【正文】 ical issues 關(guān)鍵問題 Design the defect out of the part or process 設計零件 /過程如何沒有缺陷 Fail safe Fail safe Fail safe 故障保護 Redundancy Redundancy 冗余 19. Measurement System Evaluation 測量系統(tǒng)評估 ? Industry standard 行業(yè)標準 ? Required for gauges used to measure major characteristics and part specific gauges (no history) 對于用來測量主要特性和零件的專用檢具（無歷史）需要進行測量系統(tǒng)的評估 ? Review generic R and R for all others 對于所有其他量具評估其通用的可重復性和可再現(xiàn)性 ? Consider attribute study for visual inspections. 對于目測檢驗項目要考慮其屬性研究 20. PreLaunch Control Plans 試生產(chǎn)控制計劃 ? Industry Standard 行業(yè)標準 ? Typically used for trial run 典型用于試生產(chǎn) ? Should be production control plan with provisions for capability studies 應為量產(chǎn)的控制計劃，并要進行能力研究 21. Operator Process Instructions 過程作業(yè)指導書 ? Must have adequate set up instructions 必須要有充分的作業(yè)指導 – Key to long term capability 對于長期能力是關(guān)鍵 ? Digital photos are good tool 數(shù)碼照片可以作為很好的工具來使用 ? Include gages 包括量具 22. Production Trial Run 生產(chǎn)試運行 ? This is not the time to debug 這個階段已經(jīng)不是調(diào)試的時候了 – All debugging should already be done 所有的調(diào)試工作都應該已經(jīng)完成 – Root out issues only found at production 這個時候只應該發(fā)現(xiàn)量產(chǎn)中會出現(xiàn)的問題 ? Follow PCC process 跟進 PCC過程 ? Enforce trial run quantity in QS 執(zhí)行 QS中要求的試運行數(shù)量 ? Document with PCC form 存檔 PCC表 ? Supplier‘s processes may be acceptable ? 供應商過程可能是可接受的 – ― build review‖ or ―run at rate‖ ―裝機的評估”或“生產(chǎn)效率 ‖ 23. Production Compatibility Matrix 生產(chǎn)兼容性矩陣 ? Enforce Cpk guidelines in QS 執(zhí)行 QS中的 Cpk指導要求 ? Study size 研究批量的大小 ? Can be multiple lots for low volume 對于低產(chǎn)量的產(chǎn)品可以進行多批次研究 – Acceptable Cpk criteria 可接受的 Cpk標準 – Demonstrate stability 證明穩(wěn)定性 ? Evidence with capability summary 產(chǎn)能總結(jié)的證明資料 – Can use QSP appendix 可以使用 23. Production Compatibility Matrix 生產(chǎn)兼容性矩陣 No NoNoY es Y esNoY esY esNoY esY esNoY esNot e: 1 00 % i nspecti on requ i r ed u nt i l c ap ab i l i ty i s d et erm i ne d an d acc ep ta bl e.C a p a b il it y r e q u ir e d f o r P P A P a p p r o v a lP r o d u c t io n t r ia l r u n ( P C C ) o f 3 0 0 o r m o r e p c s ?P e r f o r m s h o r t t e r m c a p a b il it y s t u d y o n m in im u m o f 3 0 s a m p le s a n d m a in t a in S P C c o n t r o l c h a r t P p k o f 1 . 7 9 o r h ig h e r a n d s t a b il it y d e m o n s t r a t e d ?P e r f o r m c a p a b il it y s t u d y o f a t le a s t 1 0 0 s a m p le sC p k o f 1 . 