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1、同濟大學碩士學位論文六西格瑪理論研究及對原料檢驗改進的探索姓名:趙英軍申請學位級別:碩士專業(yè):管理科學與工程指導教師:王效俐20050301AbstractABSTRACTSinceMotorolaCompanypursued6sigmain19876sigmaideahasbeenspreadandpopularizedrapidlyintheAmericanEuropeanenterpriseitsideahasalsomadech

2、angeforsomesuccessfulenterprisesintheworldconstantly.Underpromptingofthespringtideon6sigma.Some500topenterprisesofthewealthsuchasGeneralElectricDuPontNokiaetc.haveunprovedthequalitylevelofenterprisesremarkablythroughlaun

3、chingthequalitymanagementactivityofssigmaoneafteranotherhaveimprovedcustomersatisfactionandobtainedthegreatfinancialincome.AsChinajoinsWTOmanufacturingcompanyofourcountrymustfacetheseveretestthatcompetingwithlargescaleen

4、terpriseoftheworld.Inordertoobtainoneseatinthefiercemarketcompetitiondrawinglessonsfromsuccessfulssigmaproceduretostrengthentheenterprisescorecompetitivenesshasalreadybecomethecommonunderstandingsinlotsofenterprises.Howe

5、verthecontrolofqualityreducingofthecostisnottheimprovementofthesinglelinkitmustberealizedbythequalitycontrolofente印riseswholeproductionprocessespeciallythecontrolonheadwaterssourcequalityofproduction.Sothisdissertationis

6、onthebasisofunderstanding6sigmaprocedurethoroughlytoexploretheimprovementof6sigmainthecourseoftherawmaterialsexaminationcombiningwiththeauthorsdailywork..Duringthestudyofthedissertationtheauthorhasreviewedthedevelopmentc

7、ourseof6sigmamanagementatfirstheanalysedthereasonwhysigmadevelopsrapidlyexpoundedwhypursue6sigmatotherawmaterialsexemination.Secondtheauthorcompared6sigmaprocedureandtraditionalqualityprocedureandhealsoimplementedtheaimo

8、fssigmaprocedureclearlyatthesametime.Moreovertheauthorcombinedhisownrealityofworkproposedtheimprovementmodeof6sigmamethod加therawmaterialsexeminattonandhascarriedondetailedexpositiontotheconcretestepofthismode.Fourthautho

9、rimplementwithACompanycourseheexperiencedtherealexampletoexaminetherawmaterialsimprovementmodeanddrawthecorrespondingconclusion.Finallytheauthorputforwardsomeviewsandsuggestionsontheimplementationof6sigma.Duringtheresear

10、chofthedissertationtheauthorhasfurtherstudiedthefivestepsof6sigmaDMAICmakeitusetotherawmaterialsexeminationthusrealizethegoalthatreducetheproductioncostofmanufacturingcompanyfundamentalymeanwhileofervalidreferenceforthee

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