FMEA第五版表格(带实例)--2019.8.17

ProcessFailureModeandEffectsAnalysis(ProcessFMEA)CompanyName:NameofcompanyresponsibleforPFMEASubject:NameofPFMEAprojectSystem/sub-system/component/part:PlantLocation:GeographicallocationPFMEAStartDate:DatePFMEAprojectstartedPFMEAIDNumber:DeterminedbythecompanyCustomerName:Nameofcustomer(s)or[productfamily]PFMEARevisionDate:DateofmostrecentchangeProcessResponsibility:NameofPFMEAownerModelYear/Platform:Customerapplicationorcompanymodel/styleCross-FunctionalTeam:TeamRosterneededConfidentialityLevel:[BusinessUse,Confidential,Propriotary,etc.]CONTINUOUSIMPROVEMENT1.ProcessItemSystem,Subsystem,PartElementorNameofProcess2.ProcessStepStationNo.andNameofFocusElement3.ProcessWorkElement[Man,Machine,Material(Indirect),Milieu(Environment),etc.]1.FunctionoftheProcessItem[In-plant,Shiptoplant,ProcessItem,VehicleEnduser,whenknown]2.FunctionoftheProcessStepandProductCharacteristic(Quantitativevalueisoptional)3.FunctionoftheProcessWorkElementandProcessCharacteristic1.FailureEffects(FE)[In-plant,shiptoplant,processitem,vehicleenduser,whenknow]OriginalSeverity(S)ofFE2.FailureMode(FM)oftheProcessElement3.FailureCause(FC)oftheWorkElementCurrentPreventionControl(PC)ofFCOccurrence(O)ofFCCurrentDectectionControls(DC)ofFCorFMDetection(D)ofFC/FMActionPriority(AP)SpecialProductCharFilterCode(optional)PreventionActionDetectionActionResponsiblePersonTargetCompletionDate(TCD)Status:Open,Completed,DiscardedActionTakenwithPointertoEvidenceCompletionDateSeverity(S)Occurrence(O)Detection(D)ActionPriority(AP)History/ChangeAuthorization(AsApplicable)Thenameoftheprocessbeinganalyzede.g.electricalmotorassemblylinewhichistheendresultofallsuccessfullycompletedprocessstepsmayalsobeanon-directmanufacturingprocesse.g.shippingTheoperationorstationtobeanalyzedthatproducestheProcessIteme.g.OP30SinteredbearingPress-inprocessUsethe4M'stoidentitytypesofvariationthathaveaninfluenceontheoperationorstationbeinganalyzed4MTypes:Man,Machine,Material(indirect),Milieu(Environment)ListasingleMforeachline.TypesmayvarybycompanyAdescriptionofwhattheProcessItemisexpectedtoachievebrokendownintoseveralcategoriesSomecategoriesmaybeunknownandlistedasNotApplicable(NA)TheseexpectationscanbereferredtowhencompletingFailureEffects(FE)TheseexpectedresultsmayapplyfortheentireProcessIteme.g.electricalmotorassemblylineIn-plant：AvoidreworkandscrapShiptoplantInstallationofwindowlifterelectricalmotortovehicledoorProcessItem.：ShaftinstalledintopolehouseassemblyVehicle.：WindowraisesandlowersAdescriptionofwhattheoperationorstationmustachievee.g.AxialpositionsinteredbearinginpolehousingThisisthepositiveProductCharacteristicandmustbedetectableintheproductTheFailureModeorFailureModeswillbethenegativeornegativesofthepositiveProductCharacteristic.TheProductCharacteristiccanbewrittenstatingtheentirepositiveProductCharacteristic,egwithingaptolerance,orusingseparatelines,consideringoverandundertolerance,eg,notgreaterthenmaxtolerance,notlessthanmintolerance.ItmayalsoconsidermagnitudeofouttotoleranceifiteffectstheFailureEffectse.g.gapnotgreaterthenmaxtoleranceby0~3mmorgapnotgreaterthenmaxtolerance-Morethan3mmApositivedescriptionofhowtheworkiscompletedincludingthepositiveprocesscharacteristicrelatedtoeach4MThenegativeofthesepositiveswillbeusedfortheFailureCausecolumnThemoredetailusedherewillproducemoreFailureCausei.e.eachlineisauniquepositiveproducingauniquenegative,i.e.aFailureCauseInsteadof“Getcorrectsinteredbearingfrompartrackandplaceintofixture”Use“Getcorrectsinteredbearing”and“Fullyplacebearingintofixture”ThisidentifiesoftwoseparateFailureCauses,i.e..“wrongpartpicked”“Bearingnotfullysetintofixture”Themoredetailused,themoreCausescanbecapturedinthedocumentedforriskanalysis.Otherpossiblepositiveprocesscharacteristic-“PickpartfrompartrackwithoutscratchingtheHowtheVehicle,SystemorSubsystemcouldfailtoperformtheFunctiondescribedattheNextHigherlevelWhenconsideringEffects,consideritemslistedin“FunctionoftheProcessItem”andtheFailureMode”endhowtheycanEffectthe3areasbeingconsidered(In-Plant,Shiptoplant.ProcessItem,VehicleEndUser)Includepotentialeffectstothevehicle(EndUser)levelendregulations.asapplicableItisrecommendedtolisttheSeverityRanknexttoeachofthe3areasbeingconsideredandusethehighestRankfortheSeverityRank.Onearea,suchasEndUser.maynotalwayshavethehighestSeverityRank1~10Failuremodemustbedetectableintheproduct(defect)TheFailureModewillbethenegativeornegativesofthepositiveProductCharacteristic.ConsideringeachsideofthespecificationofProductCharacteristicifspecificationofProductCharacteristichasarange,listFailureModeforeachsideofthespecification,i.e.,“TorqueBolttospec”,theFailureModeswillbe“Torquelossthenspec”,“Torquemorethanspec”EachmayhaveadifferentSeverityRank.ConsideringmagnitudeofoutofspecificationIfthemagnitudeofoutofspecificationcanaffecttheSeverityRank.Itshouldhelisted,i.e.,“Nostampingcracks”,theFailureModescouldbecrack0-10mmlong”,SeverityRank4.“Crackgreaterthan10mmbutlessthan20mmlong”.SeverityTheFailureCauseisthenegativeofthepositivelistedin“FunctionoftheProcessWorkElementandProcessCharacterist