6sigma-项目案例

——1.0ProjectTitle&Team************2.0ProjectOverview2.0ProjectOverviewÎΗ—Η—3.0DMAICRoadmap:DEFINEVoiceofthecustomerBusinesscaseProjectcharterProcessProcessInputInputOutputOutputCCUUSSTTOOMMEERRSSSSUUPPPPLLIIEERRSSSIPOCCTQzzzzzzz3.0DMAICRoadmap:DEFINE„„„3.0DMAICRoadmap:DEFINEProcessProcessInputInputOutputOutputCCUUSSTTOOMMEERRSSSSUUPPPPLLIIEERRSSPCB4.0DMAICRoadmap:MEASURE0.80.60.40.20.0-0.2-0.4-0.6-0.8USLLSLProcessCapabilityAnalysisforU1XOFFSETPPMTotalPPMUSLPPMLSLPPMTotalPPMUSLPPMLSLPPMTotalPPMUSLPPMLSLPpkPPLPPUPpCpmCpkCPLCPUCpStDev(Overall)StDev(Within)SampleNMeanLSLTargetUSL250375.46125375.72124999.7444348.6922258.6722090.03238095.24166666.6771428.570.380.380.380.38*0.670.670.670.670.2609970.149196420.000238-0.300000*0.300000Exp.OverallPerformanceExp.WithinPerformanceObservedPerformanceOverallCapabilityPotential(Within)CapabilityProcessDataWithinOverall252015105091.291.191.090.990.890.790.690.590.4ObservationNumberIndividualValueIChartforOFFSETMean=90.82UCL=91.17LCL=90.47zzzzzzzz4.0DMAICRoadmap:MEASUREZXYPCBXOthers5044323361441441281201129696649622.219.014.86.36.35.65.34.94.24.22.84.222.241.256.062.368.774.379.684.588.793.095.8100.0010002000020406080100DefectCountPercentCum%PercentCountRPNParetoChartforpotentialcauses80%XYPCBXYZPCBXPCBYPCBXOthers5125123923363363201689696969696726464641601515111010953333322225152941506069747780828588909294951000500100015002000250030003500020406080100DefectCountPercentCum%PercentCountRPNParetoChartforpotentialcauses80%““””4.0DMAICRoadmap:MEASUREppLEICAnnooqq4.0DMAICRoadmap:MEASUREsettingMeanLCLUCLStDev95%CIforMu95%CIforSigma652.8182.5343.1010.1892.754-2.8820.153-0.247703.8383.4534.1320.2753.752-3.9230.227-0.351754.6794.1575.2020.3004.589-4.7690.248-0.379805.2833.8896.6770.5995.109-5.4570.499-0.750nnooqqpp4.0DMAICRoadmap:MEASUREn050100150102030405060708090100110IndividualValueMean=85.03UCL=102.0LCL=68.090.20.30.40.5oq0.60.40.20.0-0.2-0.4-0.6USLLSLProcessCapabilityAnalysisforXOFFSETPPMTotalPPMUSLPPMLSLPPMTotalPPMUSLPPMLSLPPMTotalPPMUSLPPMLSLPpkPPLPPUPpCpmCpkCPLCPUCpStDev(Overall)StDev(Within)SampleNMeanLSLTargetUSL102341.7549010.2753331.4922387.6610349.2212038.4355555.560.0055555.560.540.540.550.54*0.750.750.770.760.1836040.13131018-0.003778-0.300000*0.300000Exp.OverallPerformanceExp.WithinPerformanceObservedPerformanceOverallCapabilityPotential(Within)CapabilityProcessDataWithinOverallp5.0DMAICRoadmap:ANALYZEX1X2X3-+-+-+Multi-varichartHypothesistestingRegressionanalysisnopqrzz5.0DMAICRoadmap:ANALYZE543210ABABBDBCDCDParetoChartoftheStandardizedEffects(responseisYield,Alpha=.10)A:ZvalveB:SeparateC:TimeD:Speed5.0DMAICRoadmap:ANALYZESpeedTimeSeparateZvalve0.50.32175403.52.50.900.850.800.750.70YieldMainEffectsPlot(datameans)forYield0.50.32175400.900.750.600.900.750.600.900.750.60ZvalveSeparateTimeSpeed2175403.52.5InteractionPlot(datameans)forYield„„5.0DMAICRoadmap:ANALYZE„„„5.0DMAICRoadmap:ANALYZEnopq26364656660.20.30.4405060708090100spraytimefrequenceContourPlotofaverage6.0DMAICRoadmap:IMPROVE6.0DMAICRoadmap:IMPROVEoffset6.0DMAICRoadmap:IMPROVE6.0DMAICRoadmap:IMPROVEMeanStDevsetting652.8182.7790.1890.120703.8383.8350.2750.156754.6794.6660.3000.264805.2835.3350.5990.422997.0DMAICRoadmap:CONTROLXbar-Roffset7.0DMAICRoadmap:CONTROL765432Subgroup1655545SampleMeanMean=55.79UCL=65.82LCL=45.77403020100SampleRangeR=17.38UCL=36.75LCL=0Xbar/RChartfor0.38.0——DPMODefectÈÈ8.0——0.850.780.80.438.0——8.0zzz„„