQUIREMENT CUSTOMER SOURCE REQUIREMENT SUPPLIER INPUTS OF PROCESS OUTPUT CUTOMER OF THE SUPPLIER PROCESS AREA OF PROCESS WHERE WE EXPECT TO FOCUS OUR INITIAL MEASUREMENTS SUBPROCESS
  • 61. Process Understanding SIPOC – Suppliers, Inputs, Process, Outputs, Customers You obtain inputs from suppliers, add value through your process, and provide an output that meets or exceeds your customer's requirements.
  • 63. FLOW CHART • What people are presently doing/ START/ internal and external interconnections FINISH • Relation ship Map how various function and individual interface with each other ACTIVITY/OPERATION • Maps and Flow Chart to make work visible DECISION STAGE • Identify alternative way • Improvement opportunities LINK TO NEXT ACTIVITY • Analysis tool A DOCUMENT OR DIAGRAM
  • 64. TOP DOWN MAP • The steps for creating a top-down chart • However, the SIPOC is probably not are: detailed enough to find opportunities for making the process better.  Agree on the start point and end point for the process map. • More detailed mapping is required The next stage of mapping may be a  These are already listed in the top-down chart. SIPOC. • The top-down chart takes the • Identify four to eight major steps that information from the SIPOC and adds describe the process from beginning to a second level of information. end. • For each step listed in the SIPOC, the  List those steps horizontally across team defines the associated sub- a flipchart page. steps.  These are also taken from the • There are still no feedback loops or SIPOC. decision points • Break each major step into three to seven sub-steps. List the substeps under the corresponding major step. •
  • 65. TOP DOWN SUB PROCESS AFTER WE MAKE SIPOC CHART Review the map and make corrections as necessary. Rearrange steps, combine sub-steps, or  Revise the descriptions of the major steps or sub-steps so Accurately describe the process.  Agree on a presentation format for the process map. FROM SIPOC PHASE MAKE YOUR FLOW CHART
  • 67. NEXT MAKE THE FUNCTIONAL DEPLOYMENT MAP • The third stage of mapping is to create a more detailed "as- is" picture • The functional deployment map displays the steps of a process in sequential order. • The functional deployment process map also illustrates what function performs the process step.
  • 68. The steps for creating a functional deployment map are: • Review the top-down chart with the team. • List each of the process steps in sequential order in the first column. • Use the horizontal axis across the top to show the location/ responsibility or department for each step performed. • Depict individuals (by job title/position), specific locations, or work functions. • Indicate the steps, activities, and decisions that make up the process under the associated functional column. • Identify the sequential order in which the steps are actually performed. • Use arrows to indicate the direction of the process flow • Review the final map and correct as necessary.
  • 69. POSSIBLE PROCESS MAP OF SCM FACILITY
  • 70. Annotating Process Maps • After the map is complete, additional information can be added depending on the project goals. • For instance, if the goal is to reduce cycle time,the time for each step may be added. • If the goal is to reduce defects, yield information may be added. T • This may help the team identify the areas on which to focus. • However, this type of information may not be readily available and, often, after the data are collected in the Measure phase, the maps are updated
  • 71. Process Understanding Process Map – should allow people unfamiliar with the process to understand the interaction of causes during the work-flow. Should outline Value Added (VA) steps and non-value add (NVA) steps. F u ll F o r m C ont ro l O pen S ta rt S iz e S o r t s P u ll & S o r t R e c e ip t / D ocs E x t ra c t C k / Vou ch V e r if y P e r f e c t io n R e qua l G ro up No Yes Prep cks, R e m it R u lr s route Prep cks S h ip t o I P Pass 1 Pass 2 vouch V o u c h e rs Key from B a la n c e D ata Cap im a g e No V ou ch OK I nventory Yes Pre p F o ld e r s / F u ll F o r m S h ip t o B ox Q C R e v ie w Cust
