飞利浦失效模式与效应分析(英文版)课件

PhilipsFMEA

FailureModeandEffectAnalysis

PhilipsFMEA

FailureMode1ContentofthecourseIntroductionProduct-FMEABlockdiagram,functiontreeProcess-FMEAProcess-flowdiagram(macro-level),micro-levelFacilitatorskillsContentofthecourseIntroduct2FMEA–IntroductionWhyFMEA’s?Definition,Purpose,Types,BenefitsTeamApproachFMEA-PhilipsIntroductionFMEA–IntroductionWhyFMEA’s?3WhyFMEA’s?Appropriaterecommendedactionsmaynothavebeentaken.Savingsinengineeringtime.Reductionofchangesimmediatelybeforeproductionstart(CommercialRelease).WhyFMEA’s?Appropriaterecomme4FMEA–DefinitionIdentifypotentialfailuremodesPrioritizeactionsDocumenttheprocess.Structuredgroupofactivitieswhich...FMEA–DefinitionIdentifypote5FMEA–PurposeFailuresTimeCR(Productionstart)FMEAFMEA–PurposeFailuresTimeCRF6RateseverityoffailuremodesIdentifyactionstoreduceoccurenceTestadequacyofcontrolsFMEA–PurposeFMEA’sareintendedto...

Rateseverityoffailuremodes7FMEA–Types

OpticalProduct-FMEA

MechanicalProcess-FMEA

ElectricalMechanicalElectricalOpticalFMEA–TypesOpticalProduct-8FMEASessionsFMEAonEVTModelFMEAonFirstMechanicalWorkingModelFMEAonPartFilesFMEAonL1Board(ftboL2)FMEAonL0Board(ftboL1)FMEAonL0Schematics(ftboL0)FMEAonArchitecturesMechanicalElectricalFMEAonchosenArchitectureFMEASessionsFMEAonFMEAonFME9Benefits–Product-FMEA’sAssessfailuremodeeffectsonallcustomers.AidsinevaluatingtestspecificationsEvaluationofdesignrelatingto DFM DFA DFTIncreasesthepossibilitytodetectpossiblefailuremodes.ProcesProductBenefits–Product-FMEA’sAsses10Voordelen–Proces-FMEA’sAssesseffectsonallcustomersIdentifiespotentialmanufacturingandassemblycausestofocuscontrolsonreducingoccurrenceorincreasingdetection.DesignProcesVoordelen–Proces-FMEA’sAsses11GeneratingFMEA’sFMEAsWhoinitiates?FailureModeandEffectAnalysisWhoupdates?WhoisFMEA-customer?Startingdate/

revisiondate?Whencompleted?Howdocu-mented?Whentodiscard?Whoprepares?GeneratingFMEA’sFMEAsWhoini12ManagingFMEA’sModificationtoaproductorprocessisplannedComponentistobeusedinnewenvironmentCustomerrejectionsFMEA’sarelivingdocumentsandareupdated...ManagingFMEA’sModificationt13FMEA–TeamApproachCore-

teamSupport-

teamFMEA–TeamApproachCore-

team14Product-FMEA–ContentDefineFMEA-teamDefinescopeDescribefunctionsBrainstormingFunctionTreesPhilipsProduct-FMEAContentProduct-FMEA–ContentDefineF15Product-FMEA–TeamDesign-

EnginieerProduction/

process-enginieerCore-

team

Representitivesfrom:developmentproductionqualitypurchasetestdept....Support

teamFacilitatorProduct-FMEA–TeamDesign-

Eng16Product-FMEA–ScopeCreateBlockdiagramIdentifythebounderyforAnalysisConfirmcompositionofsupportteam.Oncecoreteamisestablished...Product-FMEA–ScopeCreateBlo17BlockdiagramComponent/

AssemblyPartXPartYPartZServiceOthersystemsAssemblyUserScrewWeldAdhesiveBlockdiagramComponent/

Assembl18Exampleblockdiagram(SettopWildfire)FrontKlickedDisplayPCBPSUSmartcardPCBFrameCoverKlickedKlickedScrewedScrewedExampleblockdiagram(SettopW19DetermineFunctionsDescribestheintentofthedesignMustbemeasurebleorsetatanactionablelevelRepresentsallwants,bothspokenandunspoken.Whatarethefunctionsofthedesign?DetermineFunctionsDescribest20VerbIndicatesaction,occurrence,being

