【正文】 s )P ot e n t i a l F a il ur eE f f e c ts ( KP OVs )SEVCIassP ot e n t i a l C a u s e so f f a il ur e ( K P I Vs )OCC C ur r e n t P r oc e s sC on t o l sDEPRPN1 L oa d B r c kt 1 H o u s in g in toF ix t ur e AP a r ts do not f i t De l a y in pr oc e s s 2 in c o m in gc o m po n e n tdi m e n s i o n s o u t o fpr in t3 R e c e iv in gI n s pe c t i o n ( 1 %di m e n t i o na l a ud i t)6 362 P a r t i s l oa de dI n c or r e c t lyF in a l A s s e m b lyW i dt h / L e ngt hOut o f P r in t8 Ope r a to r E r r or 5 100% F in a l D i mGa ug e / 100 %V i s u a l in s pe c t i o n4 1603 F ix t ur e A: I ni t i a teC y c l e S ta r tM a c hi n e w il l n o tc y c l eDe l a y in pr oc e s s 2 P owe r o f f , s e n s orout2 1 / m o n t h P M 7 284 F ix t ur e A: C l a m ps M a c hi n e w il l n o tc l a m pDe l a y in pr oc e s s 2 Air pr e s s ur e l ow ,S e n s or o u t2 1 / m o n t h P M 7 285 De l a y in pr oc e s s 2 P a r t n ot l oa de dpr oper ly2 S e n s or in s ta ll e d( poke y oke)2 86 F ix t ur e A: W e ld s M a c hi n e w il l n o twe l dDe l a y in pr oc e s s 2 Not e n o ughv o it a g e s u p p li e d1 V o i ta g e r e gul r a to rAn d V i s u a l a l a r m2 47 W e l ds a ppea rS m a ll or “ li ght ”Air ba g h o u s in gwil l n o t s u s ta inde pl o ym e n t10 W e l ds s c h e d ul eout o f a dj u s t m e n t5 100% V i s u a lin s pe c t io n , 2 /s hi f t de s tr u c t iv etes ti ng4 2008 F ix t ur e A:Un c l a m psM a c hi n e w il l n o tun c l a m pDe l a y in pr oc e s s 2 Air P r e s s u r er e l e a s e v a lv ebr oke n2 1 / m o n t h P M 7 289 R e m o v e a n dT r a n s po r tS u b A s s yDr opped /Da m a g e ds u ba s s e m b lyF in a l A s s e m b lyW i dt h / L e ngt hOut o f P r in t8 Ope r a to r E r r or 2 100% F in a l D i mGa ug e / 100 %V i s u a l in s pe c t i o n4 64step 9. 輸入當今工序控制 Ining inspection 100% inspection Visual inspection 6 4 ? 現(xiàn)在的控制是為消除潛在失敗模式 產(chǎn)生的原因 ? 推薦活動 ? 搞清楚原因，做工作進行修正 ? 檢查失敗模式本身的工作 R P N Substandard of Imported parts 3 Operator mistake 5 Process delay Impossible final assembly severity grade Potential cause occurrence process step potential failure mode potential effect (process function) (process failure) Present process control detection Unfit parts specification inaccurate load Load bracket and housing to fixture A. 2 8 step 10. 輸入檢出度 ? 10 point – 完全不確定 – 在現(xiàn)有控制下，不可能檢出失敗原因以及失敗點 ? 9 point – 可能性很微小 – 檢出失敗及原因幾乎不可能 ? 8 point – 比較微小 – 檢出失敗及原因不可能 ? 7 point – 很低 – 檢出失敗及原因可能性很低 ? 6 point – 低 – 檢出失敗及原因可能性低 ? 5 point – 中等 – 檢出失敗及原因可能性為中度 ? 4 point – 比較高 – 檢出失敗及原因可能性比較高 ? 3 point – 高 – 檢出失敗及原因可能性高 ? 2 point – 較高 – 檢出失敗及原因可能性高 ? 1 point – 幾乎確定 – 檢出失敗及原因可能性為確定 原因 失效模式 (檢查 ) 控制 effect Input rawmaterial, process Process stage Outer customer or Subprocess 預防 檢出 檢查 檢查 什么是最理想的環(huán)境 ? FMEA 模型 step 11. 輸入 RPN – RPN = 嚴重度 * 發(fā)生度 * 檢出度 – 集中力量消除高 RPN的 – 如果 RPN低，也需要特殊的重視 FM。 failure mode and effect（失效模式與影響）的關(guān)系 step 5. 輸入嚴重度 P r oce s s F un c t i o n ( S tep)P ot e n t i a l F a il ur eM odes ( pr oce s sDe f e c ts )P ot e n t i a l F a il ur eE f f e c ts ( KP OVs )SEVCIassP ot e n t i a l C a u s e so f f a il ur e ( K P I Vs )OCC C ur r e n t P r oce s sC on t o l sDEPRPN1 L oad B r c kt 1 H o u s in g in toF ix t ur e AP a r ts do not f i t De l a y in pr oce s s 2 in c o m in gc o m po n e n tdi m e n s i o n s o u t o fpr in t3 R e c e iv in gI n s pec t i o n ( 1 %di m e n t i o na l a ud i t)6 362 P a r t i s l oa dedI n c or r e c t lyF in a l A s s e m b lyW i dt h / L e ngt hOut o f P r in t8 Ope r a to r E r r or 5 100% F in a l D i mGa ug e / 100 %V i s u a l in s pec t i o n4 1603 F ix t ur e A: I ni t i a teC y c l e S ta r tM a c hi n e w il l n o tc y c l eDe l a y in pr oce s s 2 P owe r o f f , s e n s orout2 1 / m o n t h P M 7 284 F ix t ur e A: C l a m ps M a c hi n e w il l n o tc l a m pDe l a y in pr oce s s 2 Air pr e s s ur e l ow ,S e n s or o u t2 1 / m o n t h P M 7 285 De l a y in pr oce s s 2 P a r t n ot l oade dpr oper ly2 S e n s or in s ta ll e d( poke y oke)2 86 F ix t ur e A: W e ld s M a c hi n e w il l n o twe l dDe l a y in pr oce s s 2 Not e n o ughv o it a g e s u p p li e d1 V o i ta g e r e gul r a to rAn d V i s