3 3 o r h ig h e r a n d s t a b il it y d e m o n s t r a t e d ?I m p le m e n t a n a c t io n p la n in c lu d in g c o n t r o l o f c u r r e n t p a r t s a n d t h e im p r o v e m e n t o f t h e c a p a b il it yH is t o r ic a l d a t a a v a il a b le f r o m s im il a r p r o d u c t s a n d p r o c e s s e s ?A u g m e n t o r r e p la c e s h o r t t e r m d a t a w it h lo n g t e r m r e s u lt s f r o m t h e s a m e o r s im il a r p r o c e s s e s A c c e p t s t u d yI m p le m e n t a n a c t io n p la n in c lu d in g c o n t r o l o f c u r r e n t p a r t s a n d t h e im p r o v e m e n t o f t h e c a p a b il it yI s t h e e s t im a t e d a n n u a l u s a g e 5 0 0 / y e a r ?S a t is f ie s in it ia l p r o c e s s s t u d y r e q u ir e m e n t f o r P P A P a p p r o v a lA c c e p t s t u d yS TA R TCapability requirements from PPAP manual PPAP手冊中的能力要求 23. Production Compatibility Matrix 生產(chǎn)兼容性矩陣 Ite m Na m e P art Com pl et i on Da te 1/ 1/ 20 04Dr aw i ng No . 1234567 S he et No . 1 S i gn at ureDr aw i ng Re v i s i on No . 0P r od uctP r od uct P r oces s P r oces sP r od uct S pe c i f i c at i on Cr i ti c al i ty P r oces s A s s ess m en t Cap ab i l i ty Com pa ti bi l i tyCha r acter i s ti c T ol eran c e Cl ass i f i c at i on Cap ab i l i ty Me th od Cl ass i f i c at i on Cl ass i f i c at i on Com m en ts70 m m B ore + / 1. 67 X ba r R Cap ab l e II A c c ep ta bl e10 m m f ace l en gt h + / 1. 33 X ba r R Cap ab l e II A c c ep ta bl e25 .4 m m B orr e + / 5 0. 05 X ba r R In c ap ab l e IV 10 0% i nspectOPE R A T I ON S WO R K SH EET( C la s s ific a t ion of Ch a ra c t e ris t ic s ) J o hn D o e? Used as a capability summary 用作能力總結(jié) ? Equivalent forms can be used 也可以使用同等表格 PPAPs can not be approved with undefined or inadequate capability. 對于未定義的項目以及未顯示充分能力的項目 PPAP不能得到批準。參考對于所要求的措施的適當程序。 If improvement is not possible, requires Cross 如果不可能進行改進，要求跨功能小組 Functional Design Review assessment (Category 1). 進行設計評估（ 1類） High Risk 高風險 Requires joint review by responsible engineers to 要求責任工程師進行聯(lián)合評估來提高產(chǎn)品的工藝 improve ProductProcess Compatibility. If 能力。 improvement is not possible, requires Chief Product Medium Risk 中度風險 Requires joint review by responsible engineers to 要求責任工程師進行聯(lián)合評估 attempt improvement in ProductProcess Compatibility 來努力改進產(chǎn)品的工藝能力。 opportunity for cost savings may exist. 24. Production Control Plans 量產(chǎn)控制計劃 ? Industry standard 行業(yè)標準 ? Ensure appropriate SPC is in place and documented for majors and criticals 確保對主要和關(guān)鍵特性有進行適當?shù)?SPC統(tǒng)計并有文件記錄 – Should support on demand Cpk status inquiries 應該對 Cpk狀態(tài)查詢的需要提供支持 – Must support PUR 02040701 必須支持 PUR 02040701 CO NT RO L P LA N P r o to typ e ( ) P r e l a u n ch ( ) P r o d u cti o n ( x ) K e y Con ta ct/ P h o n e D a te ( Or i g .) D a te ( R e v.)C o n tr o l P l a n Num b e r P a r t N u m b e r / L a te st Cha n g e L e vel C o r e T e a m C u sto m e r E n g i n e e r i n g A p p r o val / D a te ( If Req 39。 d )Ma ch i n e , D e v i ce C ha r acter i sti csM e th o d sP r o cess Nam e / Ji g , T o o l s N o . P r o d u ct P r o cess S p e ci a l P r o d u ct/ P r o ces