FMEA评分细则参照表

Severity严重度Rating等级Criteria标准10Failureaffectssafeoperationofvehicleormayendangeroperator影响车辆安全操作或危害操作者9Failureinvolvesnon-compliancewithGovernmentRegulations违反政府的有关法规8Failurecausescustomerhighdegreeofdissatisfaction失效将导致顾客严重不满意7Failurecausescustomerdissatisfation.MayresultindisruptiontoAssemblyPlantoperation.使顾客不满意。或影响整车厂装配6Majordisruptiontoproductionline.严重影响生产线5Minordisruptiontoproductionline.轻微影响生产线4Failuremaycauseinconveniencetosubsuquentoperation,minorrepair.给后续工位带来不便，轻微返修3Failuremaycauseslightinconveniencetosubsequentoperation,minorrepair.给后续工位带来微小不便，轻微返修2Failuremaycauseslightinconveniencetooperation,minorrepair.给本工位带来微小不便，轻微返修1Customerwillprobablynotevennotice.顾客可能不会注意到Dealerrepair(noise,vibration,leaks,etc).VehicleAssemblyPlantreturn/pullormajorspill.销售商返修(噪声、振动、泄漏，等)。整车厂紧急接动零件或重大的缺陷DefectcaughtatGMPTFinalTest.AssemblyLineheavyrework.在GMPT最终检验时发现缺陷。装配线大量返工DefectcaughtatGMPTFinalTest.AssemblyLine.Lightreworkorscrap.在GMPT最终检验时或装配线发现缺陷。装配线轻微返工或报废Defectpassestonextprocess.缺陷流到下一工序FMEA评分细则参照表Defectcaughtatsubsequentoperation(In-line).缺陷在后续工序发现(在线)Defectcaughtandcorrectedatoperation(In-station).缺陷在操作时被发现并纠正(在工位处)Noeffects.没有影响Example举例SafetyHazardtocustomeroroperator.对顾客或操作者造成安全性危害Emmissions(OBDII)item.Regulatoryitem.排放项目(OBDII)。法规项目Failurecausescustomerhighdegreeofdissatisfaction失效将导致顾客严重不满意Rating等级Criteria标准10Absolutecertaintyofnon-detection肯定不可能检测出9Very-low-controlswillprobablynotdetected很低-控制方法可能检测不出8Low-controlshavepoorchanceofdetection低-控制方法检测出的机率很低7Low-controlshavepoorchanceofdetection较低-控制方法检测出的机率较低6Moderate-controlsmaydetect中度偏低--控制方法可能检测出5Moderate-controlsmaydetect中度--控制方法可能检测出4ModerateHigh-Controlshavegoodchancetodetect中等偏高--控制方法检测出的机率较高3High-controlshavegoodchancetodetect高--控制方法检测出的机率较高2VeryHigh-Controlsalmostcertaintodetect很高--控制方法几乎一定能检测出1VeryHigh-Controlscertaintodetect非常高--控制方法一定能检测出Indirectcheckonly.仅仅间接检测Visualinspection.目测Doublevisualinspection.目测二次100%Visualinspectionbytouchingtheparts.Manualgaging/testing.通过接触来100%目视检测。手工检具/测试100%Go/NoGoGaging.PeriodicGagingwithControlChart.100%G0/N0Go检具。周期性检测并使用控制图Errorproofing--Cannotacceptatnextoperation.GagingonSetup/First-Piececheck.防错--在下一工位不能接受。在生产准备验证时/首件对检具检测Errorproofing--Cannotpasspart.AutomaticGagingwithstop.防错-缺陷零件不能通过自动检测，发现不合格格停机MultiplelayersofError.Proofing:Supply,select,installorverify.多层防错；供给、选择、安装或验证Cannotdetectorisnotchecked.不能检测出或没有进行检测SuggestedRangeofDetectionMethods建议的Detection可探测度ErrorProofing--Cannotmakepart.防错-不能生产缺陷零件Rating等级FailureProbabilty失效可能性PPM*ExampleCpK10VeryHigh非常高5000000.339VeryHigh很高333,3330.338High高125,0000.517High较高50,0000.676Moderate中等偏高12,5001/Hour0.835Moderate中等2,5001/Shift1.004Moderate中等偏低5001/Day1.173Low低671/Week1.332VeryLow非常低71/Month1.501Remote很少11/Year1.67*Exampleisfortotalof5,000piecesperday,inatwo-shiftoperation.Recalculateexamplecolumnforspecificvolumes.Occurrence发生频率