南京工程学院质量管理第16讲6SIGMA

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1、质量管理学第九章6SIGMA南京工程学院经济管理学院高峰7/24/20211SixSigmaConcept7/24/20212WhatisSixSigma?The“hottest”qualityprogramItisaframeworkforoperationaldevelopmentManagementPeopleToolbox“Abreakthroughstrategyforprofitability”6sWORLD7/24/20213“SixSigmaisagoalforprocessimprovementthatforcesustoputourvi

2、sionofqualityinnumericalterms”7/24/20214“Goodqualitydoesnotnecessarilymeanhighquality.Itmeansapredictabledegreeofuniformityanddependabilityatlowcostwithaqualitysuitedtothemarket.”Dr.W.EdwardsDeming7/24/20215BuildingBlocksSixSigmaCustomerFocusBusinessProcessRe-engineeringISO9001/1400

3、1SPC,StatisticalProcessControlTQM,TotalQualityManagement7/24/20216SixSigmainaNutshellVision6s-3.4defectsper1millionopportunities-99.99997%yieldPeopleBlackBelts&YellowBelts-WehavethepeopletodoitToolsStatisticsandTeamwork-Weprovidethetoolstodothework7/24/20217ChangingyouqualitymeansCh

4、anging!!!Today’squalityistheresultofyesterday'smanagement.Tomorrow'squalitywillbetheresultoftoday'smanagement.Ifyoualwaysdowhatyou'vealwaysdone,you'llalwaysgetwhatyoualwaysgot.7/24/20218“Ifyoucontinuetomanagethebusinessthewayyouhavealwaysmanagedit,youwillcontinuetoachievethesameresu

5、lts.”Continuingtomanagethebusinessasyouhavealwaysmanagedit,andbelievingthatsomehow,mysteriously,performancewillimprove.….Weneedtochangethewaywedothings.Ifwewantthingstoimprove…...7/24/20219VariationOurbusinessenemy#17/24/202110Y=f(χ)Question1)Y或X中对哪一个聚焦?Question2)假如X良好的话,有没有必要继续实验及检

6、查Y?Y从属变数Output结果现象观察监视的对象X1…Xn独立变数Input原因根源问题控制对象6sigma活动方法6Sigma活动是对根本原因的因子（CTQ)聚焦后，展开改善活动WhatisVariation?Unit1Unit2Unit3Unit4Unit1Unit2Unit3Unit4Unit1Unit2Unit3Unit4Unit1Unit2Unit3Unit4Process1Process2Process1Process2Process1Process2Time7/24/202112Process1Process2Process3WhatisVar

7、iation?7/24/202113sm99.9999998%99.999943%99.9937%99.73%95.45%68.27%123456-6s-5s-4s-3s-2s-1s01s2s3s4s5s6s1TheNormalDistribution7/24/2021146699.9999998%yield99.9999998%yieldreducevariationincreasetolerance99.73%yieldHowDoYouGetToSixSigmaPerformance?7/24/202115Short-termLSLU

8、SL-6s-5s-4s-3s-2s-1