Generate Control Display NounIndicateswhattheactionrelatestoDescribeFunctionlightspeedinformation VerbIndicatesaction,occurren21DescribeFunctionsThoughtstarters...SatisfyuserAttractuserGuaranteedurabilityEasytorepareSafetyrequirementsDescribeFunctionsThoughtstar22BrainstormingBrainstorming23FunctiontreeProvidesanorganizedapproachtoidentifytheessentialfeaturesofaproductDefinesallspokenandunspokenrequirementsProvidestheteamwithaclearoverviewofallthefunctionsoftheproduct.FunctiontreeProvidesanorgan24FirstlevelSecondLevelConstructingFunctiontreesThirdLevelHOW?WHY?FirstSecondConstructingFuncti25DisplayInformationFunctiontree–Frontbutton(Settop)HOW?Mustbeprintableandresistancetewear.PQR-Cleantest.Tekstclearlyvisibleafterx-timescleaning.WHY?DisplayFunctiontree–Frontbut26GuidelinesBrainstormallfunctions(VERB-NOUN)Documentindividualfunctionsbyasking “Howisthisfunctionachieved?”Repeatlefttoright,untilactionablelevelWorkrighttoleftandcheckstructurebyasking“Whyisthisfunctionincluded?”GuidelinesBrainstormallfunct27Product-FMEA–FunctionsDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testMCMLPProduct-FMEA–FunctionsDescri28PotentialfailureModesNofunctionPartialfunction

FailureModeType ExampleNotoperationalNotalloffunctionoperating

PotentialfailureModesNofunc29FailureModes:FrontbuttonNofunction NotekstavailablePartialfunction TekstpartialavailableFunction:Tekstclearvisibleafter100xcleaning.FailureModeType

ExampleFailureModes:FrontbuttonNof30Product-FMEA–ModesoffailureDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPProduct-FMEA–Modesoffailur31EffectsfailureWhataretheeffectsofthefailurerelatingto:-anotherpart-thecompleteassembly-thecustomer-theenduser-thegovernmentalregulationsEffectsfailureWhataretheef32Product-FMEA–TabelofeffectsFailureModeTekstunread-ableFrontbuttonCompleteAssemblyDifficulttosaleCustomerDissatisfiedEnduserDissatisfiedGovernmentalregulationNoneAnotherpartNoneProduct-FMEA–Tabelofeffect33Product-FMEA–EffectsoffailureDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedProduct-FMEA–Effectsoffail34Severity(Weightfactor)Whatistheseverityoftheeffects?Severity(Weightfactor)Whatis35Criteria:SeverityofeffectClassEffectAcceptedfailureDNoneSafetyfailureSUnacceptableriskNon-conformingwithsafetyCorrectionisnescessaryARelativebigriskCorrectieisrecommendedBrisicoCorrectieisnuttigCRatingcriteriavoorSeverity(Weightfactor)MinimumriskCorrectieisusefullCCriteria:SeverityofeffectCl36

Frontbutton/TekstreadableafterPQR-testFailureMode

TekstunreadableEffects

Assembly:unsaleable (A)Customer:Dissatisfied (A)Gov.Reg.:None (D)ARatingofWeightfactor–exampleSev.PartFunctionFailureEffects

ARatingofWe37Product-FMEA–WeightfactorDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedAProduct-FMEA–WeightfactorDes38PotentialCauseofFailure

Aweaknessinthedesignwithafailuremodeaseffect.PotentialCauseofFailure39ManufacturingmisbuildsDuetodesignDeficiencies+-+-ManufacturingmisbuildsDueto40ManufacturingmisbuildsRobustDesign+-+-ManufacturingmisbuildsRobust41UseFishboneDiagramCauseoffailureTekstunreadableInktofpoorqualityTekstonwronglocationUseFishboneDiagramCauseoff42Causeoffailure–“Why”-ladderDesignrequirementWHY?level1TekstunreadableWHY?level2WHY?level3Inktdoesn’tstickSurfaceroughnessnotok.Causeoffailure–“Why”-ladde43SentencingTechniqueFailureModeCouldresultinEffectDuetoCauseSentencingTechniqueFailureCo44SentencingTechnique-ExampleTekstunreadableCouldresultinDissatisfiedcustomerDuetoSurfaceroughness(designreq.)SentencingTechnique-Example45Product-FMEA–CauseDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedATekstonwronglocationProduct-FMEA–CauseDescriptio46Product-FMEA–OccurrenceWhatisthepossibilitythatthefailureoccurrs?Product-FMEA–OccurrenceWha47PossibleFailureRatesRankingProbabilityoffailure>1of20VeryhighModerate>1of400>1of15000Low<1of1500045321Ratingcriteriaoccurrence³1of3PossibleFailureRatesRankingP48Product-FMEA–OccurrenceDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedATekstonwronglocation5Product-FMEA–OccurrenceDescr49Produkt-FMEA–Action/SolutionWhatarepossibleactionsto: -eliminatethefailure -reduceeffect -reduceoccurrence.Produkt-FMEA–Action/Solution50Product-FMEA–Action/SolutionDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedATekstonwronglocation5NotekstonbuttonsJDProduct-FMEA–Action/Solution51DefineEvolutionfactorCausenotknown 4Solutionnotknown 3Solutionnotevaluated 2Solutionnotimplemented 1Solutionimplemented 0DefineEvolutionfactorCausen52Product-FMEA–EvolutionfactorDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedATekstonwronglocation5NotekstonbuttonsJD1Product-FMEA–Evolutionfactor53RiskevaluationSeverity(Weightfactor)OccurrenceEvolutionfactorRiskmaturity-grid

