资源描述：
《DFMEA_Liteon_Taipei.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、DFMEADesignFailureModeEffectsAnalysisOctober2002PresentedbySteveAireyPMObjectiveTounderstandtheuseofDFMEAwithintheprocessofpowersupplyproductdevelopmentLearnhowtodevelopaDFMEAThemainobjectivehereistothoroughlyreviewofallthewaysaproductorprocesscangowrong.Continuouslyseekoutinformat
2、ionfromthefactoryandfield.Evaluatecountermeasurestoavoidtheproblems.Consistentlylearnfrompasterrors.Feedbackdocumentedresultsforallotherteamstoreview.Involvethewholeteamatalltimes.DRWhatisaDFMEA?DFMEAisaprocedurethatallowstheengineeringteamanticipatefailuresandpreventtheiroccurrenc
3、e.CONCEPT.Identify,reviewofallthewaysthedesign,productorprocesscanfail.Thenplantopreventthosefailures.DesignReviewProcess.Review,Review,ReviewCheck,Check,CheckUseoftheDFMEAEvaluatingthepresentcontrolplanforpreventingfailuresoccurring.ForDesignVerificationTesting(DVT).Thiscanhelpest
4、ablishtherequiredtestplanstofollow.Prioritisingtheactionsthatshouldbetakentoimprovetheproduct.DesignConceptSchematicReviewLayoutReviewSimulationResultsDVTResultsCorrolatebetweenexpectedandactualresultsWhatdoesPASSmean?WhyperformaDFMEA?Helpstoidentifypotentialproduct/processfailurem
5、odesIncreasesthelikelihoodthatallproduct/processissueswillbeconsideredDocumentstherationalbehindproduct/processdesignchangesAssistsinthedevelopmentofprocesscontrolplansIsalivingdocument–meaningthatwhennewissuesarefoundtheteamneedstomeet,considertheoptionsforcorrectionandup-datetheD
6、FMEAWhentodotheDFMEA?Ifusinganexistingprogramtoleverage…Atthe1stschematicreviewstageandthen…Up-dateatthe1stPCBlayoutreviewstageForproductionreleasedproducts…AftercompletingaproblemsolvingactivityIfanewdesign…Atdesignconceptstageandthen…Repeatatthe1stschematicreviewstageandthen…Up-d
7、ateatthe1stPCBlayoutreviewstageWhodoestheDFMEA?TheteamapproachisrecommendedTheresponsibledesignengineerisexpectedtoinvolverepresentativesfromelectrical,mechanical,quality,production,productiontest,sales,designtesting,reliability,safety,purchasingIcantellyoueverythingthatIknowAsatea
8、mwehavealotmoreknowledge&e
