DFMEA 在发动机设计中的应用

DFMEA1,1,2(1.,100081;2.,100089):(DFMEA),,DFMEA,,;DFMEA,DFMEA,,,,DFMEA:;;;;;:TK402:B:100122222(2006)0320019205(DFMEA),,,,DFMEA,;,(FMEA),:Ó,,DFMEA;ÓDFMEA,;ÓDFMEA,DFMEA,DFMEA,,,DFMEA,DFMEA1DFMEA[1]DFMEA,,;//,,,DFMEA,,DFMEA62DFMEA,,,DFMEA,,DFMEA,,/,,,,:2005212223;:2006203210:(1979),,,,.3(163)20066VEHICLEENGINENo.3(SerialNo.163)Jun.2006,,,,,,DFMEA,3DFMEADFMEA,,DFMEA,DFMEA3.1,,,,;,,113.1.1,,,,,;,,,,,223.1.2,;,,;,,,,3.1.3,,,,3.1.4,,,,,,,,95%,;,3.1.5,3.1.6,,QC900;,02200633.1.7,,,,,,33,DFMEA,3.2DFMEADFMEA,[2]DFMEA;,(),,3,3.2.13.1.1,,,(),4412,112,1;2S12,S21,S22,S111S1123.2.2DFMEA,(S)(RPN),SRPN,SRPN,DFMEA(O)(D),S,O,D,RPNS,O,D3OD,DFMEA3.2.3,S,O,D,RPN;3.2.2,,2,SRPN670,5,35,S1SRPN,;S2RPN,S,;1220066,:DFMEAS12,S22S111,DFMEA,SRPN530,6,DFMEA64DFMEADFMEA,DFMEADFMEA,,DFMEA(7),,DFMEA3,53,DFMEA;S,O,D,RPN;,4.14.1.1,;;;4.1.2,,;,,7DFMEA4.1.3;,,;4.1.4,;,,;;;4.1.52220063,,;,;,4.2S,O,D;S,O,DRPN,,,DFMEA(AIAG)FMEA,OD[3],,O,D,AIAGD,D,AIAG,,,8;8,,7;O,,O3;,,,4SRPN780,S7(7),RPN80(80),,:a),,,;b),,,(),,SRPNDFMEASRPN4.3DFMEADFMEA,DFMEA,5a)DFMEA,DFMEA;b)DFMEADFMEA,DFMEA,DFMEA,DFMEADFMEA;c)DFMEA,:[1]StamatisDH.FailureModeandEffectAnalysisFMEAfromTheorytoExecution(FMEA)[M].,,.:,2005:1032121,22622511[2]CampatelliGA.ReliabilityImprovementofDieselen2gineUsingtheFMEAApproach[J].Qual.Reliab.Eng.Int.,2004(20):14321541[3]AIAG.PotentialFailureModeandEffectsAnalysis(ThirdEdition)[M].Michigan:AutomotiveIndustryActionGroup,20011(27)3220066,:DFMEA6beMAP63;,,:[1].[J].,2005,14:7210.[2].[D].:,2003.[3],.[J].().2004,26(4):36239.[4],.[J].,2003(3):12216.[5],.[J].(),2001,41(8):94296.[6],.[J].(),2005,44(11):24227.ApplicationStudyofModel2basedCalibrationMethodforCommonRailDieselEngineWUJian2ying1,YANGFu2yuan1,CHENXiao2xun2,OUYANGMing2gao1(1.AutomobileEngineeringDepartment,TsinghuaUniversity,Beijing100084,China;2.CommercialVehicleR&DCenter,DongfengMotorCompanyLimited,Shiyan442001,China)Abstract:Thispaperpresentsusingmodel2basedcalibrationmethodtooptimizethefueleconomyofcommonraildieselengineandsystemicallyintroducesthreestagesofmodel2basedcalibrationmethod,includingexperimentdesign,enginestatisticalmodelingandcalibrationoptimization.Thetestresultshowsthattheenginefuelconsumptionissignificantlyimprovedandthetimeforcalibrationbecomesshorter.Keywords:model;calibrationoptimization;commonrail;dieselengine[:](23)ApplicationofDFMEAinEngineDesignXUGui2hong1,LIUXing2hua1,CHENXiao2tong2(1.LabofEngineTechnology,BeijingInstituteofTechnology,Beijing100081,China;2.BeijingYuntongForeverScienceTechnologyCo.Ltd.,Beijing100089,China)Abstract:Difficultiesofdesignfailuremodeandeffectanalysis(DFMEA)applicationofenginedesignareanalyzed,andsomeresearchhasbeenmadeintheimproveddesignofthrottlevalvecasingofoneChinesemadegasengine.ThemethodofDefiningdetailedDFMEAobjectisprovided,whichreducestheDFMEA’sobjectnumber,andsavetimeonDFMEA.TheDFMEA’sflowandseveritydeterminantruleareimproved,andthebasicitemandrelatediteminanalysisprocessareproposed,whichmakeDFMEAmoresuitableinenginedesign.TheimprovedDFMEAisusedtoanalysethethrottlevalvecasing’sfailurecause,effectandsomerecommendcorrectiveactionsareattainedsuccessfully.Keywords:failuremode;effectanalysis;analysisobject;flow;severity;throttlevalvecasing[:]7220066,: