FMEA失誤模式和效果分析

1、F.M.E.A.-Failure mode and effect analysis-失誤模式和效果分析A effective tool lead to everything一個有效的工具，百搭F.M.E.A.Origin來源:Middle60sAircraft/spaceindustry飛飛機航航天工業(yè)業(yè)Reliability可可靠性Lateron后后來:Later70s Carindustry汽汽車工業(yè)業(yè)Reliability可可靠性Safety安安全性Carindustrysuppliers 汽車車零件供供應(yīng)商Components quality零零件質(zhì)質(zhì)量Early80s semicon

2、ductorindustryF.M.E.A.Thephilosophybehindit(1):FMEA背后的理理念DOITRIGHTTHEFIRSTTIME第一次就就做好F.M.E.A.Avoid避免:TRIALANDERROR嘗試和失誤Make useofa systematicmethod forimprovement用系統(tǒng)的方方法做改改進Thephilosophybehindit(2):FMEA背后的理理念F.M.E.A.FAILURE PREVENTIONTHROUGHTEAMWORK通過團隊合作作預防失失敗Once we havesamevision, we havealreadya

3、chievedhalf of success一旦擁有有共識，事情已已成功一一半Thephilosophybehindit(3):FMEA背后的理理念F.M.E.A.ConceptDesignProcessTimeResourceforproblem solving工作量紙面Paper硬件MaterialFMEATraditionalF.M.E.A.5 StepofF.M.E.A.Process5 步法法1.What arethegoalorfunctionoftheactivity?待分析的的活動的的目標或或功能是是什么？2.Howdoesitoperate?如何運做做以達到到目標的的？3.W

4、hat cangowrongwith respecttothe goal?針對目標標，會發(fā)發(fā)生什么么問題？4.What aretheweakestpoints(riskevaluation)?哪個是最最弱點(風險評評估）？5.What aretheaction plan?制定行動動計劃F.M.E.A.Format表表格Forlast3 step, we canusethe followingFMEA format最后3步步，可以以填寫下下列FMEA表表格F.M.E.A.Step 1What arethegoalorfunctionoftheactivity?待分析的的活動的的目標或或功能是是什

5、么？Definethe goalofthe processorsolutionasdetailedaspossible明確過程程或方案案的目的的,越越詳細越越好F.M.E.A.Howdoesitoperate?如何運做做以達到到目標的的？Step 2Describeindetailhow to achievethe goalstepbystep,like processflow,new productconcept,new plan, etc.詳細描述述是如何何一步一一步達到到目的的的，例如新的的流程，新的產(chǎn)產(chǎn)品概念念，計劃劃等。F.M.E.A.Step 3What cangowrongwit

6、h respecttothe goal?針對目標標，會發(fā)發(fā)生什么么問題？Everypeopleraisethe questionswhat cangowrongbybrainstorming duringmeeting針對目的的，在會會議上用用頭腦風風暴法法，指出出可能出錯的地地方F.M.E.A.Step 4What aretheweakestpoints(riskevaluation)?哪個是最最弱點？Risk風險=Probability概率率*Severity嚴重性Probabilityandseveritycan be scored1,2,3orL,M,H概率和嚴嚴重性可可以用1，2，3

7、或或高中中低打分分F.M.E.A.Step 5What aretheaction planfor highestrisk?針對高風風險，制制定行動動計劃Preventive actionifprobabilityishighCorrective actionifseverityishighThen PDCA1,概概率大的的問題，制定預預防性措措施2,嚴嚴重的問問題，制制定糾正正性措施施然后進入入PDCA循環(huán)環(huán)F.M.E.A.Flow Chart應(yīng)用流程程Concept designRisk minimum?Next phaseYesNoFMEAActionF.M.E.A.Keysuccessf

8、ulpoint成功要點點(1)：Wherecanweuse FMEA哪哪里可可應(yīng)用FMEA ?Everywherewheresomethingcan go wrong!Ineveryphaseofa project.任何可能能出錯的的地方，項目的的任何階階段AttitudeduringFMEA工工作態(tài)度度Beopen-mindedforcriticism!針針對對批評，有則改改之，無無則嘉勉勉F.M.E.A.Keysuccessfulpoint成功要點點(2)：Meeting team會議成員員relevantpeople(supplier, customer or processowner),expert andnon-expert,max. 10 people相相關(guān)人員員（供應(yīng)應(yīng)商，客客戶和主主人），專家或或非專專家，最最多10人F.M.E.A.Keysuccessfulpoint成功要點點(3)：Good preparation做好準備備Give participantsallinformationbefore meeting,putdrawing,samples,instructiononthe table oronthefrontwall,usinginjectorandtransparencytorecord