  • 72. Process Understanding Create daily peak Action staff need plan Plan No Yes Can they Call employee Add 30% to To Floor the required make it? (3x) no. No Yes No Operations Need OJT Make Compare to OJT Re-Tng it? Check off original Billet rpt desired Manually Review returnee Yes Update HR Staff staff & "need No Yes Billet Request Billet Need re to retrain" To Floor -train list Add 40% to Call (3x) Stop! staff needed Create Update Staff No IPS No Billet Rev Do they original Do they No Send Letters Yes Yes Have we No Yes Have we No Yes Interview / Meet Fleet Do they want to billet & want to Call Wait Rank as to desired hired hired New hiring respond? work this call work this List pre-hire "1 2 3" staff enough? enough? criteria peak? uncheck peak? ed What if the HR sends Hire in 1- Yes returnee is Yes Yes req for No No 2 order Start already staffing (3's are HR / working here show up No nos. not Place into Call Recruit on another Do they Do they orienta No No placed) dept 3X program? want to want to tion Stop! Stop! Currently stay on the stay on the send the ltr list list anyways Wait List Yes Yes Yes New & Other Take off Set 14 Take off Set 14 People IPS month IPS month call in system flag (on system flag (on IPS?) IPS?) schedule Yes No Gen Event Roster for Reach rpt in IPS training Show No Call Notify up? 1X HR Yes Training Gen rpt for Ops Kronos Recruit Train No Yes Update Pass? IPS
  • 73. QUICK WINS • Criteria for Good Quick Wins • After the mapping activity is done, the team should then use the maps to assess if there are some obvious opportunities for Quick Wins. • Quick Wins should be changes that are easy, fast, and cheap to implement, andthat fall within the team's responsibility. • In addition, the team may want • to ensure that the changes are easy to reverse since these ideas may not be validated with data.
  • 74. SECOND TOOL: CHECK SHEET OF DATA COLLECTION • How many times each value occurred Defect 25Aug 26Aug Total item 2012 2012 • Shows frequency of a particular Mold IIII III cracked defect and how often it occurs in a specific location Fiberes II III • Enables Operator to spot the Cracks I IIII problem Pin IIII IIII I • Easily set the priorities Holes • • Part with highest number of defects carries highest priority for Total II I correction
  • 75. THIRD TOOL : PROCESS APPROACH AND PROCESS MODEL • CONTROL  Must Know what people BOUNDARY are presently doing, where are the contributions in relation to Transformations CONTROL customer internal and Using resources and external INPUT Mgmt Activities OUTPUT Y  Relationship Map View X1 X2  Make work Visible X3…Xn  Uncover non valued added To Identify potential breakdowns,  Improved opportunities rework loops and source of variation  Also used as Anlytcla tool in process
  • 76. FOURTH TOOL :CAUSE AND EFFECT DIAGRAM (FISH BONE) Fish Bone Diagram - A tool used to solve quality problems by brainstorming causes and logically organizing them by branches. Also called the Cause & Effect diagram and Ishikawa diagram Provides tool for exploring cause / effect and 5 whys
  • 77. Cause and Effect Matrix • The Cause and Effect Matrix gives weights to each y indicating the importance of that y. • Man Material Money Machine Method Environment • Then, each x is rated in terms of its correlation to each y. Calculations are made based on the importance and Correlation, and higher scoring x's are the best candidates for data collection. • Rate the degree to which the x affects or is correlated to each y. • Use the following scale: – 0 - no effect or correlation – 1 - small effect or weak correlation – 3 - medium effect or medium correlation – 9 - strong effect or strong correlation. • This scale ensures that the x data that the team thinks has the strongest effect on the y will stand out. • Multiply each rating by the weight and sum across the row, putting the result in last column. • The x's with the highest totals are the ones that the team should try to collect.
