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1、orever F 1 5 1.1.5 1.2FMEA.5 1.3FMEA.6 1.4FMEA.7 2 FMEA.12 2.1FMEA12 2.2GJB 139192 FMEA .12 2.3QS9000 FMEA 20 1-1 FMEA 5 1-2 9 2-1 FMEA 12 2-2 13 2-3 13 2-4 13 2-5 16 2-6 18 2-7FMEA 20 2-8 DFMEA 21 2-9 PFMEA 21 2-10 DFMEA 22 2-11 PFMEA 22 2-12 DFMEA 23 2-13 PFMEA 23 2-15 26 2-16 QS9000 FMEA 28 - - 1
2、 1.1 Failure Mode and EffectsAnalysisFMEA Failure ModeEffects and CriticalityAnalysisFMECA FMEACriticality Analysis-CA FMEAFMECAFMEA FMEA5 0 FMEA6070 FMEA 80 FMECA FMEA 1.2 FMEA FMEA 1-1 1-1FMEA 1-1 FMEA FMECAFMECA FMECA FMECA FMECA FMECA FMECA FMEA FMEAFMEAFunction FMEAFFMEA FMEADesign FMEADFMEAFME
3、AProcess FMEAPFMEA FMEAFMEA 1.3 FMEA FMECA 1-1 1-1 FMEA 1 FMEA 2 3 4 5FMEA FMECAFMECA 6 FMEA FMECAFMEACAFMEA 6 FMEA CA 7FMEA FMECA FMECA FMECA 1.4 FMEA 1.4.1 FMECA 1-2 1-1 FMECA 7 FMEA 1-2 1-2 1.4.2 8 FMEA 1-2 1.4.3 FMEA 1-3 FMEAFMEA FMEA 1-3 9 FMEA FMEA FMECA 1.4.4 Risk Priority NumberRPN Criticali
4、ty Analysis 1.4.5 BIT 10 FMEA 1.4.6 1 2 1.4.7 FMEA 1.4.8 FMEA FMEA 1FMEA FMECA 2FMECA FMECA 3FMEA 4FMEAFMEA FMECAFMECA 5FMEA FMECA FMECA 6FMECA FMECA 11 FMEA 2 FMEA 2.1FMEA FMEAFMEA 2-1 2-1 FMEA / GJB1391-92 MIL-STD-1629A QS 9000 FMEA QS9000 FMEA ISO/TS 16949 ISO/TS 16949 IATF ISO/TS16949 FMEA SAE J
5、1739 FMEA SAE ARP5580 MIL-STD-1629 FMEA MIL-STD-1629A MIL-STD-1629A FMEAQS 9000 FMEA GJB 139192 FMEAQS 9000 FMEA 2.2 GJB 139192 FMEA 2.2.1 FMEA GJB 139192FMEA 2.2.1.1 GJB 139192 2-2 12 FMEA 2-2 () 2.2.1.2 FMEA 2-3 2-3 A 20 B 1020 C 110 D 0.11 E 0.1 2.2.1.3 jj 2-4 2-4 j j 1 011. j 00 j .1 j 0 2.2.1.4
6、 Cmj Cmj tC jjpmj Cr ( 13 FMEA ) CrCC mjr t C aCC jj n j n j pmjr 11 n 2.2.1.5 2-1 r 2-1 FMECA A Cr B C D E 2-1 Cr 2.2.2 FMEA GJB139192FMEA 2-5 () FMEA () () () 14 FMEA () () () a. b. c. FMEA () () () () 15 FMEA 2.2.3 CA GJB139192CA 2-6 FMEAFMEA () ( p)p (b)(A)(E) ( Q) QEAbp p ( j)j j (N) j(j=1 2N)
7、1 j ( j)j (t)t ( Cmj) ( Cr) () 17 FMEA 2.2.4 FMEA FMECA FMECAFMECA FMEA CA FMECA IH FMECA FMECA l RPN RPN 2 1 11910 3 l 2.2.5 FMEA FMECA 10 V7V FMECA FMEA 2-7 2-7 R2 15 RlR2RlR2 19 FMEA 2-7FMEA 2.3 QS9000 FMEA QS9000 QS 9000 a)b) c) FMEA QS9000 FMEADFMEAPFMEA 2.3.1 FMEA QS9000 FMEA QS9000 FMEA 20 FM
8、EA 2.3.1.1 DFMEA 2-8 PFMEA 2-9 2-8 DFMEA /10 /9 /8 /7 /6 /5 / 75 4 / 503 / 25 2 1 2-9 PFMEA / / 10 / 9 /100/8 / 100/ 7 /100 / 6 /100/5 21 FMEA / 75 100 4 / 50 1003 / 25 1002 1 2.3.1.2 DFMEA 2-10 PFMEA 2-11 2-10 DFMEA 10 9 8 7 6 5 4 3 2 1 2-11 PFMEA 10 9 8 7 6 5 4 3 2 22 FMEA 1 2.3.1.3 DFMEA 2-12 PFM
9、EA 2-13 2-12 DFMEA /10 /9 /8 /7 /6 /5 /4 /3 /2 /1 2-13 PFMEA ABC x 10 x 9 x 8 x 7 x x SPC6 x 100Go/No Go 5 xx 4 23 FMEA xx 3 xx 2 x /1 2.3.1.4 RPNOccurrence Probability Ranking, OPREffect Severity Ranking ESRDetection Difficulty Ranking DDR RPNOPRESRDDR RPN RPN RPN RPNRPN RPN 2.3.2 FMEA QS9000 FMEADFMEAPFMEA DFMEA 2-14 24 FMEA F M EA 2 / / DV F M EA RPN 2.3.1.4RPNRPN RPN RPN 9 10 9 10 RPN RPN 25 2.3.3 F M EA F M EA 2.3.4 FMEA FMEA RPN 2-15 2-15 QS9000 FMEA