Six Sigma


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define / measure / analyse / improve / control

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Six Sigma

  1. 1. Six Sigma Six Sigma define / measure / analyse / improve / control
  2. 2. Six Sigma Overview Tools Examples Process Glossary Define Measure Analyse Control Improve 2
  3. 3. overview Six Sigma can be described as … 3
  4. 4. A business philosophy & strategy adopted by companies who are recognized leaders in world class quality. A Fact based decision making. An integrated part of a management system. A Customer focused determination (Customer “critical-to-quality” factors) where we should focus our quality improvements. … 4
  5. 5. … Continuous improvement methodology used to improve business processes and products. Utilisation of powerful statistical tools. Statistical measure of process capability. 5
  6. 6. D M A I C define measure analyse improve control Understand Measure the Analyse the Improve the Control and what defects and data and process to monitor the customer map process discover root remove root improvement. requires, operation. causes of causes of define the defects. defects. problem and set-up project team. 6
  7. 7. define define 7
  8. 8. Six Sigma Process Measure Analyse Improve Control Define 1 Customer requirements 2 Process flow 3 Potential Business case Pareto diagram SIPOC SMART goals SWOT VOC (Voice of analysis First pass yield Process maps the customer) CTQ tree Tree diagram Kano model Affinity diagram 8
  9. 9. The purpose of business is to create and keep a customer. Peter F. Drucker 9
  10. 10. measure measure 10
  11. 11. Six Sigma Process Define Analyse Improve Control Measure 4 Refined project definition 5 Capable Measurement system 6 Data collection right oparational data collection process measurement definition plan capability Gage R&R interviews with continious data transformation sample Gage R&R discrete vs. with discrete data variation continuous test on using histogram normal measurable Minitab Gage R&R for distribution pareto specification transactional processes commitment of diagram process offset normal distribution organization control charts 11
  12. 12. In God we trust, all others bring data. William Edwards Deming American Statistician, 1900-1993 12
  13. 13. analyse analyse 13
  14. 14. Six Sigma Process Define Measure Improve Control Analyse 7 Evaluation of potential X 8 Filtering of red X1 … X7 Regression Screening Learning from Y data Chi-Square test Anderson Darling test Kruskal-Wallis test Process analysis Brainstorming Confidence interval Man-Whitney test FMEA Benchmarking Wilcoxon test F test Levene‘s test Ishikawa ANOVA T test 14
  15. 15. The structure of a system tends to mirror the structure of the group producing it. Mel Conway April 1968, Datamation 15
  16. 16. improve improve 16
  17. 17. Six Sigma Process Define Measure Analyse Control Improve 9 Find Major X 10 Optimize adjustment for X solution finding and verifying system optimization design of experiments DOE solution refinement solution testing 17
  18. 18. Nothing is more difficult to carry out, nor more doubtful of success, nor more dangerous to handle than to initiate a new order of things. Niccolo Machiavelli 18
  19. 19. control control 19
  20. 20. Six Sigma Process Define Measure Analyse Improve Control 14 Controlled process 11 Process tolerances 13 Capable process project closing 12 Capable measurement system improved quality process systems process capability tolerances Gage R&R suboptimal X feedback for X values control process buffering of Y-values; management Y tolerance limits optimal plan buffering of X-values; process Out of Control work X controll limits monitoring Action Plan MPSB instructions OCAP process Poka Yoke FMEA control management with plan control charts Audit 20
  21. 21. Control your own destiny or someone else will. Jack Welch 21
  22. 22. Thank You Thank You Edmund Gröpl, 22
  23. 23. Bonus slides 23
  24. 24. CTQ tree (Critical-to-Quality) requirement topic CTQs measurement goal quality customer cost requirement time 24
  25. 25. Download PPT Download Sorry. Slideshare doesn’t support hyperlinks in presentations. Download the slides in PPT format with all the links to relevant internet resources from: 25