  • 79. FIFTH TOOL :THE PARETO CHART • Another powerful teaming tool is the Pareto chart. The Pareto chart is • The Pareto chart is a bar chart. based on the Pareto principle. The height of the bars indicates the count, or frequency, of • Pareto was an economist in the early occurrence. The bars represent 1900's who discovered that 80% of all one grouping of the data, the wealth was held by 20% of all the people. such as defect type. • This became known as the 80/20 rule • The idea motivating this chart is and it was found to be applicable to that 80% of the count will be due more than the economy. to 20% of the categories. • Eighty percent of the warehouse • The bars are arranged in space is taken up by 20% of the part numbers. Eighty percent of the defects descending order, therefore the are caused by 20% of the defect types dominant group can be determined and it will be the first bar on the left. This chart can be used in a variety of places in a Six
  • 80. PARETO CHART • We will draw a Pareto Chart • Arrange all data in descending order • Arrange data in percent with No of readings • Pareto Mean 80:20 • Convert Data into Cumulative • After data has been collected we draw pareto to focus on the Vital few. Cumlativ Descending % e • The remaining factors are called Trival Many A 17 34 34 • Reasons for Customer Dissatisfaction – – Wrong Items: 17 Delivered Late: 4 B 12 24 58 – Transit Damage: 8 – Late Vehicle : 12 C 8 16 74 – Late Installation: 3 – Absentee of Engineer: 1 D 4 8 82 – Others: 3………………….IN LAST – Failure of items: 2 E 3 6 88 – 17 divided by 50 x 100 = 34 so on F 2 4 92 G 1 2 94 H 3
  • 81. IDENTFYING VITAL FEW IN PARETO CHART 80:20 100 90 80 70 60 50 40 30 20 10 0 A to D are CTP Vital
  • 83. Step 2: Measure – Pareto Tool ANOTHER EXAMPLE Customer Service Requests Between Week 31 and Week 38 that Were Delivered Late 99.2% 250 97.2% 100 n = 251 94.4% 90.8% 86.1% 90 200 76.1% 80 70 162 64.5% 150 60 # of Requests % of Total 50 100 40 30 50 20 29 25 10 12 9 7 5 2 0 0 DOCS LLR RS NFL O&E START QUESTION RS, DOCS Request Type • MS Excel and QC Tools software used to construct graphs • Tool used to rank data by groups from the group that contains the most data points to the group that contains the fewest data points. • Look for a “large bar” or “young mountain”
  • 84. SIXTH TOOL No of Defective Defect Defect in Pune HISTOGRAM Boilers In Savli 1 • Displays frequency of 96 90 distribution of 3 continuous /variable 91 81 data 6 82 73 CONSIDER 7 A DATA OF DEFECTS 77 66 OCCURRED IN 9 PRODUCTION IN SAVLI AND PUNE PLANTS 68 61 •Total 50 Nos PRODUCT 7 in each location 62 58 6 HOW WILL YOU DETERMINE 55 56 WHICH PLANT IS MORE CONSISTENT WITH LESS RANGE IN DEFECTS 5 47 53 4 38 51 2 23 50
  • 85. FIRST CALCULATE INTERVAL FROM DATA -DETERMINE TOTAL NUMBER OF PRODUCTS AND THEN SQUARE ROOT IE 50= 7 ROUNDING OFF -96 WHICH IS HIGHEST READING IS DIVIDED BY 7= 14 -SO NOW WE HAVE INTERVEAL OF 14 EACH. -DETERMINE READINS AS PER INETRVAL OF BOTH PUNE AND SAVLI PLANTS • 14 to 28> 2 of 23 • 14 to 28> 0 • 28 to 42> 5 of 38 • 28 to 42> 0 • 42 to 56> 5 of 47 and 6 of 55 = 11 • 42 to 56> 2 of 50, 4 of 51, 5 of 53, 6 of 56 • 56 to 72> 7 of 62 and 9 of 68 =16 • = 17 • 72 to 84> 7 of 77 and 6 of 82=13 • 56 to 72> 7 of 58, 9 of 61, 7 of • 84 to 98> 3 of 91 and 1 of 96 66 =23 =4 • 72 to 84> 6 of 73, 3 of 81 =9 • 84 to 98> 1 of 90
