introductionofsixsigma-wenkub
2023-01-27 18:14:43 本頁(yè)面
【正文】 And by when? ? Who’s the customer impacted? ? What are the CTX’s inconcern? ? What’s the process under investigation? Belton Confidential: For training only Project Definition ? Improve time to market for all products ? Lead the industry in key technologies ? Create worldclass manufacturing processes ? Develop strategic supplier relationships ? Provide bestinclass product and process quality ? Develop strategic relationships with key customers ? Bee an employer of choice Belton Confidential: For training only Baseline Metric Data ? Baseline The average longterm defect level of a process when all input variables in the process are running in an unconstrained fashion. ? Entitlement The bestcase shortterm defect level of a process when all input variables in the process are centered and incontrol. ? Benchmark The defect level of the process deemed by parison to be the best process possible. Belton Confidential: For training only Breakthrough Improvement Time Reject Rate Baseline ~ NID(?0, ?0178。3?1) Entitlement Opportunity for Improvement (?) ? Belton Confidential: For training only Cost of Quality I nternal Fai l ure C ost s E xtern al Fai l ure Cos ts? S cr ap ? Cos t to Cus tom er? Rewo rk ? Warranty Cos t? S upplier S cr ap Re w ork ? R eturn ed Mate r ialApprai s al Cos ts P reven tion Cos ts? Ins pec ti on ? Q uali ty Planni ng? Te s ti ng ? P roce s s Planni ng? Q uali ty Audits ? P roce s s Control? Initi a l Main te n anc e Costs of ? Tra ining Tes t Inspe ct ion E quip mentOppo r tuni ty C os tsHard Savings Potential Savings Soft Savings Belton Confidential: For training only Measure ?The Measure phase serves to validate or refine the problem, and to begin the search for root causes. It addresses ? the focus and extent of the problem, based on measures of the process, ? the key data required to narrow the problem to its major factors or vital few root causes. Belton Confidential: For training only Capability Analysis — Conventional Metrics ? Reject Rate ? in percent (. %) ? in ratio (. ) ? in parts per million (. 74,000 DPPM) ? Yield ? in firsttime yield ? in final yield Belton Confidential: For training only Capability Analysis Capability Analysis Conventional Metrics Six Sigma Metrics Reject rate In precent (eg, %) In defects per Unit (DPU) In Ratio (eg,..074) In defects per million opportunities (DPMO) In parts per million (eg, 74,000 dppm) In throughput yield Yield In firsttime yield In rolled throughput yield In final yield In normalized yield Belton Confidential: For training only Defect per unit (DPU) ? Defects Per Unit : The average number of defects per unit produced. Defect Rate = Defects / Units = 7 / 5 = dpu 1 2 3 4 51 . A rm H e i g h t x2 . A rm t h i c k n e s s x3 . Bo re h o l e D i a4 . S w g a e h o l e D i a x x5 . Ro u g h n e s s6 . T e a rd ro p p ro fi l e x x7 . Ro l l8 . P i t c h xT o ta l D e fe c ts p e r D i s c 3 1 2 1 0A r m Belton Confide
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