Minitab在质量统计分析中的应用

Minitab在质量统计分析中的应用黄晓兰(梅山钢铁公司企划部南京210039):利用Minitab统计分析软件,介绍了在质量分析中常用的回归分析正态分析巴累托分析的使用方法,使产品的质量处于可控手段下:Minitab;质量统计;回归分析;巴累托分析ApplicationofMinitabintheQualityStatisticalAnalysisHuangXiaolan(EnterpriseDeveloping&PlanningDepartmentofMeishanIron&SteelCo.,Nanjing210039)Keywords:Minitab;Qualitystatistics;Regressionanalysis;ParetoanalysisMinitab,,Minitab,,Minitab500,Minitab,,,,1Minitab,1.1,,,1Stat/Regression/Fittedlineplot,Response(Y),Predictor(X),TypeofRegressionModelLinearQuadraticCubic1231TiMPa%MPa%MPa%MPa%4450.0123100.0103250.0154450.0134250.0134600.0103250.0103550.0144300.0144550.0123550.0104550.0134250.0094850.0133650.0124400.0114250.0103600.0113650.0134200.0134250.0113500.0143550.0113500.0144500.0123450.0123600.0143600.0114400.0133500.0134600.0144550.0124300.0144550.0144550.0124300.0124500.0154350.0094550.0134600.0124450.0104500.0104550.0144350.0104450.0104500.0114700.009图1一次方程回归分析52006图2二次方程回归分析图3三次方程回归分析1,Ti,2,Ti,,3,Ti0.010%~0.013%,Ti0.013%,,Ti0.010%,TI,,,Ti,Ti,,Ti,1.2,,,,,,(),1~1.33,,1,Stat/QualityTools/CapabilityAnalysis/Normal,4图4正态分布图4,CpkPpk,Cpk2.22,,,,,,620061.3,,,,,ERP,,2,Stat/QualityTools/CapabilityAnalysis/ParetoChart,Chartdefectdatain52IB02IF01IB02IA02IA01IF02IA02IA01IA01IB11IA01IA01IB08IA01IA01IF02IB11IB11IA02IA01IF01IB11IF01IA00IF01IB10IA02IB11IB11IB02IA02IA01IA01IB11IF01IA02IA01IF02IB11IA01IA02IF04IA01IA01IA01IA02IF01IA01IA01IF02IB11IF01IA01IA02IF07IA03IF02IA01IF07IB11IF01IF01IA01IF07IA01IA01IB11IB11IA01IA01IA01IA03IA03IA02IF02IF01IB11IB11IA01IF02IA02IF02IA01IA01IF01IA01IF01IA01IA01IA01IA01IF01IA01IF01IF01IA01IA03IA01IA01IA01图5缺陷代码的巴累托图5,IA01,38%;IF01,15%,53%,2,Minitab,,,,,,,,Mintab,,,(编辑:于留春)7黄晓兰Minitab在质量统计分析中的应用