  • 86. PLOT NUMBER OF READINGS AS PER Y SCALE IN EACH INTERVAL OF 14 ON X SCALE WIDER THE BASE MORE THE VARIATION AIM IS TO BRING BASE CLOSER TO MEAN 25 savli MEAN Pune 20 3-D Column 3 3-D Column 4 15 3-D Column 5 3-D Column 6 10 3-D Column 7 3-D Column 8 5 3-D Column 9 0 3-D Column 10 28 56 84 3-D Column 11 NARROW BASE WIDER BASE
  • 87. MEASURE OF CENTRAL TENDENCEY • AVERAGE MEAN: 64.18 & 61 • MEDIAN: MIDPOINT OF DISTRIBUTION OF DATA : 68 & 61 • CONCLUSION • MODE: RANGE WITH MAX OBSERVATION : 68 &61 • RANGE: X max – X min = spread of • A strong Central tendency distribution . 73 & 40. Range is measure of ( Mean , Median, Mode are Variation close to each other ) indicates less variation in process • Another measure of Variation is Standard Deviation also known as Sigma or s + Square root of ( X • If bars are more spread it – Xmean) ( X – X mean) / N means range is higher or • Where X is X1 X2 X3….. higher variation • N is population size • THIS DATA IS ALSO USED TO CALCLULATE Cp •
  • 88. Step 2: Measure – Histogram Tool ANOTHER EXAMPLE OF HISTOGRAM Customer Service Document Requests Between Week 31 and Week 38 that Were Delivered Late 120 _ x n = 162 (2 outilers of 79 and 64 hours not shown) USL=0.5 hours mean = 7.139 std dev = 8.538 100 96 80 # o R q e ts f eus 60 40 20 14 14 10 8 7 4 1 1 1 1 1 2 0 -1.55 0.55 2.65 4.75 6.85 8.95 11.05 13.15 15.25 17.35 19.45 21.55 23.65 25.75 27.85 29.95 # of hours to deliver request  MS Excel and QC Tools software used to construct graph  Fits data into a frequency distribution  Can show upper and lower specification limits and denote data that falls outside those limits (the area on which the story should focus)  Used for data breakdowns by hours, minutes, dollars, etc.
  • 89. OK BEFORE WE GO TO NEXT PART LETS US AGAIN REWIND WHAT WE HAVE LEARNED
  • 90. Part four • Value Stream Process • Failure Mode and Effect Analysis • AIM IS TO ADD VALUE TO THE PROCESS IF IT IS LENGTHY AND TIRESOME
  • 91. REMEMBER THE PROCESS MAP WHAT WE HAD MADE IN SIPOC AND FLOW CHART NOW OUR NEXT AIM IS TO IMPROVE THE PROCESS CHART BY MAKING OUR SYSTEM A LEAN SIX SIGMA EFFICIENT AND QUICK BUT BY REMOVING ALL NON VALUE ADDED STEPS AND PROCESS IN A BUREAUCRATIC DECISION MAKING THAT DO NOT ADD VALUE BUT ONLY DELAY THE GOAL ACHIEVING
  • 92. FUNCTIONS FILL IN PROCESS STEPS AND DEPART MENT PERSONS IN SEQUENCE OF ACTIVITIES SUBMITTER Fills
  • 93. NOW IDENTIFY IN YOUR SYSTEM PROCESS WHAT ARE THE CUSTOMER VALUE-ADDED ACTIVITIES • Customer-value added has all the following characteristics: • A non-value added activity is one that does not fit into the other two categories. • The customer recognizes the value. • Examples of non-value added • It changes the product or service toward something activities are: proofreading, the customer inspection and checking, logging • expects. information, checking calculations, reviewing and • It is done right the first time. approving, moving and set-up, monitoring work, and rework. • An operational-value added activity has all the following characteristics: • The team would focus on the non-value added activities to see if they could be eliminated or • It is required to sustain the workplace ability to minimized. perform customer value-added activities. • An important clarification is that • It is required by contract or other laws and regulations. a non-value added activity doesn't automatically make it an • It is required for health, safety, environmental, or unnecessary activity personnel development reasons. • It is done right the first time.