RiskevaluationSeverity(Weigh54MaturityGridWeightFactorEvolutionFactorEvolutionFactorSABCD012340123437545123MaturityGridWeightFactorEvo55Product-FMEA–Electrical(Example)DescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.PFrontendTunerPut-throughselectedsignal(SD12XX)Tunergetsdisturbedbynoisegeneratedby14-18VgenerationTunergivesbadsignalthroughALowfrequentnoiseisnotfiltered5MLMCAddbeadinLNBAline,rightnexttotunerGD2Product-FMEA–Electrical(Ex56Proces-FMEA–ContentFMEA-teamDefinescopeDescribefunctionsPhilipsProces-FMEAContentProces-FMEA–ContentFMEA-te57Proces-FMEA–TeamProduction/-

process-engineerDesign-engineerCore-

team

Representativesof:ProductdevelopmentProcess-developmentProductionQualityPurchaseOwnerofthenextprocess….Support-

teamFacilitatororapplicationengineerProces-FMEA–TeamProduction/-58Process-FMEA–ScopeCreateflow-diagramDefinescopeDefinesupport-team.Process-FMEA–Scope59Process-FMEA–(Example)DescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.PGlueGluewithcyano-acrylateJoinpartsCyanoacrylatenotwellcuredLifetimeproblemsAGluevolumetohigh5MLMCUseactivatorJD2Process-FMEA–(Example)Descri60FMEA

Tasks&Responsibilities.FMEA

Tasks&Responsibilities61FMEA–TeamleaderPreparationoftheFMEA-sessiondistributionoftheproducttotheparticipants1or2weeksbeforethemeetingtogatheralltherelevantinformation.Prepare(fill-in)FMEA-worksheetasgoodaspossible(functions,failuremodes,...)Tasksoftheteamleader:FMEA–TeamleaderPreparationo62FMEA–TeamleaderPreparationoftheFMEA-session:Distribute/displayimportantinformation:agenda,FMEA-methodDefinetasksoftheteam-members:Whoistheteamleader,facilitator,timekeeper,secretary?Tasksoftheteamleader:FMEA–TeamleaderPreparationo63FMEA–FacilitatorHelpspreparingtheFMEA-sessionSupportstheteamleaderTakescarethatFMEA-metholodgyiscorrectlyusedTakescareoftheteam-process.Tasksofthefacilitator:FMEA–FacilitatorHelpsprepar64FMEA–FacilitatorPreparationoftheFMEA-sessionpreparationtogetherwiththeteam-leaderdefineagendaforthemeetingproduct-FMEA:createblockdiagramprocess-FMEA:createflowdiagramdefineparticipants(6-8persons).Tasksofthefacilitator:FMEA–FacilitatorPreparation65FMEA–FacilitatorSupportingtheteamleader:theteamleaderisfocussedontheproject(timing,technicalsollutions,…).ThefacilitatortakescareforcorrectapplyingoftheFMEA-proces.SupportstheteamleaderwiththepreparationofthemeetingandduringtheFMEA-session.Tasksofthefacilitator:FMEA–FacilitatorSupportingt66FMEA–FacilitatorTakingcareforcorrectapplyingFMEA-metholodgy:arefunktionscorrectwrittendown(verb/noun)?areallfailuremodesmentioned,listed?areeffectsofthefailuremodescorrect?(noconfusionbetweencausesandeffects).Tasksofthefacilitator:FMEA–FacilitatorTakingcare67FMEA–FacilitatorTakingcareforcorrectapplyingFMEA-metholodgy:Isforeacheffectaweigthfactormentioned,foreachcausetheprobabilityandforeachsollutiontheevolutionfactordefinedIstheFMEA-worksheetcompletelyfilled-in(actions,responsibleperson,date)?Tasksofthefacilitator:FMEA–FacilitatorTakingcare68FMEA–FacilitatorTakingcareforcorrectapplyingFMEA-metholodgy:don’tloosetimewithlongdiscussionsaboutseverityandprobability.Incaseofdoubt,takethe‘worstcase’.Tasksofthefacilitator:FMEA–FacilitatorTakingcare69FMEA–FacilitatorTakingcarefortheTEAM-process:Arethedifferentteamrolesdefinedbytheteamleader.WhoistheTeamleader?Facilitator?Timekeeper?Secretary?Tasksofthefacilitator:FMEA–FacilitatorTakingcare70FMEA–FacilitatorTakingcarefortheTEAM-process:AreallteammembersparticipatingindiscussionsAvoidlongdiscussionsbetween2persons,don’tlookforsollutions.(discussdifficultitemsinasmallgroupseparately)An‘open-climate’duringthemeetingisveryimportant(don’tlookfor‘guiltypersons’,trytoknowterealproblems,…)Tasksofthefacilitator:FMEA–FacilitatorTakingcare71FMEA

