DisplayCompany Group群創光電股份有限公司 DisplayCompany Group群創光電股份有限公司 真值 DisplayCompany Group群創光電股份有限公司 Ca Cp Cpk DisplayCompany Group群創光電股份有限公司 計劃三要素:零件數(建議3-10個),人員數(建議3-5個),測試次數(建議3-5次). DisplayCompany Group群創光電股份有限公司 準備:確定識別各零件的方法以防止混淆(如將零件編號),同時要求測試者測試時不知道自己在測試哪一個零件(如用卡 DisplayCompany Group群創光電股份有限公司 GR&R計算方法介紹GR&R計算方法分類 DisplayCompany Group群創光電股份有限公司 DisplayCompany Group群創光電股份有限公司 GR&R計算方法介紹再現性(Repeatability) –-原理:評价者多次測量同一物品的差距即再現性 –-用多個人多個產品統計平均值代表性更高–EV= 5.15 Measuringdata Repeatability DisplayCompany Group群創光電股份有限公司 GR&R計算方法介紹再生性(Reproducibility) –-原理:每個評价者測量同一物品的差距即再生性 ntEV DisplayCompany Group群創光電股份有限公司 –-原理:測量值的變化范圍–-使用多人平均值的變化范圍(去除測量者差异) –PV=Rp*K –TV=Tolerance–或者TV=[(GR&R) DisplayCompany Group群創光電股份有限公司 %PV=(PV/TV)*100%注意:各因素占總變差的百分數和不等于100% DisplayCompany Group群創光電股份有限公司 再生性變異(AV) 量具需再校正或保養, 量具的夾緊或零件定位需加以改善, 再生性變異(AV) (EV)作業員的操作方式或數據讀取方式需加強, 可能需要某些夾治具協助作業員. DisplayCompany Group群創光電股份有限公司 GR&R結果評價%GR&R Judgement Under 10% Measuring system reliable.10~30% Maybe acceptable depending otherfactors correction….Effortshould measuringsystem. Over 30% Measuring system use.Its variation processdeviation. temporarymethod multiplemeasurements may DisplayCompany Group群創光電股份有限公司 ExampleOp trial Part Part10 33.84433.853 33.834 33.845 33.822 33.791 33.810 33.795 33.784 33.816 33.8194 33.84233.863 33.834 33.840 33.820 33.800 33.812 33.803 33.786 33.821 33.8221 33.84633.859 33.835 33.839 33.815 33.795 33.811 33.796 33.791 33.818 33.8205 Avg 33.8440 33.8583 33.8343 33.8413 33.8190 33.7953 33.8110 33.7980 33.7870 33.8183 Xa= 33.82067 Rng 0.002 0.010 0.001 0.006 0.007 0.009 0.002 0.008 0.007 0.005 Ra= 0.0057 33.83833.861 33.841 33.845 33.812 33.803 33.8120 33.800 33.806 33.818 33.8236 33.83633.859 33.843 33.844 33.817 33.797 33.806 33.789 33.803 33.812 33.8206 33.84233.855 33.829 33.852 33.807 33.794 33.807 33.796 33.796 33.810 33.8188 Avg 33.8387 33.8583 33.8377 33.8470 33.8120 33.7980 33.8083 33.7950 33.8017 33.8133 Xb= 33.8210 Rng 0.006 0.006 0.014 0.007 0.01 0.009 0.006 0.011 0.01 0.012 Rb= 0.0091 33.8433.852 33.841 33.842 33.807 33.801 33.801 33.796 33.794 33.817 33.8191 33.84633.856 33.842 33.843 33.809 33.795 33.809 33.798 33.793 33.816 33.8207 33.84533.855 33.845 33.847 33.805 33.797 33.807 33.802 33.794 33.816 33.8213 Avg 33.8430 33.8540 33.8415 33.8425 33.8080 33.7977 33.8057 33.7987 33.7937 33.8163 Xc= 33.82010 Rng 0.006 0.004 0.004 0.005 0.004 0.006 0.008 0.008 0.001 0.001 Rc= 0.0047 33.85633.85 33.838 33.857 33.809 33.808 33.811 33.795 33.804 33.826 33.8254 33.8533.862 33.843 33.849 33.813 33.811 33.815 33.975 33.801 33.821 33.844 33.84733.853 33.842 33.846 33.811 33.801 33.806 33.793 33.801 33.822 33.8222 Avg 33.8510 33.8550 33.8410 33.8507 33.8110 33.8067 33.8107 33.8543 33.8020 33.8230 Xd= 33.83053 Rng 0.009 0.012 0.005 0.011 0.004 0.01 0.009 0.002 0.003 0.005 Rd= 0.007 33.83633.850 33.824 33.843 33.810 