PFMEA培训教材

PFMEA2020/5/7ProcessFailureModeandEffectsAnalysis过程失效模式及后果分析(PFMEA)PFMEAPFMEA陶国PFMEA2020/5/7ProprietaryInformation专有信息YourFMEA(ControlPlan,ProcessCapability,etc.)maybeconsideredproprietaryandshouldnotbesharedwithanyoneoutsidethedivisionwithoutfirstconsultingyourmanagement.FMEA(控制计划、过程能力等)可视为专有信息，在未事先征得管理部门同意之前，不得向部门以外的任何人透露。thisincludesthesharingofinformationwithyourcustomer也不得向顾客透露有关信息。PFMEA2020/5/7FormsandFormats形式和格式Yourcustomermighthaveaspecificformatorformthattheyrequire.Ifso,youwillneedtogettheirwrittenapprovaltouseanalternateformat.顾客可能要求特定的格式或表单。如果是这样，你只有征得他们的书面同意，才能采用其它格式。PFMEA2020/5/7ProcessFMEA过程FMEA何谓PFMEA何时作PFMEA何人作PFMEA如何作PFMEA16步工作步骤PFMEA2020/5/7ProcessFMEA过程FMEA何谓PFMEA何时作PFMEA何人作PFMEA如何作PFMEA16步工作步骤PFMEA2020/5/7ProcessFMEA过程FMEAananalyticaltoolusedbyaprocessdesignteamtoidentifypotentialproductfailurescausedbyfailureofthemanufacturingandassemblyprocesstomeetrequirements,andidentifycorrectiveactionstobetaken是过程设计小组采用的一种分析方法，用于识别由于制造或装配过程的失效而导致的潜在产品失效模式，并确定所应采取的纠正措施。PFMEA2020/5/7formalprocess正式程序customerfocused着眼于顾客usesengineeringjudgment,andharddatawhereitisavailable利用工程经验判断和可靠的数据ProcessFMEA过程FMEAPFMEA2020/5/7PFMEAisfocussedontheProductPFMEA关注对产品的影响PFMEAisfocussedonthePRODUCT.Namely,howthePROCESScancauseflawsorvariationinthePRODUCT.ProcessFMEA过程FMEAPFMEA2020/5/7ProcessFMEA过程FMEA何谓PFMEA何时作PFMEA何人作PFMEA如何作PFMEA16步工作步骤PFMEA2020/5/7WhendowedoaPFMEA?何时进行PFMEA？Whilethereisstilltimetobringaboutchangesintheprocessandintheproduct!当还有时间修改产品及工艺设计时！APFMEAdonesolelytofilloutaformandmeet“requirements”isjustanexercise为了满足QS9000要求而填写PFMEA表格，仅是练习而已PFMEA2020/5/7PFMEAisanoutputoftheProcessDesignandDevelopmentphaseofAPQPPFMEA是APQP中“过程设计和开发”阶段的产物WhendowedoaPFMEA?何时进行PFMEA？PFMEA2020/5/7ItisderivedfromaDFMEA在DFMEA之后进行AnyDFMEAformsandsupportingdocumentsshoudbebroughttothePFMEAmeetingsDFMEA表单和所有相关文件都应带入PFMEAItshouldbeanaturalpartofconceptdevelopment应成为过程设计的一个必要组成部分PFMEAisnever“finished”.itisalivingdocument是动态文件WhendowedoaPFMEA?何时进行PFMEA？PFMEA2020/5/7DoaPFMEA(oratleastreviewtheoldone)if:以下情况需进行PFMEA(或至少评审过去的PFMEA)：theprocessisnew是新的过程theproductisnew,orhasneverbeenmadewiththisprocess新产品，或从未用本过程加工的产品anexistingprocesschanges原有的过程发生变化customerrequirementsordesireschange顾客要求或希望发生变化WhendowedoaPFMEA?何时进行PFMEA？PFMEA2020/5/7DoaPFMEA(oratleastreviewtheoldone)if:以下情况需进行PFMEA(或至少评审过去的PFMEA)：thecompetitive,business,orlegalenvironmentchanges竞争环境、业务环境或法律环境发生变化PPAPconditionsapply需提交PPAPactualfailuresoccur发生实际失效WhendowedoaPFMEA?何时进行PFMFA？