Software-toolsatPhilipsFMEASoftware-toolsat72FMEALibraryDesignerConsulttheLibrarySearchforsolutionsConsultFMEAToolFMEAReportsFollow-upactionsFMEASessionConsultFillinFMEAFacilitatorFMEAMaintenanceteamMaintaintheFMEALibraryFiltertheremarks"POOL"ofremarks

QualityEngineeringDevelopmentPurchasingOrg.andEff.Proc.Impr.TeamNewRemarksFMEALibraryDesignerConsultth73

PhilipsFMEA

FailureModeandEffectAnalysis

PhilipsFMEA

FailureMode74ContentofthecourseIntroductionProduct-FMEABlockdiagram,functiontreeProcess-FMEAProcess-flowdiagram(macro-level),micro-levelFacilitatorskillsContentofthecourseIntroduct75FMEA–IntroductionWhyFMEA’s?Definition,Purpose,Types,BenefitsTeamApproachFMEA-PhilipsIntroductionFMEA–IntroductionWhyFMEA’s?76WhyFMEA’s?Appropriaterecommendedactionsmaynothavebeentaken.Savingsinengineeringtime.Reductionofchangesimmediatelybeforeproductionstart(CommercialRelease).WhyFMEA’s?Appropriaterecomme77FMEA–DefinitionIdentifypotentialfailuremodesPrioritizeactionsDocumenttheprocess.Structuredgroupofactivitieswhich...FMEA–DefinitionIdentifypote78FMEA–PurposeFailuresTimeCR(Productionstart)FMEAFMEA–PurposeFailuresTimeCRF79RateseverityoffailuremodesIdentifyactionstoreduceoccurenceTestadequacyofcontrolsFMEA–PurposeFMEA’sareintendedto...

Rateseverityoffailuremodes80FMEA–Types

OpticalProduct-FMEA

MechanicalProcess-FMEA

ElectricalMechanicalElectricalOpticalFMEA–TypesOpticalProduct-81FMEASessionsFMEAonEVTModelFMEAonFirstMechanicalWorkingModelFMEAonPartFilesFMEAonL1Board(ftboL2)FMEAonL0Board(ftboL1)FMEAonL0Schematics(ftboL0)FMEAonArchitecturesMechanicalElectricalFMEAonchosenArchitectureFMEASessionsFMEAonFMEAonFME82Benefits–Product-FMEA’sAssessfailuremodeeffectsonallcustomers.AidsinevaluatingtestspecificationsEvaluationofdesignrelatingto DFM DFA DFTIncreasesthepossibilitytodetectpossiblefailuremodes.ProcesProductBenefits–Product-FMEA’sAsses83Voordelen–Proces-FMEA’sAssesseffectsonallcustomersIdentifiespotentialmanufacturingandassemblycausestofocuscontrolsonreducingoccurrenceorincreasingdetection.DesignProcesVoordelen–Proces-FMEA’sAsses84GeneratingFMEA’sFMEAsWhoinitiates?FailureModeandEffectAnalysisWhoupdates?WhoisFMEA-customer?Startingdate/

