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Six sigma

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six sigma

six sigma

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  • 1. SIX SIGMA BY
  • 2. What is six sigma? • Sigma is a measure of “goodness: the capability of a process to produce perfect work. • A “defect” is any mistake that results in customer dissatisfaction. • Sigma indicates how often defects are likely to occur. • The higher the sigma level, the lower the defect rate. • The lower the defect rate, the higher the quality.
  • 3. Why six sigma? • Sigma allows comparison of products and services of varying complexity • Also, it provides a common basis for benchmarking (competitors and non-competitors). • The higher the sigma level, the better your operation is performing. • Sigma measures how well you’re doing in getting to zero defects.
  • 4. Why six sigma as a customer what will you accept?  What to expect at 3 sigma what to expect at 6 sigma  5400 wrong drug prescription one wrong drug prescription in 25 per year. years  Unsafe drinking water about 2 unsafe drinking water for 1 sec in hours each month 16 years.
  • 5. Possible applications  Human Resources: reduce the number of requisitions unfilled after 30 days.  Customer Service: measure the number of calls answered on the first ring.  Order Fulfillment: eliminate Customer returns because of incorrect parts or product being shipped.  Finance: reduce the instances of accounts being paid after a specified time limit has elapsed.
  • 6. What is DMAIC  it is an approach undertaken to improve existing business process  Six sigma combination of 5 interconnected phases of a process improvement project. Following are the phases:
  • 7. DMADV APPROACH  This approach is undertaken when there is a need to create new design or product  5 steps in DMADV approach-  Define  Measure  Analyze  Design details  Verification
  • 8. DMADV explanation  Define design goals that are consistent with customer demands and the enterprise strategy.  Measure and identify CTQs (characteristics that are Critical To Quality), product capabilities, production process capability, and risks.   Analyze to develop and design alternatives, create a high-level design and evaluate design capability to select the best design.  Design details, optimize the design, and plan for design verification. Verify the design, set up pilot runs, implement the production process and hand it over to the process owners.  DMADV is also known as DFSS, an abbreviation of "Design For Six Sigma".
  • 9. Difference b/w DMAIC and DMADV  IN DMAIC  1.Defines a business process  2.Measuring current process  3.Identify root cause of the recurring problem  4.Improvements made to reduce defects  5. Keep check on future performance
  • 10. Difference b/w DMAIC and DMADV  IN DMADV  1.Define customer needs  2.Measure customer needs & specifications  3.Analyze options to meet customer satisfaction  4.Model is designed to meet customer needs  5.Model put through simulation tests for verification
  • 11. The six sigma organization.  The six sigma team has five levels of hierarchy
  • 12. What is a BELT?  Belt refers to the level or the position, of a person in an organization at the time of performing a work or at the time of implementation of a project.  There are five “Belt” levels :- 1. Champion 2. Master black belt 3. Black belt 4. Green belt 5. Yellow belt
  • 13. Champion • Lay down policies and guidelines regarding functioning of six sigma teams • Approves six sigma projects • Removes road blocks in the path of six sigma implementation • Receives presentations • Monitors project • Make available necessary resources • Sort out conflicts
  • 14. Master black belts  The highest level of Six Sigma expertise;  All duties involve implementation of Six Sigma, including statistical analysis, strategic and policy planning and implementation, and training and mentoring of Black Belts.
  • 15. Black belts  a Six Sigma-trained professional who has usually completed an examination and been certified in its methods;  all job duties include implementation of Six Sigma methodology throughout all levels of the business,  leading teams and projects, and providing Six Sigma training and mentoring to Green and Yellow Belts.
  • 16. Green belt  In many organizations, Six Sigma's "entry level";  a Six Sigma-trained professional who does not work on Six Sigma projects exclusively, but whose duties include leading projects and teams and implementing Six Sigma methodology at the project level
  • 17. Yellow belt  The lowest level of Six Sigma expertise  applies to a professional who has a basic working knowledge and who may manage smaller process improvement projects,  but who does not function as a project or team leader.
  • 18. Thanks for paying attention

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