《σ标准差教材》PPT课件

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1、6OverviewSixSigma:-ADefinition-AppliedtoGE-GEQualityInitiative-WhyThisApproach?-OriginofSixSigma-The“BreakthroughStrategy”-ArrivingatSigmaSixSigmaStructureKeyConcepts&ToolsAPracticalExampleAnOverview....NotalotofDetails!!6Overview“SixSigma”Ifwecan’texpresswhatweknowinth

2、eformofnumbers,wereallydon’tknowmuchaboutit.Ifwedon’tknowmuchaboutit,wecan’tcontrolit.Ifwecan’tcontrolit,weareatthemercyofchance.MikelJ.HarryPresident&CEOSixSigmaAcademy,Inc.ARigorousMethodforMeasuring&ControllingOurQuality“...willbringGEtoawholenewlevelofqualityinafracti

3、onofthetimeitwouldhavetakentoclimbthelearningcurveonourown.”JohnF.Welch,Jr.1995GEAnnualReport6OverviewWhatDoes“Sigma”Mean?SigmaisaMeasureoftheConsistencyofaProcessIt(isAlsothe18thLetterintheGreekAlphabet!WhyDoesGENeedAQualityInitiative?GERaisingTheBarNewGoaltobe“Besti

4、ntheWorld”vs.#1or#2CustomersareExpectingMore,weMustDeliver“Ship-and-fix”ApproachnoLongerToleratedintheMarketAimtoSpeedPastTraditionalCompetitorsin5YearsGoalConsistentwithReducedTotalCostsWeMustAcknowledgeOurVulnerabilitiesPoorQualityThatImpactsCustomersProblemswithNPITooH

5、ighInternalCosts6OverviewWeNeedaMajorInitiativetoMoveFromWhereweAretoWhereweWanttobe6OverviewWhyDoesGENeedAQualityInitiative?40%35%30%25%20%10%15%5%CostofFailure(%ofSales)DefectsperMillion3.4233621066,807308,537500,000Sigma654321EstimatedCostofFailureinUSIndustryis15%of

6、Sales;TakingGEFroma3toa6CompanyWillSave~$10.5BillionperYear!Why“SixSigma”?ProvenSuccessfulin“Quality-Demanding”Industriese.g.,Motorola,TexasInstruments(manyprocessstepsinseries)ProvenMethodtoReduceCostsHighlyQuantitativeMethod–ScienceandLogicInsteadofGutFeelIncludesManu

7、facturing&Service(closetocustomer)andProvidesBridgetoDesignforQualityConceptsHasSupportandCommitmentofTopManagementItWorks!!!6OverviewSigma3456SpellingMoneyTime1.5MisspelledWordsperPageinaBook1MisspelledWordper30PagesinaBook1MisspelledWordinasetofEncyclopedias1Misspe

8、lledWordinalloftheBooksinaSmallLibrary$2.7MillionIndebtednessper$1BillioninAssets$570Indebtednes