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测量系统分析MeasurementSystemsAnalysis讨论题目TopicsTotalprocessvariabilityistheresultofmanycombinedsourcesofvariability:整体过程变异性是众多变异源的整合结果Material材料Methods工艺Measurements测量Machines机器Man(People)人Environment环境Aspecifictypeofexperimentbasedonstatisticaltheorydonetoquantifyandevaluatesourcesofvariationassociatedwiththemeasurementsystem一个典型的实践经验是基于统计理论,以此来量化和评估与测量系统有关的变异WhyweneedtoperformMSA我们为什么需要进行测量系统分析?测量之问题MeasurementIssues检具等分GageResolutionInadequateGageResolution不适合的检具等分RecommendationsforGageResolution建议的检具等分准确与精确Accuracyvs.Precision准确与精确Accuracyvs.Precision准确与精确Accuracyvs.Precision准确与精确AccuracyandPrecisionMeasurementSystemCharacterization测量系统之特性WhataffectsGageAccuracy?哪些因素影响到准确性?WhataffectsGagePrecision?什么因素影响到检具的精确性?ConsequencesofPoorGageR&R检具R&R差的后果WhenshouldwedoMSA?什么时间我们应该做测量系统分析?MeasurementSystemsAnalysis测量系统分析TypesofMSAStudies测量分析系统的研究分类MSAShortFormStudyMSA短期分析研究R1=Largestmeasurementforpart1-Smallestmeasurementforpart1MSAShortFormStudyInterpretationofResultsMSA短期分析研究之解读结果MSAShortFormStudyInterpretationofResultsMSA短期分析研究之解读结果GAGER&RSHORTSTUDYFORM