TheFMEA4thEditionisareferencemanualtobeusedbysupplierstoChryslerLLC,FordMotorCompany,andGeneralMotorsCorporationasaguidetoassisttheminthedevelopmentofbothDesignandProcessFMEAs.Themanualdoesnotdefinerequirements;itisintendedtoclarifyquestionsconcerningthetechnicaldevelopmentofFMEAs.ThismanualisalignedwithSAEJ1739
TABLEOFCONTENTS
GeneralChanges.................................................................................i
Chapter.................................................................................................1
GeneralFMEAGuidelines.................................................................1
Introduction...........................................................................................2
FMEAProcess......................................................................................2
PurposeofManual.............................................................................3
ScopeofManual...............................................................................4
ImpactonOrganizationandManagement.....................................4
FMEAExplained..................................................................................5
Follow-upandContinuousImprovement.......................................6
ChapterII...............................................................................................7
OverviewofFMEAStrategy,PlanningandImplementation.........7
Introduction.........................................................................................8
BasicStructure....................................................................................8
Approach.............................................................................................8
IdentifytheTeam..............................................................................9
DefinetheScope.............................................................................10
DefinetheCustomer.......................................................................11
IndentifyFunctions,Requirements,andSpecifications............11
IdentifyPotentialFailureModes....................................................12
IdentifyPotentialEffects...............................................................12
IdentifyPotentialCauses.............................................................12
IdentifyControls.............................................................................13
IdentifyingandAssessingRisk.................................................13
RecommendedActionsandResults.......................................13
ManagementResponsibility........................................................14
ChapterIII........................................................................................15
DFMEADesignFailureModeandEffectsAnalysis...............15
Introduction...................................................................................16
CustomerDefined........................................................................16
TeamApproach...........................................................................17
Manufacturing,AssemblyandServiceabilityConsiderations.....17
DevelopmentofaDesignFMEA.......................................................18
Prerequisites........................................................................................18
Block(Boundary)Diagrams..............................................................18
Parameter(P)Diagrams..............................................................21
FunctionalRequirements............................................................22
OtherToolsandInformationResources.................................22
ExampleDFMEA...........................................................................25
HeaderoftheDesignFMEAForm(fieldsA-H)...................25
BodyoftheDFMEAForm(fieldsa–n)..............................29
MaintainingDFMEAs...................................................................64
LeveragingDFMEAs..............................................................65
Linkages...............................................................................65
DesignVerificationPlan&Report(DVP&R)...................66
PFMEA.....................................................................................66
ChapterIV..................................................................................67
PFMEAProcessFailureModeandEffectsAnalysis..........67
Introduction.............................................................................68
CustomerDefined...............................................................69
TeamApproach..................................................................69
DesignConsiderations....................................................69
DevelopmentofaProcessFMEA..................................70
Prerequisites.....................................70
ProcessFlowDiagramandlinkagetoPFMEA...............70
OtherToolsandInformationSources............................73
ResearchInformation.....................................................73
ExamplePFMEAForm...................................................75
HeaderoftheProcessFMEAForm(fieldsA-H)........75
BodyofthePFMEAForm(fieldsa–n)......................77
MaintainingPFMEAs...................................................110
LeveragingPFMEAs.........................................................110
Linkages.........................................................................111
ToDFMEA................................................................111
ToControlPlan........................................................112
APPENDICES.........................................................113
AppendixA:SampleForms....................................114
DFMEAForms.........................................................114
PFMEAForms....................................................121
AppendixB:SystemLevelFMEA....................130
Interfaces...........................................................131
Interactions.....................................................131
Relationships................................................133
MultipleLevelsofDesignFMEAs.................133
AppendixC:AlternativeRiskAssessments.........135
AlternativestoRPN........................................................135
Alternative:SO(SxO)...................................................136
Alternative:SOD,SD...................................................136
AppendixD:AlternativeAnalysesTechniques..............137
FailureMode,EffectandCriticalityAnalysis(FMECA)......137
DesignReviewBasedonFailureModes(DRBFM)......137
FaultTreeAnalysis(FTA).................................................137
ReferencesandSuggestedReadings..........................140
Index..................................................................................141 |