  • 95. IDENTFYING VALUE ADDITION ( TIME SPENT IN HOURS) ACTIVITY REQUIRED BY NOT REQUIRED BY NEITHER BENIFTS CUSTOMER CUSTOMER CUSTOMER OR RVA BVA BUSINESS NVA Understanding customer requirement 15 Checking by customer 5 Error corrected 7 Prepare Execution plan 10 Keep plan aside to attend another activity 20 Refer plan for approval by senior 5 Implement Plan 20 Arrange Invoice 8 Await Delivery clearance 15 Ship to customer 5 Customer Sign 5
  • 96. IMPROVING THE PROCESS MAP RVA: Real value adding activity to be optimized BVA: Business value adding activity to be minimized NVA:Non value Adding Activity to be eliminated • Map will be Current Base line Map Step 1 Draw As is Map • Reflect NVA/ removed/ appraisal/prevention for like failure modes Step 2 Draw Should be Map • Compare Maps and Identify actions to move to Should be Level Compare Map • Take action to improve Improve Process processes to Should be Verify, Implement Level Validate Make control Plan
  • 97. ANOTHER PROCESS IMPROVEMENT TOOL PFMEA • Capture defect in your shop that • Information to have customer does not catch in his operations before FMEA • Surfacing the problem early in • Customer requirements specifications production cycle will enable us to solve • Engineering drawings them wih minimum expenses and time • Warranty information and field failure • Previous FMEA • Why perform a FMEA> To prevent • Process Flow Diagram design /process related problems • Process Capability data during product launch /subsequent operations • Prototype TEST data • Defect failure information • How> By attempting to surface • How customer will use end product problem early before they have a • How customer may abuse the end chance to occur product • Benfit> save time and resources
  • 98. FMEA WORK SHEET P What can go Potenti Se Critic signi Pote Occure Desi Detecti Abuse by Revis r wrong o PFM al effect in ve rit al fican t ntial caus nce gn verif on R customer ed RPN c e failure mode y es of failur icati on P s s e mech N nais s m t e p Flow chart the process Classify any special characteristics Describe process and function List potential causes for each failure mode List each potential failure mode Estimate likelihood of occurrence Describe effect of each type of failure List prevention/detection control Rank severity of failure Rank detection Identify RPN
  • 99. IMPROVE Recommended Responsibility for Action Sev o Detection Revised Action to improve RPN completing action Actually erity c RPN Taken c u r e n c e List recommended actions to lower RPN List individual /depts for completing actions List actual actions taken Re compute RPN after corrective actions
  • 100. CONTROL PLAN Requirements Control Equipment Checked By Action plan Process Imposed used if out of step control condition occurs Repeat steps for all processes /sub processes/ parts Develop a control plan and a contingency plan
  • 101. PART SIX HOW WE CAN TAKE A PROJECT TO MAKE OUR ORGANIZATION A LEAN SIX SIGMA
  • 102. Six Sigma Method DMAIC: To improve any existing product or process Define Measure Analyze Improve Control Who are the What are the How can we customers and most important maintain the what are their causes of the improvements? priorities? defects? How is the process How do we performing and remove the how is it causes of the measured? defects? 102
  • 103. Six Sigma Tool Box Define Measure Analyze Improve Control Benchmarking Value Stream Fishbone Modeling SPC Charts Map Diagrams Process Flow Cause & Effect FMEA Tolerance Performance Mapping Control Metrics Flow charts Defect Metrics Root Cause Defect Control Multiple Analysis Regression Project Charter Statistical ANOVA Design Train as a Team Analysis Changes Set Up a Plan & Data Collection Cause & Effect Piloting Guidelines for Run Charts, Diagram Team Time Series Chars, Time Value Charts, Pareto Charts Review Existing Sampling Scatter Plots Best Practices Data SIPOC
  • 104. DEFINE PHASE • Define Phase: The goal of define phase is to define the project scope by understanding background information about the process and its customers • Tools used in define phase as voice of customer, project charter are used decide the scope of project and define boundaries of improvement effort. • It also identifies key stakeholders, time lines, improvement priorities, and improvement targets at the beginning of project.