revisiondate?Whencompleted?Howdocu-mented?Whentodiscard?Whoprepares?GeneratingFMEA’sFMEAsWhoini85ManagingFMEA’sModificationtoaproductorprocessisplannedComponentistobeusedinnewenvironmentCustomerrejectionsFMEA’sarelivingdocumentsandareupdated...ManagingFMEA’sModificationt86FMEA–TeamApproachCore-

teamSupport-

teamFMEA–TeamApproachCore-

team87Product-FMEA–ContentDefineFMEA-teamDefinescopeDescribefunctionsBrainstormingFunctionTreesPhilipsProduct-FMEAContentProduct-FMEA–ContentDefineF88Product-FMEA–TeamDesign-

EnginieerProduction/

process-enginieerCore-

team

Representitivesfrom:developmentproductionqualitypurchasetestdept....Support

teamFacilitatorProduct-FMEA–TeamDesign-

Eng89Product-FMEA–ScopeCreateBlockdiagramIdentifythebounderyforAnalysisConfirmcompositionofsupportteam.Oncecoreteamisestablished...Product-FMEA–ScopeCreateBlo90BlockdiagramComponent/

AssemblyPartXPartYPartZServiceOthersystemsAssemblyUserScrewWeldAdhesiveBlockdiagramComponent/

Assembl91Exampleblockdiagram(SettopWildfire)FrontKlickedDisplayPCBPSUSmartcardPCBFrameCoverKlickedKlickedScrewedScrewedExampleblockdiagram(SettopW92DetermineFunctionsDescribestheintentofthedesignMustbemeasurebleorsetatanactionablelevelRepresentsallwants,bothspokenandunspoken.Whatarethefunctionsofthedesign?DetermineFunctionsDescribest93VerbIndicatesaction,occurrence,being

Generate Control Display NounIndicateswhattheactionrelatestoDescribeFunctionlightspeedinformation VerbIndicatesaction,occurren94DescribeFunctionsThoughtstarters...SatisfyuserAttractuserGuaranteedurabilityEasytorepareSafetyrequirementsDescribeFunctionsThoughtstar95BrainstormingBrainstorming96FunctiontreeProvidesanorganizedapproachtoidentifytheessentialfeaturesofaproductDefinesallspokenandunspokenrequirementsProvidestheteamwithaclearoverviewofallthefunctionsoftheproduct.FunctiontreeProvidesanorgan97FirstlevelSecondLevelConstructingFunctiontreesThirdLevelHOW?WHY?FirstSecondConstructingFuncti98DisplayInformationFunctiontree–Frontbutton(Settop)HOW?Mustbeprintableandresistancetewear.PQR-Cleantest.Tekstclearlyvisibleafterx-timescleaning.WHY?DisplayFunctiontree–Frontbut99GuidelinesBrainstormallfunctions(VERB-NOUN)Documentindividualfunctionsbyasking “Howisthisfunctionachieved?”Repeatlefttoright,untilactionablelevelWorkrighttoleftandcheckstructurebyasking“Whyisthisfunctionincluded?”GuidelinesBrainstormallfunct100Product-FMEA–FunctionsDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testMCMLPProduct-FMEA–FunctionsDescri101PotentialfailureModesNofunctionPartialfunction

FailureModeType ExampleNotoperationalNotalloffunctionoperating

PotentialfailureModesNofunc102FailureModes:FrontbuttonNofunction NotekstavailablePartialfunction TekstpartialavailableFunction:Tekstclearvisibleafter100xcleaning.FailureModeType

ExampleFailureModes:FrontbuttonNof103Product-FMEA–ModesoffailureDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPProduct-FMEA–Modesoffailur104EffectsfailureWhataretheeffectsofthefailurerelatingto:-anotherpart-thecompleteassembly-thecustomer-theenduser-thegovernmentalregulationsEffectsfailureWhataretheef105Product-FMEA–TabelofeffectsFailureModeTekstunread-ableFrontbuttonCompleteAssemblyDifficulttosaleCustomerDissatisfiedEnduserDissatisfiedGovernmentalregulationNoneAnotherpartNoneProduct-FMEA–Tabelofeffect106Product-FMEA–EffectsoffailureDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedProduct-FMEA–Effectsoffail107Severity(Weightfactor)Whatistheseverityoftheeffects?Severity(Weightfactor)Whatis108Criteria:SeverityofeffectClassEffectAcceptedfailureDNoneSafetyfailureSUnacceptableriskNon-conformingwithsafetyCorrectionisnescessaryARelativebigriskCorrectieisrecommendedBrisicoCorrectieisnuttigCRatingcriteriavoorSeverity(Weightfactor)MinimumriskCorrectieisusefullCCriteria:SeverityofeffectCl109

