A Display Company of the Group群创光电股份有限公司1. GR&R评价的内容是\uf9fd么2. 测\uf97e品质的\uf978个指标3. GR&R之操作\uf9ca程4. GR&R计算方法介绍5. GR&R结果评价6. 计数GR&R A Display Company of the Group群创光电股份有限公司真值\uf97e测系统\uf97e测值测\uf97e品质 A Display Company of the Group群创光电股份有限公司Ca CpCpkA比B准, B比A稳, C又准又稳2, 测\uf97e品质的\uf978指标 A Display Company of the Group群创光电股份有限公司3, GR&R之操作\uf9ca程计划三要素: \uf9b2件\uf969(建议3-1 0个),人员\uf969(建议3-5个),测试次\uf969(建议3-5次). 安排合适的时间和地点.确定分析对象(\uf97e具及测试者),分析实施GR&R的目的和用途,以确定适用计算方法.\uf081\uf082\uf083测试前确认: 设备正常,\uf96b与测试的人员能正确测试(能正确操作测试设备,明确测试目标)三资源 A Display Company of the Group群创光电股份有限公司3, GR&R之操作\uf9ca程准备: 确定\uf9fc别各\uf9b2件的方法以防止混淆(如将\uf9b2件编号),同时要求测试者测试时\uf967知道自己在测试哪一个\uf9b2件(如用卡片随机法) .原则是要测试者采集\uf969据时能独\uf9f7测试而\uf967受其它因素影响.\uf084\uf085测试\uf086记\uf93f\uf969据\uf087数据分析 A Display Company of the Group群创光电股份有限公司4, GR&R计算方法介绍GR&R计算方法分\uf9d0计\uf97e型计\uf969型均值极差法信号探测法极差法方差分析法 A Display Company of the Group群创光电股份有限公司4, GR&R计算方法介绍\uf081采用多个评价者测\uf97e\uf969个\uf9b2件(一般5~1 0个\uf9b2件\uf082让评价者多次测\uf97e每个\uf9b2件(\uf967知编号),记\uf93f结果.\uf083对\uf969据进\ufa08再现性和再生性分析. A Display Company of the Group群创光电股份有限公司4, GR&R计算方法介绍再现性(Repeatability)–-原\uf9e4:评价者多次测\uf97e同一物品的差距即再现性–实际上是设备的变异引起–-用多个人多个产品统计平均值代表性\uf901高–EV= 5.1 5 R/d2(d2是与测试次\uf969相关的常\uf969)Measuring dataRepeatability A Display Company of the Group群创光电股份有限公司4, GR&R计算方法介绍再生性(Reproducibility)–-原\uf9e4:每个评价者测\uf97e同一物品的差距即再生性–实际上是人的操作的变异引起–-用多个人多个产品统计平均值最大差距代表–-考虑消除再现性影响–AV=– (K2是与测试人\uf969相关的常\uf969)ReproducibilityA 测手C 测手B 测手))(()15. 5 (222ntEVdR\uf02d操作员 A Display Company of the Group群创光电股份有限公司4, GR&R计算方法介绍产品/制程变差–-原\uf9e4:测\uf97e值的变化范围–-使用多人平均值的变化范围(去除测\uf97e者差异)–PV=Rp*K3(K3与\uf9b2件个\uf969相差是常\uf969)总变差–(GR&R)2=EV2+AV2–TV=Tolerance–或者TV=[(GR&R)2+PV2]1 /2 A Display Company of the Group群创光电股份有限公司4, GR&R计算方法介绍\uf081EV%=(EV/TV)*1 00%AV%=(AV/TV)*1 00%%R&R=(R&R/TV)*1 00%%PV=(PV/TV)*1 00%\uf082\uf083\uf084注意:各因素占总变差的百分\uf969和\uf967等于100%四输出 A Display Company of the Group群创光电股份有限公司5, GR&R结果评价结果评价:再现性变\uf962 (EV) > 再生性变\uf962 (AV) \uf97e具需再校正或保养,\uf97e具的夹紧或\uf9b2件定位需加以改善,\uf97e具结构需再设计加强.再生性变\uf962 (AV) >再现性变\uf962 (EV)作业员的操作方式或\uf969据\uf95a取方式需加强, 可能需要某些夹治具协助作业员. A Display Company of the Group群创光电股份有限公司5, GR&R结果评价%GR&RJudgementUnder 1 0%Measuring system is availiable and reliable. 1 0~30%Maybe acceptable depending on other factors such asimportance , cost of correction….Effort should be madeto improvement the measuring system.Over 30%Measuring system is not suitable for use. Its variationwill mask the process deviation. A temporary method isto take the average of multiple measurements may beacceptable. A Display Company of the Group群创光电股份有限公司7, ExampleOptrialPart 1Part 2Part 3Part 4Part 5Part 6Part 7Part 8Part 9Part 1012333.84433.84233.84633.84400.00233.83833.83633.84233.83870.00633.8433.84633.84533.84300.00633.85633.8533.84733.85100.00933.83633.83933.83833.83770.00333.8428633.85333.86333.85933.85830.01033.86133.85933.85533.85830.00633.85233.85633.85533.85400.00433.8533.86233.85333.85500.01233.85033.84333.84033.844333.83433.83433.83533.83430.00133.84133.84333.82933.83770.01433.84133.84233.84533.84150.00433.83833.84333.84233.84100.00533.82433.82933.82533.82600.00533.8357133.84533.84033.83933.84130.00633.84533.84433.85233.84700.00733.84233.84333.84733.84250.00533.85733.84933.84633.85070.01133.84333.83933.84033.84070.00433.8445733.82233.82033.81533.81900.00733.81233.81733.80733.812033.79133.80033.79533.79530.00933.80333.79733.79433.79800.00933.80133.79533.79733.79770.00633.80833.81133.80133.806733.81033.81233.81133.81100.00233.812033.80633.80733.80830.00633.80133.80933.80733.80570.00833.81133.81533.80633.81070.00933.81333.80833.79833.80630.00533.8084033.79533.80333.79633.79800.00833.80033.78933.79633.79500.01133.79633.79833.80233.79870.00833.79533.97533.79333.85430.00233.79733.80133.80033.79930.00333.8090733.78433.78633.79133.78700.00733.80633.80333.79633.801733.81633.82133.81833.8183 