dilshod achilov gage r&r

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1、GageR&R:ThekeytounderstandingmeasuringsystemsDilshodAchilovMBA530,Section1AgendaWhatistheMeasurementSystemsAnalyses?DefinitionofGR&RBenefitsofimplementingGR&RExampleofpracticalapplicationofGaugeR&RCommonMisconceptionsConductingGR&RsQuizSummaryMeasurementSystems

2、analysesWemustdeterminetheuncertaintyofourmeasurementsystemsbeforewecancompare,controloroptimizeourmanufacturingprocesses.-Cerprobe11HankScutoski&ChanderSekar,Ph.D.CERPROBECORPORATION;Gilbert,ArizonaWhatisMeasurementSystemsanalyses?AMeasurementSystemAnalysis,ab

3、breviatedMSA,isaspeciallydesignedexperimentthatseekstoidentifythecomponentsofvariationinthemeasurement.WhatisMeasurementSystemsanalyses?TheMeasurementSystemsAnalysisprocessisdefinedinanumberofpublisheddocumentsincludingtheAIAG'sMSA(MeasurementSystemsAnalysis)Ma

4、nual,whichispartofaseriesofinter-relateddocumentstheAIAGcontrolsandpublishes.Thesemanualsinclude:TheFMEAandControlPlanManualTheSPC(Statisticalprocesscontrol)ManualTheMSA(MeasurementSystemsAnalysis)ManualTheProductionPartApprovalProcess(PPAP)ManualDefinitionofGR

5、&RGaugeR&R(orANOVAGaugeRepeatability&Reproducibility)isaMeasurementSystemsAnalysistechniquewhichusesAnalysisofVariance(ANOVA)toassessameasurementsystem.DefinitionofGR&RTherearefourcomponentsaffectingmeasurementsystem:Measurementdevices(machine)Measurementinstru

6、ctions(method)SpecificationPartsDefinitionofGR&RTherearetwoimportantaspectsofaGaugeR&R:Repeatability-theabilityofthedevicetoprovideconsistentresults.Reproducibility-thevariabilitycreatedbytheoperatorsDefinitionofGR&R1Repeatabilityconditionsincludethesamemeasure

7、mentprocedure,thesameobserver,thesamemeasuringinstrumentusedunderthesameconditions,thesamelocationandrepetitionoverashortperiodoftime.1TheChartcomesfromQualityAmericaIncweb-site,freequalityencyclopediaDefinitionofGR&R1Reproducibilityisoneofthemainprinciplesofth

8、escientificmethod,andreferstotheabilityofatestorexperimenttobeaccuratelyreproduced,orreplicated,bysomeoneelseworkingindependently.1TheChartcomesfromQualityAmericaIncweb-site