33.796 33.813 33.797 33.801 33.810 33.818 33.83933.843 33.829 33.839 33.804 33.795 33.808 33.801 33.798 33.809 33.8165 33.83833.840 33.825 33.840 33.813 33.793 33.798 33.800 33.795 33.810 33.8152 Avg 33.8377 33.8443 33.8260 33.8407 33.8090 33.7947 33.8063 33.7993 33.7980 33.8097 Xe= 33.8166 Rng 0.003 0.01 0.005 0.004 0.008 0.003 0.005 0.003 0.006 0.001 Re= 0.0048 33.84286 33.85400 33.83571 33.84457 33.81207 33.79847 33.80840 33.80907 33.79647 33.81613 Rp= 0.05753 R=ΣR/[Sum 0.00626[MaxX= 33.830533 MinX=33.816567 Xdiff=0.013966 2.58]=UCLR= 0.0162 AverageGauge number: LHMA-751-041 Tolerance: 0.30 Specification: 34.100.15 Characteristics: Dimension Gage Repeatability ReproducibilityData Sheet Date: 24.03.03 Performed DuMeizhou Title: IQC Engineer Gauge Name: Profile Projector Meter Name: LG Part ver:signature: Avg(Xp) DisplayCompany Group群創光電股份有限公司 ExamplePASS Tolerance:0.30 FAIL From Data sheet: 0.00626RDiff= 0.013966 Rp= 0.05753 Reproducibility-Equipment Variation (EV) %EV=100[EV/Tolerance]% EV=R =100[0.003698 0.5908trial 0.5908Reproducibility-Appraiser Variation(AV) %AV=100[AV/Tolerance]% AV=[(XDiffK /nr)]=100[ 0.004392 parts10 0.31456 r=number trialsRepeatability Reproducibity(R&R)%R&R=100[R&R/Tolerance]% R&R=(EV =100[0.005742 0.00574Part Variation(PV) %PV=100[PV/TV]% PV= RpK =100[0.018097 0.31456Parts 100.31456 Total Variation(TV) TV= Tolerance 0.3Performed DuMeizhou Specification: 33.800.15 Title: IQC Engineer %Process Variation Measurement Unit Analysis 0.003698 0.004392 0.018097 signature: Characteristics: Dimension Gauge number: LHMA-751-041 Name: LG Part ver:Gauge Name: Profile Projector Meter Date: 24.03.03 DisplayCompany Group群創光電股份有限公司 ExamplePASS Tolerance: 0.30 FAIL FromData sheet: 0.00626RDiff= 0.013966 Rp= 0.05753 Reproducibility-Equipment Variation (EV) %EV=100[EV/Tolerance]% EV=R =100[0.003698 0.5908trial 0.5908Reproducibility-Appraiser Variation(AV) %AV=100[AV/Tolerance]% AV= [(XDiffK /nr)]=100[ 0.004392 parts10 0.31456 r=number trialsRepeatability Reproducibity(R&R)%GRR=100[R&R/Tolerance]% R&R=(EV =100[0.005742 0.005742Part Variation(PV) %PV=100[PV/TV]% PV= RpK =100[0.018097 0.31456Parts 100.31456 Total Variation(TV) TV= GRR Name:LG Part ver:Gauge Name: Profile Projector Meter Date: 24.03.03 %Process Variation Measurement Unit Analysis 0.003698 0.004392 0.018097 signature: Characteristics: Dimension 0.018986 Performed DuMeizhou Specification: 33.800.15 Title: IQC Engineer Gauge number: LHMA-751-041 DisplayCompany Group群創光電股份有限公司 Attribute MSA 如果量測系統是以GO/NG方式判定產品良或不良,而不以量測值來記錄,例如在製造現場存在許多用 GO/NG量規、目視檢驗、儀器直接判定GO/NG等等。 的統計方法來分析。這種缺點的判定受人為因素影響很大。 DisplayCompany Group群創光電股份有限公司 Results AttributeMSA 檢驗員本身的一致性(重複檢驗一個產品判定是 否一致) 檢驗員之間的一致性(不同檢驗員檢驗同一產品 判定是否一致) DisplayCompany Group群創光電股份有限公司 DisplayCompany Group群創光電股份有限公司 Exercise 檢驗員本身 一致性 檢驗員之間一致性所有檢驗員一 DisplayCompany Group群創光電股份有限公司 Thank You!