【7A文】福特汽车培训材料-6SIGMA推行.ppt

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1、1SixSigmaByDanielWuFordLioHoMotorCompany2OutlineQualitylevelWhatisSixsigma?WhyweneedSixsigma?DevelopmentandDeploymentstrategyHowSixsigmamergesintoourdailybusiness?3Overview-FourQualityGurusHistoricallycompanieshavefocusedonqualityissuesforcustomersatisfactio

2、nPriortosixsigmatherewerefourkeyqualitygurusthatmostcompanies’qualityprogramsfollowedDemingJuranCrosbyTaguchi4DemingDemingtaught:ImportanceofunderstandingvariationinworkprocessesRoleofmanagementinleadingforqualityApplicationofstatisticsPlan-Do-Check-Act5Demi

3、ng’sContributiontoProfitabilityEXTERNALINTERNALCUSTOMERSATISFACTIONMARKETSHAREPROFITPRODUCTIVITYQUALITY-Betterproducts&services-Improvedprocesses-CompetewithvaluePRICE-CompetewithPrice-Decreasedcycletime-Eliminateset-uptimesCOST-OpportunityforprofitPRODUCTQU

4、ALITYPROCESSQUALITY-Reducerework-Eliminatein-processinspection-Reducescrap-Increaseproductlife-EliminateincomingtestingPlanDoCheckAct6JuranJurantaught:BreakthroughperformanceParetoeffectImportanceofmanagementprinciplesQualitybydesignandplanning7Juran’sContri

5、butionPlanningCostofPoorQuality(Percentofoperatingcosts)ProductionBeginsOriginalzoneofprocesscontrolNewzoneofprocesscontrol020400ControlTimeImprovementLessonsLearnedSporadicspikefromobservedproblemChronicWaste(anopportunityforimprovement)ControlSpecialcausev

6、ariationCommoncausevariation8CrosbyCrosbytaught:CustomerrequirementisperformancestandardQualitymaturityisajourneyPreventiveactionasbasicapproach9TaguchiTaguchitaught:CostofpoorqualityislosstosocietyasawholeRobustqualityisdesignedforconsistentproductionDesign

7、controlismoreimportantthanproductioncontrol10Taguchi’sContributionLowerSpecificationLimitUpperSpecificationLimitNominalValueRegionofCustomerComplaintsRegionofCustomerComplaintsRegionofQuestionablePerformanceRegionofQuestionablePerformanceRegionofSpecifiedPer

8、formanceMeanLowerControlLimitUpperControlLimitRegionofDesiredPerformanceCost11WhatAretheLimitstoImprovement?2Sigma3Sigma4Sigma5Sigma6SigmaBasicQualityToolsStatisticalToolsDesignforSixSigma(DFSS)