【正文】 1 s ig ma 3 0 . 2 3 6 9 7 , 7 0 0+ / 2 s ig ma 6 9 . 1 3 3 0 8 , 7 0 0+ / 3 s ig ma 9 3 . 3 2 6 6 , 8 1 0+ / 4 s ig ma 9 9 . 3 7 9 0 6 , 2 1 0+ / 5 s ig ma 9 9 . 9 7 6 7 0 233+ / 6 s ig ma 9 9 . 9 9 9 6 6 0 0 3 . 4LSL Normal Distribution Shifted USL page 25 Lean 6 sigam introduction Costs Are Always Kept in Mind ? There is an optimum quality level beyond which the costs of quality improvement exceed the expected cost savings from a reduced number of defects Cost Sigma Quality Level Optimum Impact of Quality Level on Cost page 26 Lean 6 sigam introduction Frameworks of Six Sigma ? Six Sigma Improvements – Aligning processes to the customer and optimizing process performance by solving problems. ? Design for Six Sigma – Develop new processes/products that are capable. ? Business Process Management ? Maintain performance improvement, while ? Highlighting new opportunities for making further improvements page 27 Lean 6 sigam introduction Rolled Throughput Yield (RTY) is the probability that a product will pass through the entire process without rework and without any defects. RTY= Y1 x Y2 . . . Yn (n = number of process steps) I m pa c t of C om pl e x i t y on R ol l e d Th r ou gh pu t Y i e l d0%10%20%30%40%50%60%70%80%90%100%0 1 , 0 0 0 2 , 0 0 0 3 , 0 0 0 4 , 0 0 0 5 , 0 0 0 6 , 0 0 0 7 , 0 0 0 8 , 0 0 0 9 , 0 0 0 1 0 , 0 0 0N um be r of P a r t s / P r oc e s s S t e psRolled Throughput Yield 4? 5? 6? Why Six Sigma Is the Goal For plex products and systems, 6? is necessary to produce or perform defectfree more than 90% of the time page 28 Lean 6 sigam introduction How Complex Are Your Products? (% Shippable without Rework) of P a r t s 177。3 ? 177。4 ? 177。5 ? 177。6 ?or S t e p s (C p = 1 . 0 0 )*(C p = 1 . 3 3 )*(C p = 1 . 6 7 )*(C p = 2 . 0 0 )*1 9 3 . 3 2 % 9 9 . 3 8 % 9 9 . 9 8 % 9 9 . 9 9 9 7 %2 8 7 . 0 8 % 9 8 . 7 6 % 9 9 . 9 5 % 9 9 . 9 9 9 3 %3 8 1 . 2 7 % 9 8 . 1 5 % 9 9 . 9 3 % 9 9 . 9 9 9 0 %4 7 5 . 8 4 % 9 7 . 5 4 % 9 9 . 9 1 % 9 9 . 9 9 8 6 %5 7 0 . 7 7 % 9 6 . 9 3 % 9 9 . 8 8 % 9 9 . 9 9 8 3 %10 5 0 . 0 9 % 9 3 . 9 6 % 9 9 . 7 7 % 9 9 . 9 9 6 6 %30 1 2 . 5 6 % 8 2 . 9 6 % 9 9 . 3 0 % 9 9 . 9 8 9 8 %50 3 . 1 5 % 7 3 . 2 4 % 9 8 . 8 4 % 9 9 . 9 8 3 0 %100 0 . 1 0 % 5 3 . 6 4 % 9 7 . 7 0 % 9 9 . 9 6 6 0 %300 1 5 . 4 3 % 9 3 . 2 6 % 9 9 . 8 9 8 0 %500 4 . 4 4 % 8 9 . 0 2 % 9 9 . 8 3 0 1 %1 , 0 0 0 0 . 2 0 % 7 9 . 2 4 % 9 9 . 6 6 0 5 %3 , 0 0 0 4 9 . 7 5 % 9 8 . 9 8 4 9 %5 , 0 0 0 3 1 . 2 4 % 9 8 . 3 1 4 0 %1 0 , 0 0 0 9 . 7 6 % 9 6 . 6 5 6 4 %* D is t ri b u t io n s h if t e d b y 1. 5 ? page 29 Lean 6 sigam introduction Why 99% Is Not Good Enough ? The “goodness level” of 99% equates to: ? 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 per month page 30 Lean 6 sigam introduction This Training Manual and all materials, procedures and systems herein contained or depicted (the Manual) are the sole and exclusive property of Gee Group Consulting, . (“Gee Group”). The contents hereof contain proprietary trade secrets that are the private and confidential property of Gee Group. Unauthorized use, disclosure, or reproduction of any kind of any material contained in this Manual is expressly prohibited. The contents hereof are to be returned immediately upon termination of any relationship or agreement giving user authorization to possess or use such information or materials. Any unauthorized or illegal use shall subject the user to all remedies, both legal and equitable, available to Gee Group. This Manual may be altered, amended or supplemented by Gee Group from time to time. In the event of any inconsistency or conflict between a provision in this Manual and any federal, provincial, state or local statute, regulation, order or other law, such law will supersede the conflicting or inconsistent provision(s) of this Manual in all properties subject to that law. 169。 2021 by Gee Group Consulting, . All Rights Reserved. As per the agreement between Schneider Electric and Gee Group Consulting, this training material can only be used for training purpose inside the Schneider Electric pany only. （資料提供來源于： Copyright Notice