FMEA---SAE-J1739---2009

__________________________________________________________________________________________________________________________________________SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.Copyright©2009SAEInternationalAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutthepriorwrittenpermissionofSAE.TOPLACEADOCUMENTORDER:Tel:[phone](insideUSAandCanada)Tel:[phone](outsideUSA)Fax:[phone]Email:[e-mail]:(R)PotentialFailureModeandEffectsAnalysisinDesign(DesignFMEA),PotentialFailureModeandEffectsAnalysisinManufacturingandAssemblyProcesses(ProcessFMEA)RATIONALEWidespreaduseofdesignandprocessFMEAisabenefittoconsumersandmanufacturers.TheapplicationofFMEAhasbeeninplaceintheautomotiveindustrysincethelate1960’swithemphasisonstandardrankingcriteriaandformssincetheearly1990’s.TheFMEAmethodologyhasprovenitselfusefulinthepreventionandmitigationofpotentialfailuremodes.However,agrowingneeddevelopedforimprovedfailuremoderankingcriteriaandachangeinthinkingabouttheuseoftheRiskPriorityNumber(RPN).Thisstandardincludesupdatedrankingchartsandde-emphasizestheuseofanRPNthresholdastheprimaryfactorindeterminingpreventiveorcorrectiveactionefforts.ItalsoincludesaBoundaryDiagramandProcessFlowDiagramexampleasuseofthesetoolshasincreased.ThesectionforPotentialFailureModeandEffectsAnalysisforMachinery(MachineryFMEA)isaformofDesignFMEAandhasbeenremoved.MachineryFMEAisatypeofDesignFMEAforequipment.Therearenumerousbooks,referencemanualsandtrainingreferencesonthesubjectofFMEA.ThisstandardservesasacommonstartingpointforthedevelopmentofaneffectiveDFMEAandPFMEA.FOREWORDTheformerRecommendedPracticeforPotentialFailureModeandEffectsAnalysisinDesign(DFMEA)andPotentialFailureModeandEffectsAnalysisinManufacturingandAssemblyProcesses(PFMEA)hasbeenrevisedandapprovedasaStandard.Assuch,itcontainsrequirementsandrecommendationsforeffectiveuseofDFMEAandPFMEAasapotentialfailureanalysistool.ThisdocumentwasrevisedbyabalancedcommitteeandrepresentscurrentthoughtsandpracticesonthesubjectfromtheviewpointofOEM(OriginalEquipmentManufacturers)andtheirsuppliers.1.SCOPEThisFMEAStandarddescribesPotentialFailureModeandEffectsAnalysisinDesign(DFMEA)andPotentialFailureModeandEffectsAnalysisinManufacturingandAssemblyProcesses(PFMEA).Itassistsusersintheidentificationandmitigationofriskbyprovidingappropriateterms,requirements,rankingcharts,andworksheets.AsaStandard,thisdocumentcontainsrequirements“must”andrecommendations“should”toguidetheuserthroughtheFMEAprocess.TheFMEAprocessanddocumentationmustcomplywiththisStandardaswellasanycorporatepolicyconcerningthisStandard.Documentedrationaleandagreementwiththecustomerisnecessaryfordeviationsinordertojustifynewworkorchangedmethodsduringcustomerorthird-partyauditreviews.Author:Gilligan-SID:1065-GUID:26735608-59.175.172.226SAEJ1739RevisedJAN2009Page2of322.REFERENCES2.1RelatedInformationThefollowingreferenceddocumentsmaybeusefulinconnectionwiththeapplicationofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.2.1.1SAEPublicationAvailablefromSAEInternational,400CommonwealthDrive,Warrendale,PA15096-0001,Tel:[phone](insideUSAandCanada)or724-776-4970(outsideUSA),(FMEA)PracticesforNon-AutomobileApplications,IssuedJuly2001,(ReplacesMIL-STD-1629a)2.1.2IECPublicationAvailablefromInternationalElectrotechnicalCommission,3,ruedeVerambe,P.O.Box131,1211Geneva20,Switzerland,Tel:[phone],–ProcedureforFailureModeandEffectsAnalysis(FMEA),January20062.1.3AIAGPublicationAvailablefromAutomotiveIndustryActionGroup,26200LahserRoad,Suite200,Southfield,MI48034-7100,Tel:[phone],(FMEA)ReferenceManual,ChryslerLLC,FordMotorCompany,GeneralMotorsCorporation,FourthEdition,June20083.TERMSANDDEFINITIONSForthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.3.1BaselineFMEAAbaselineFMEAdocumentcontainsenoughsimilaritieswhencomparedtothenewFMEAproject,topromoteit’susefulnessasastartingpointforthatnewFMEAproject.ThebaselineFMEAisnotprogramspecificanditsuseisoptional.CommonnamesforabaselineFMEAalsoincludeGeneric,BestPractice,andGoldStandard.3.2BlockDiagramTheBlockorBoundaryDiagramisapictorialtooltofacilitateanalysisofsysteminterfacesusuall