文档介绍：*OutlineQualitylevelWhatisSixsigma?WhyweneedSixsigma?DevelopmentandDeploymentstrategyHowSixsigmamergesintoourdailybusiness?*Overview-panies’qualityprogramsfollowedDemingJuranCrosbyTaguchi*DemingDemingtaught:ImportanceofunderstandingvariationinworkprocessesRoleofmanagementinleadingforqualityApplicationofstatisticsPlan-Do-Check-Act*Deming’sContributiontoProfitabilityEXTERNALINTERNALCUSTOMERSATISFACTIONMARKETSHAREPROFITPRODUCTIVITYQUALITY-Betterproducts&services-petewithPrice-Decreasedcycletime-Eliminateset-uptimesCOST-OpportunityforprofitPRODUCTQUALITYPROCESSQUALITY-Reducerework-Eliminatein-processinspection-Reducescrap-Increaseproductlife-ingtestingPlanDoCheckAct*JuranJurantaught:BreakthroughperformanceParetoeffectImportanceofmanagementprinciplesQualitybydesignandplanning*Juran’sContributionPlanningCostofPoorQuality(Percentofoperatingcosts)ProductionBeginsOriginalzoneofprocesscontrolNewzoneofprocesscontrol020400ControlTimeImprovementLessonsLearnedSporadicspikefromobservedproblemChronicWaste(anopportunityforimprovement)moncausevariation*CrosbyCrosbytaught:CustomerrequirementisperformancestandardQualitymaturityisajourneyPreventiveactionasbasicapproach*TaguchiTaguchitaught:CostofpoorqualityislosstosocietyasawholeRobustqualityisdesignedforconsistentproductionDesigncontrolismoreimportantthanproductioncontrol*Taguchi’plaintsRegionofQuestionablePerformanceRegionofQuestionablePerformanceRegionofSpecifiedPerformanceMeanLowerControlLimitUpperControlLimitRegionofDesiredPerformanceCost