Xa=0.005 Ra=33.81833.81233.81033.8133 Xb=0.012 Rb=33.81733.81633.81633.8163 Xc=0.001 Rc=33.82633.82133.82233.8230 Xd=0.005 Rd=33.81033.80933.81033.8097 Xe=0.001 Re= 33.8161333.819433.822133.820533.820670.005733.823633.820633.818833.82100.009133.819133.820733.821333.820100.004733.825433.84433.822233.830530.00733.81833.816533.815233.81660.00480.05753AvgRng123AvgRng123AvgRng123AvgRng123AvgRng0.010.0133.80733.80933.80533.80800.00433.80933.81333.81133.81100.00433.81033.80433.81333.80900.00833.8120733.79433.79333.79433.79370.00133.80433.80133.80133.80200.00333.80133.79833.79533.79800.00633.796470.0133.79633.79533.79333.79470.00333.798470.0133.854000.00626Rp= R=Σ R/[Sum of operator 5]=[MaxX= [R= 0.00626 ×D4 = 2.58 ]=UCLR= 0.0162[R= 0.00626 ×D3 = 0 ]=UCLR= 0*For 3 trial: D4=2.58; D3=033.830533 - MiX=33.816567 ]= Xdiff=0.013966AverageGauge number: LHMA-751-041Tolerance: 0.30Specification: 34.10±0.15Characteristics: DimensionGage Repeatability and Reproducibility Data SheetGauge Name: Profile Projector MeterDate: 24.03.03Performed by: Du MeizhouTitle: IQC Engineersignature:Name: LG Part No: ver:Avg(Xp) A Display Company of the Group群创光电股份有限公司7, ExampleName: LG Part No: ver:PASSFAILVTolerance: 0.30From Data sheet: R=0.00626Measurement Unit AnalysisRDiff=0.013966Rp=0.05753Reproducibility-Equipment Variation (EV)EV=R × K1 = 0.00626 =Reproducibility-Appraiser Variation(AV)AV=√ [(XDiff×K2)2-(EV2 =√[( 0.013966 × 0.031456 )2 - ( 0.0036984 2 / 15 )] =0.004392%EV=100[EV/Tolerance]% =100[ 0.003698 / 0.3 ]% = 1.23 %×0.5908trial3K10.5908%AV=100[AV/Tolerance]% =100[ 0.004392 / 0.3 ]% = 1.46 %n=number of partsr=number of trials%R&R=100[R&R/Tolerance]% =100[ 0.005742 / 0.3 ]% = 1.91 % /nr)]Operators10K20.31456Repeatability & Reproducibity(R&R)R&R=√(EV2+AV2) =√( 0.003698 = 0.00574Part Variation(PV)PV=Rp×K3 =0.05753 =Total Variation(TV)TV= Tolerance = 0.32 + 0.004392 2 )%PV=100[PV/TV]% =100[ 0.018097 = 6.03/0.300000]%×0.31456Parts10K3%0.31456Performed by: Du MeizhouTitle: IQC EngineerSpecification: 33.80±0.15%Process Variation0.0036980.018097signature:Characteristics: DimensionGauge number: LHMA-751-041Gauge Name: Profile Projector MeterDate: 24.03.03 A Display Company of the Group群创光电股份有限公司7, ExampleName: LG Part No: ver:Characteristics: DimensionSpecification: 33.80±0.15PASSFAILTolerance: 0.30From Data sheet:VR=0.00626Measurement Unit AnalysisRDiff=0.013966Rp=0.05753Reproducibility-Equipment Variation (EV)EV=R × K1 = 0.00626 =Reproducibility-Appraiser Variation(AV)AV=√ [(XDiff×K2)2-(EV2 =√ [( 0.013966 × 0.031456 )2 - ( 0.0036984 2 / 15 )] =0.004392%EV=100[EV/Tolerance]% =100[ 0.003698 / 0.018097 ]% = 20.43 %×0.5908trial3K10.5908%AV=100[AV/Tolerance]% =100[ 0.004392 / 0.018097 ]% = 24.27 %n=number of partsr=number of trials%GRR=100[R&R/Tolerance]% =100[ 0.005742 / 0.018097 ]% = 31.73% /nr)]Operators10K20.31456Repeatability & Reproducibity(R&R)R&R=√(EV2+AV2) =√( 0.003698 =0.005742Part Variation(PV)PV=Rp×K3 =0.05753 =Total Variation(TV)TV= √GRR2+PV2TV= √( 0.005742 )2 + ( 0.018097 = 0.0189862 + 0.004392 2 )%PV=100[PV/TV]% =100[ 0.018097 = 95.32/0.018986]%×0.31456Parts10K3%0.31456)2Gauge Name: Profile Projector MeterGauge number: LHMA-751-041Date: 24.03.03Performed by: Du MeizhouTitle: IQC Engineer%Process Variation0.0036980.018097signature: A Display Company of the Group群创光电股份有限公司