PFMEA2020/5/7ProcessFMEA过程FMEA何谓PFMEA何时作PFMEA何人作PFMEA如何作PFMEA16步工作步骤PFMEA2020/5/7WhoperformsaPFMEA?由谁进行PFMEA？Across-functionalteamshouldbeused由跨部门小组进行Theleadershouldbetheprocess-responsibleengineer小组组长应是过程设计责任工程师PFMEA2020/5/7Cross-FunctionalTeam跨部门小组5-9peoplefrom，5-9人，由从事如下工作的人员组成Design，设计Assembly，装配manufacturing(operators,supervisors)，制造(操作工，班组长)Industrial,mfg.Andtoolengineering，工业工程，工艺及工装设计quality，质量管理materialsengineering，材料工程Servicepersonnel，机修Supplierofproductandmachinery，零件和设备供应商Representativesfromthenextprocess,后续工序代表PFMEA2020/5/7ProcessFMEA过程FMEA何谓PFMEA何时作PFMEA何人作PFMEA如何作PFMEA16步工作步骤PFMEA2020/5/7HowdowedoaPFMEA?ASummary怎样进行PFMEA？提要Assemblethecross-functionalPFMEAteam组建跨部门PFMEA小组Listthefailuremodes,theireffects,andtheircauses列出失效模式，后果以及原因PFMEA2020/5/7Assess，评估theseverityoftheeffect(S)后果的严重程度thelikelihoodofthecauses(O)原因出现的可能性andtheabilityofprocesscontrolstodetectfailuremodesand/ortheircauses(D)过程控制探测失效模式和/或原因的能力HowdowedoaPFMEA?ASummary怎样进行PFMEA？提要PFMEA2020/5/7Calculatetheriskprioritynumber(RPN)toprioritizecorrectiveactions计算风险顺序数(RPN)以确定应优先采取的纠正措施Plancorrectiveactionsandassignowner制订纠正措施并落实责任人Performcorrectiveactionstoimprovetheproductorprocess,采取纠正措施以提高产品和过程质量RecalculateRPN重新估算RPNHowdowedoaPFMEA?ASummary怎样进行PFMEA？提要PFMEA2020/5/7HowdowedoaPFMEA?ASuggestion怎样进行PFMEA？建议Doyourworkonscratchpaperfirst;astheteamreachesconsensus,recordtheinformationontheFMEAform先在一张草稿纸上进行分析；当小组达成一致意见后，再将有关信息填在FMEA表上usefishboneandtreediagramsliberally充分利用鱼刺图和树形图tryingtousetheFMEAformasaworksheetleadstoconfusionandmessed-upFMEAs若将FMEA表当做工作单使用，就会造成混乱，使FMEA一塌糊涂PFMEA2020/5/7ProcessFMEA过程FMEA何谓PFMEA何时作PFMEA何人作PFMEA如何作PFMEA16步工作步骤PFMEA2020/5/71.Assembleateamandplanyouractivities成立小组并制订计划PFMEAmustneverbedonebyanindividual,because绝不能由个人单独进行PFMEA，因为：individualeffortsproducebiasedresults,由个人进行会使结果出现偏差anyactionswillrequirebuy-infromvariousgroups进行任何活动，都需要从不同的组织取得信息PFMEA2020/5/7Oneperson(e.g.theleader)shouldbeassignedtomaintainingtheFMEAform应指定一个人(如组长)保管FMEA表格BesuretowritethenamesandfunctionsoftheteammembersontheFMEAform应将小组成员的姓名和职责填入FMEA表格1.Assembleateamandplanyouractivities成立小组并制订计划PFMEA2020/5/72.Developaprocessflowdiagram绘制过程流程图UsetheProcessFlowDiagramformat运用正规的过程流程图identifiesfabricate,move,storeandinspectoperations辨别四种作业类型identifiesKeyCharacteristics辨别关键特性PFMEA2020/5/7Supplier________________Date_______________PartNumber_____________RevisionLevel______PartDescription__________Preparedby_________pressuremoldpartfabmovestoreinspstepoper.descr.item