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1、FMEAFMEA/CA/PAAnFMEAcanreduceoreliminatethechanceofimplementingapreventive/correctivechangewhichwouldcreateanevenlargerconcern.1FMEACommunication&coordinationshouldoccurbetweenalltypeofFMEA(i.e.DFMEA,PFMEA,MFMEA,…)2FMEAFMEAprogramistimelinessIs“bebore-the-event”action,notan“after-t
2、he-fact”Upfronttimeproduct/processchangecanbemosteasilyandinexpensivelyimplemented,withminimizedlatechangecrises.3WhenshouldaFMEAbestartedAllFMEAs(DFMEA,PFMEA,…)mightbestartedatthesametime.Theearlier,thebetter.TheProcessFMEAshouldbeinitiated:·beforeoratthefeasibilitystage,·priortot
3、oolingforproduction4FMEAprocesssequenceSAE_FMEA_draft_std.PDFp45WhenshouldaFMEAbegenerated WhatshouldbethescopeofFMEATherearethreebasiccasesforwhichFMEA’saregenerated,Case1:Newdesigns,newtechnology,ornewprocess.ThescopeoftheFMEAisthecompletedesign,technologyorprocess.6WhenshouldaFM
4、EAbegenerated WhatshouldbethescopeofFMEACase2:Modificationstoexistingdesignorprocess(assumesthereisaFMEAfortheexistingdesignorprocess).ThescopeoftheFMEAshouldfocusonthemodificationtodesignorprocess,possibleinteractionsduetothemodification,andfieldhistory.7WhenshouldaFMEAbegenerated
5、 WhatshouldbethescopeofFMEACase3:Useofexistingdesignorprocessinanewenvironment,locationorapplication(assumesthereisanFMEAfortheexistingdesignorprocess).ThescopeoftheFMEAistheimpactofthenewenvironmentorlocationontheexistingdesignorprocess.8TheapplicationofFMEAMFMEASystemFMEAContainm
6、entFMEAServiceFMEA……………………………9SYSTEMFMEAp5110DFMEAFailureModeDesignObjectives(astatementofdesignobjectivesisoftenhelpful)--FUNCTION1•FAILUREMODEA•FAILUREMODEBetc.....--FUNCTION2•FAILUREMODEA•FAILUREMODEBetc.....--etc.....ReferSAEp5311SummarySlidePFMEAFailureMode12PFMEAFailureModeId
7、entifiesprocessvariablesonwhichtofocusprocesscontrols.13EffectFTAETABoulineAlgebra14CurrentControlPrevention(firstpriority/preferapproach)Detection15RPN/S/O/D-theratingsaresubjectiveItisnotappropriatetocomparetheratingsofoneteam'sFMEAwiththeratingsofanotherteam'sFMEA,eveniftheprodu
8、ct/processappeartobeidenti