  • 105. TOOLS AND METHOD IN DEFINE STAGE DEFINE PHASE STEPS/TOOLS VOC/ QFD/ KANO MODEL/ BENCHMARKING/ CTQ/ PROJECTCHARTER/ SIRPORC/DEFINE RESPONSIBILTY AUTH DEFINE CUSTOMER REQUIREMNTS VOC CTQ DEFINATION DEVELOP PROJECT CHARTER PROBLEM STATEMENT GOAL STATEMENT BUSINESS NEED ADDRESSED SCOPE CONSTRAINTS RESOURCES ASSUMPTIONS GUDILINES TEAM COMPOSITION PRELIN PROJECT MILESTONES DEVELOP HIGH LEVEL PROCESS MAP SIPOC/SIRPOC ACTION PLAN FOR PROCESS STANDARDIZATION INTERIM CONTAINMENT ACTION
  • 106. FINAL DEFINE STAGE RESULTS • What are Customer driven CTQ and Process driven CTQ • Sources of Existing Customer data • Assessing Customer requirements and expectations • Recall Vital few customer CTQ • Analyze VOC and its impact on CTQ • Translate Customer needs into CTQ
  • 107. Measure Overview What is the Measure phase? The Measure phase defines the defects, establishes improvement goals, determines that the system of measuring defects is repeatable and reproducible and gathers data about the process. Why is the Measure phase important? The Measure phase ensures that you specifically define the defects you are going to measure and that your measurement system is accurate before you begin to actually measure the process. 107
  • 108. Measure • The primary purpose of • Deliverables from the the measurement phase Measure phase include: is to answer the questions, • Collected data • "How are we doing?" and • Selection of what "How far do we have to measures to use go?“ • The team needs to • Baseline of the "current establish a baseline of state“ the current performance level. • Data collection plan
  • 109. • Develop operational definitions for each CTQ characteristic • Figure out how to measure internal processes affecting each CTQ, KPOV (Key process output variables), KPIV (Input Vars) – Y = F(x) • Figure out what data we need to collect – Easy to collect correctly – Interrupt process as little as possible – Collectors understand why collecting – “gage study” to determine the validity (repeatability and reproducibility) of the measurement procedure for each CTQ • Baseline data – Collect baseline capabilities for each CTQ – Determine the process capability for each CTQ
  • 110. TOOLS IN MEASURE STAGE Define Defect, Based on CTQ and process knowledge , Opportunity, Unit, metric Benchmarking Identify CTPs Using Pareto, Correlation Analysis CT Matrix Develop Data Collection Plan Questionnaires, sampling plans Validate measurements system MSA/Gage R&R Collect data and tabulate data Check sheet and Data sheet Calculate Process capability and Cp Cpk DPMO /Sigma Level Sigma base line calculations
  • 111. WHAT CAN BE MEASURED • Input Indicators - Measures that • Output Indicators - Focus on the evaluate the degree to which the end result. Measures that evaluate inputs to a process (provided by dimensions of the output - may suppliers) are consistent with what focus on the performance of the the process needs to efficiently business as well as that and effectively convert inputs into associated with the delivery of customer satisfying outputs. products and services to customers. • Examples of input indicators – . # of customer inquires • . Retention rates – . Type of customer inquires • . Total # done, sold, made, etc. – . # of orders • . On-time – . # of positions open • . Complete – . Accuracy of the analysis – . Timeliness
  • 112. WHAT ALL CAN BE MEASURED AS GOOD AND DEFECTS • Process Indicators - Focus turning opportunities into desired results. Measures that evaluate the efficiency, effectiveness and quality of the transformation processes (i.e., the steps and activities used to convert inputs into customer satisfying outputs.) • Examples of process metrics include: – . Availability – . Time to do something, timeliness – . # of non-standard request – . Yield (first time through) – . # of exceptions (e.g., non standard approvals) – . Quality level (could also be an output metric)
  • 113. TIME METRICS • Lean process improvement teams often look at time metrics. • Takt time - the unit-to-unit pace of production required to meet customer demand. This is the ideal pace for doing work. At this rate production and demand are in balance. • Cycle time - the actual elapsed process time from the completion of one output unit to completion of the next unit. Cycle time for a process is the length of time for the longest step within the process.So if a four step process has three steps of two minutes each, and one step of five minutes. The cycle time is five minutes. • Lead Time - the length of time from the beginning point of a process to the completion of a finished output (calculation varies depending on scope; it includes: queue, wait and move times). • Time metrics can also include frequency, degree of impact, response time,
  • 114. RESULTS OF MEASURE STAGE • Do the metrics link to the team's improvement goals? • Do the metrics have a balance of viewpoints (customer, supplier, process, productivity, quality, etc.)? • Was a plan developed for collecting the information? • Was a baseline established? • Does the data collected look like it will provide the necessary information for analysis and decision making purposes? • Are all significant process steps captured? • Was the data validated for reasonableness by anyone outside of the team? • Which metrics may be useful in sustaining improvement after implementation of the changes?
  • 115. Category Goal Metric Base Accuracy % of revisions through database 100% requests and 50% production orders