PPK计算

PPK（初始能力）研究报告QR初始能力不足,详见备注(seenotes)'01PSW'!A21'07CAV'!A6'01PSW'!H6'01PSW'!A6'01PSW'!A14'01PSW'!D10'01PSW'!A8编制日期地点LOCATION工厂部门：过程信息PROCESSINFORMATION统计描述DESCRIPTIVESTATISTICS值/数目VALUES零件PART零件图号零件名称数据点重要趋势Significanttrendsofdatapoints:X图ChartR图Chart读数数目Numberofreadings125产品型号趋势长度RUNLENGTH33规格下限Lowerspeclimit(LSL)3.6500设备TOOL量具编号Toolnumber项目次数HOWMANYRUNS43规格值Nominal3.7000尺寸DIMENSION量具名称Description单位趋势长度RUNLENGTH43规格上限Upperspeclimit(USL)3.7500规范值正公差PLUS负公差次数HOWMANYRUNS24总和Totalsum462.8980规格下限规格值SPEC规格上限超出控制限Outofcontrollimits10平均值Averagereadings(X)3.7032最大值Maximum3.7450最小值Minimum3.6600低于规格下限的读数ReadingsbelowLSL0高于规格上限的读数ReadingsaboveUSL0极差均值AverageRange(R)0.0393D2值ValueN=52.3260上限能力指数Uppercapabilityindex(CPU)0.9241下限能力指数Lowercapabilityindex(CPL)1.0498能力指数Capabilityindex(Cp)0.9869过程能力指数ProcessCapability(Cpk)0.9241能力比值Capabilityratio(CR)5.4819样本标准差StdDeviation(n-1)0.0189标准差StdDeviation(n)0.0189样本方差Variance(n-1)0.0004方差Variance(n)0.0004性能指数Performanceindex(PP)0.8806性能比值Performanceratio(PR)1.1356性能指数Performanceindex(Ppk)0.8245n1234567891011121314151617181920212223242513.683.723.7353.6753.7263.7153.6743.7163.6753.7453.7153.7153.7123.6953.7053.6853.7053.7053.7063.7013.7053.7133.6853.6983.72323.723.7253.7323.7213.6753.6643.6943.7353.7153.6753.7093.7253.6953.7163.7053.7053.6943.6953.7133.6863.7123.7263.6893.7063.71933.693.693.693.7053.7193.6853.7153.7263.6953.7243.6753.683.7053.7053.6973.6953.7253.7263.7063.6993.7253.7363.6953.7113.71543.713.663.6853.6753.6753.7043.7323.6843.6753.7133.7153.6753.6853.7053.7053.7053.6753.7123.6953.6893.7123.7363.6973.723.72553.673.723.7033.7163.7233.6953.6743.7153.6843.7053.6953.6913.6753.7353.6953.6853.6743.7043.7053.6753.6853.7393.7013.7183.738Average3.6943.7033.7093.69843.70363.69263.69783.71523.68883.71243.70183.69723.69443.71123.70143.6953.69463.70843.7053.693.70783.733.69343.71063.724Range0.050.0650.050.0460.0510.0510.0580.0510.040.070.040.050.0370.040.010.020.0510.0310.0180.0260.040.0260.0160.0220.023NOTES(备注)：123编制：校对：12点连续在极差中心线之上consecutivedatapointsaboveaverageR3.73.753.65初始过程能力不足-均值超出控制限Outofcontrollimits(X)-过程变异Proc.variation(Ppnot1.67)-过程能力不足，需要提高Processsubstandard,needsimprovement(PPk1.33).设备编号上升Increasing下降Decreasing0.051700862影像仪100/0.0010.05JW220FB-055TO-220FB3.72012年11月26日塑封用半导体引线框架TO-220FB技术部新产品开发40TC型冲床mm01217151724261391051015202530频数Frequency子组Subgroups直方图HISTOGRAM数据点DataPoints分布曲线DistributionShape3.72602.00003.00004.00005.00006.00007.00008.00009.000010.000011.000012.000013.000014.000015.000016.000017.000018.000019.000020.000021.000022.000023.000024.000025.00003.703223456789101112131415161718192021222324253.68042.00003.00004.00005.00006.00007.00008.00009.000010.000011.000012.000013.000014.000015.000016.000017.000018.000019.000020.000021.000022.000023.000024.000025.00003.653.663.673.683.693.703.713.723.733.7412345678910111213141516171819202122232425均值AverageDataPoints均值图Average(Xchart)DataValuesUCLxAveXLCLx0.08292.00003.00004.00005.00006.00007.00008.00009.000010.000011.000012.000013.000014.000015.000016.000017.000018.000019.000020.000021.000022.000023.000024.000025.00000.039323456789101112131415161718192021222324250.00.010.020.030.040.050.060.070.080.0912345678910111213141516171819202122232425极差RangeDataPoints极差图Range(Rchart)DataValuesUCLrAveRLCLr双边公差Twosidedspec(bilateral)下公差Onesided(MIN)上公差Onesided(MAX)使用时请检查公式是否正确史义坤