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【正文】 t you find your door keys? I didn39。ll always get what you always got. EN/FAD 109 0015 Ericsson Quality Management Institute Cambridge Management Consulting “ If you continue to manage the business the way you have always managed it, you will continue to achieve the same results.” Continuing to manage the business as you have always managed it, and believing that somehow,mysteriously, performance will improve. ….We need to change the way we do things. If we want things to improve…... EN/FAD 109 0015 Ericsson Quality Management Institute Cambridge Management Consulting Variation Our business enemy 1 EN/FAD 109 0015 Ericsson Quality Management Institute Cambridge Management Consulting What is Variation? Unit 1 Unit 2 Unit 3 Unit 4 Unit 1 Unit 2 Unit 3 Unit 4 Unit 1 Unit 2 Unit 3 Unit 4 Unit 1 Unit 2 Unit 3 Unit 4 Process 1 Process 2 Process 1 Process 2 Process 1 Process 2 Time EN/FAD 109 0015 Ericsson Quality Management Institute Cambridge Management Consulting U n i t P r o c e s s 1 P r o c e s s 2 P r o c e s s 3 P r o c e s s 1 P r o c e s s 2 P r o c e s s 31 5 5 5 5 10 152 5 5 5 10 15 203 5 5 5 15 20 254 5 5 5 20 25 305 5 5 5 25 30 356 5 5 5 30 35 407 5 5 5 35 40 458 5 5 5 40 45 509 5 5 5 45 50 5510 5 5 5 50 55 6011 5 5 5 55 60 6512 5 5 5 60 65 7013 5 5 5 65 70 7514 5 5 5 70 75 8015 5 5 5 75 80 8516 5 5 5 80 85 9017 5 5 5 85 90 9518 5 5 5 90 95 100A v e r a g e P r o c e s s T i m e 5 , 0 O r d e r D e l i v e r e d 100S t a n d a r d D e v i a t i o n 0 , 0P R O C E S S T I M E F I N I S H E D I NU n i t P r o c e s s 1 P r o c e s s 2 P r o c e s s 3 P r o c e s s 1 P r o c e s s 2 P r o c e s s 31 7 6 4 7 13 172 7 4 1 14 18 193 9 2 3 23 25 284 7 8 3 30 38 415 2 6 7 32 44 516 2 6 4 34 50 557 4 5 3 38 55 588 1 4 4 39 59 639 8 8 6 47 67 7310 4 6 2 51 73 7511 6 5 7 57 78 8512 3 8 2 60 86 8813 3 6 5 63 92 9714 4 9 2 67 101 10315 9 7 8 76 108 11616 8 6 9 84 114 12517 3 4 3 87 118 12818 3 4 3 90 122 131A v e r a g e P r o c e s s T i m e 5 , 0 O r d e r D e l i v e r e d 131S t a n d a r d D e v i a t i o n 2 , 3P R O C E S S T I M E F I N I S H E D I NProcess 1 Process 2 Process 3 What is Variation? EN/FAD 109 0015 Ericsson Quality Management Institute Cambridge Management Consulting s m % % % % % % 1s 2s 3s 4s 5s 6s 6s 5s 4s 3s 2s 1s 0 1s 2s 3s 4s 5s 6s 1s 222 )(21 sm?s ??? xeyThe Normal Distribution EN/FAD 109 0015 Ericsson Quality Management Institute Cambridge Management Consulting ?s 6s 6s % yield % yield reduce variation increase tolerance % yield How Do You Get To Six Sigma Performance? EN/FAD 109 0015 Ericsson Quality Management Institute Cambridge Management Consulting Shortterm LSL USL 6s 5s 4s 3s 2s 1s 0 1s 2s 3s 4s 5s 6s Shortterm % or DPMO ? % or DPMO Short Term Versus Long Term EN/FAD 109 0015 Ericsson Quality Management Institute Cambridge Management Consulting LSL USL 6s 6s s Target Six Sigma Concept EN/FAD 109 0015 Ericsson Quality Management Institute Cambridge Management Consulting Major Sources of Variation ? Poor design ? Unstable parts and material ? Insufficient Process Capability ? Skills and Behaviour ? Measurement System EN/FAD 109 0015 Ericsson Quality Management Institute Cambridge Management Consulting s DPMO 6 5 233 4 6 210 3 66 807 2 308 537 Process Capab
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