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ID：44236714
大小：203.00 KB
页数：32页
时间：2019-10-19
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1、MeasurementsystemanalysisLearningobjectivesOncompletionofthismoduleyouwillbeableto:1.Explainhowmeasurementerrorinfluencesourabilitytoassessthequalityofproductsandservicesandimproveprocessperformance.2.CarryoutagageR&RstudyusingtheprocedurerecommendedinQS9000.3.UseMINITABtoanalysetheres
2、ultsofagageR&Rstudyandtoproducegraphstoillustrateyourreport.9/17/20212MeasurementHowdopeopleusemeasurements?Peopleuseprocessperformancemeasurementstohelpthem:ClassifytheproductorserviceControltheprocessAssessthecapabilityoftheprocessImprovetheprocess9/17/20213Theclassificationofproduct
3、sandservicesNotacceptableNotacceptableAcceptableLSLUSLQualityWhenthereisnomeasurementerrorwecandistinguishbetweengoodandbad,withconfidence.9/17/20214Whenthereismeasurementerrorwemaybeleftindoubtabouttheacceptabilityoftheproductorservice.NotacceptableNotacceptableAcceptableUncertainty??
4、???Uncertainty?????LSLUSLQualityMeasurementerror9/17/20215ThedecisionAccepttheproductRejecttheproductThetrueconditionoftheproductGoodproductBadproductGoodproductisdeliveredGoodproductisscrappedBadproductisdeliveredBadproductisscrappedTheeffectofmeasurementerror.9/17/20216Theeffectofmea
5、surementerror onprocesscontrolBecauseofmeasurementerrorwemay:Failtodetectachangeintheprocess.Detectachangelaterthanwewouldhavedoneifthemeasurementswerenotinerror.Believethattheprocesshaschanged,eventhoughtithasn’t.9/17/20217Theeffectofmeasurementerror ontheassessmentofprocesscapability
6、.Becauseofmeasurementerrorwemay:Believethatwearemorecapableofmeetingcustomerrequirementsthanweactuallyare.Believethatwearelesscapableofmeetingcustomerrequirementsthanweactuallyare.9/17/20218Theeffectofmeasurementerror onprocessimprovement6065707580859095YieldItismoredifficulttodecidewh
7、etherornotthemodifiedprocessgiveshigheryieldthantheoldprocess?OldModified9/17/20219Theeffectofmeasurementerror onprocessimprovement.9/17/202110RepeatmeasurementsbyfouroperatorsOperatorDiameter(mm)oftestpieceMeanSDSmith20.219.920.120.420.220.420.200.190Jones19.920.219.520.420.619.420.
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