Frontbutton/TekstreadableafterPQR-testFailureMode

TekstunreadableEffects

Assembly:unsaleable (A)Customer:Dissatisfied (A)Gov.Reg.:None (D)ARatingofWeightfactor–exampleSev.PartFunctionFailureEffects

ARatingofWe110Product-FMEA–WeightfactorDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedAProduct-FMEA–WeightfactorDes111PotentialCauseofFailure

Aweaknessinthedesignwithafailuremodeaseffect.PotentialCauseofFailure112ManufacturingmisbuildsDuetodesignDeficiencies+-+-ManufacturingmisbuildsDueto113ManufacturingmisbuildsRobustDesign+-+-ManufacturingmisbuildsRobust114UseFishboneDiagramCauseoffailureTekstunreadableInktofpoorqualityTekstonwronglocationUseFishboneDiagramCauseoff115Causeoffailure–“Why”-ladderDesignrequirementWHY?level1TekstunreadableWHY?level2WHY?level3Inktdoesn’tstickSurfaceroughnessnotok.Causeoffailure–“Why”-ladde116SentencingTechniqueFailureModeCouldresultinEffectDuetoCauseSentencingTechniqueFailureCo117SentencingTechnique-ExampleTekstunreadableCouldresultinDissatisfiedcustomerDuetoSurfaceroughness(designreq.)SentencingTechnique-Example118Product-FMEA–CauseDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedATekstonwronglocationProduct-FMEA–CauseDescriptio119Product-FMEA–OccurrenceWhatisthepossibilitythatthefailureoccurrs?Product-FMEA–OccurrenceWha120PossibleFailureRatesRankingProbabilityoffailure>1of20VeryhighModerate>1of400>1of15000Low<1of1500045321Ratingcriteriaoccurrence³1of3PossibleFailureRatesRankingP121Product-FMEA–OccurrenceDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedATekstonwronglocation5Product-FMEA–OccurrenceDescr122Produkt-FMEA–Action/SolutionWhatarepossibleactionsto: -eliminatethefailure -reduceeffect -reduceoccurrence.Produkt-FMEA–Action/Solution123Product-FMEA–Action/SolutionDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedATekstonwronglocation5NotekstonbuttonsJDProduct-FMEA–Action/Solution124DefineEvolutionfactorCausenotknown 4Solutionnotknown 3Solutionnotevaluated 2Solutionnotimplemented 1Solutionimplemented 0DefineEvolutionfactorCausen125Product-FMEA–EvolutionfactorDescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.FrontButtonTekstclearvisibleafterPQR-testTekstunread-ableMCMLPAssemblynotpossibletosaleCustomerdissatisfiedATekstonwronglocation5NotekstonbuttonsJD1Product-FMEA–Evolutionfactor126RiskevaluationSeverity(Weightfactor)OccurrenceEvolutionfactorRiskmaturity-grid

RiskevaluationSeverity(Weigh127MaturityGridWeightFactorEvolutionFactorEvolutionFactorSABCD012340123437545123MaturityGridWeightFactorEvo128Product-FMEA–Electrical(Example)DescriptionLevel1DescriptionLevel2FunctionModeofFailureEffectCauseAction/SolutionResp.PFrontendTunerPut-throughselectedsignal(SD12XX)Tunergetsdisturbedbynoisegeneratedby14-18VgenerationTunergivesbadsignalthroughALowfrequentnoiseisnotfiltered5MLMCAddbeadinLNBAline,rightnexttotunerGD2Product-FMEA–Electrical(Ex129Proces-FMEA–ContentFMEA-teamDefinescopeDescribefunctionsPhilipsProces-FMEAContentProces-FMEA–ContentFMEA-te130Proces-FMEA–TeamProduction/-

process-engineerDesign-engineerCore-

team

Representativesof:ProductdevelopmentProcess-developmentProductionQualityPurchaseOwnerofthenextprocess….Support-

teamFacilitatororapplicationengineerProces-FMEA–TeamProduction/-131Process-FMEA–ScopeCreateflow-diagramDefinescopeDefinesupport-team.Process-FMEA–Scope132Process-FMEA–(Example)DescriptionLevel1DescriptionLevel2FunctionModeof