sixsigma简介学习课件.pptxVIP

SixSigmaBasicConcept

六個標準差基本概念;一.Preface

1.1980USAfacetoJapan’scompetition

--Japan’sweapon:quality

2.1985:Motorola’sengineer

BillSmithreported,”ifaproductwasfound,defectiveandcorrectedduring

theproductionprocess,otherdefectswereboundtobemissedandfound

laterbythecustomerduringearlyuseoftheproduct,However,whenthe

productwasMFGerror-free,itrarelyfailedduringearlyusebythecustomer.”

3.1987Motorolaphasein6sigma

4.1989MotorolawintheMalcolmBaldrigeNationalQualityAward.

5.1991AlliedSignalphasein6sigma,

---Saving0.6BUSD/YR

---Productivity:6%up

---Profit:improved13%

6.1996GEphasein6sigmaduetoAlliedSignal’sresult.;6SigmaConcepts;希格瑪規格界限;希格瑪常態分配;希格瑪品質水平;希格瑪水平移動1.5個希格瑪對準中央

缺點率(ppm)與希格瑪品質水平之關系;不良品質的成本;三.WhatisSixSigma;3.Historyof6Sigma;4.Thecostofquality;(2).6sigmafocuson

1).Asystematicroadmaptoreducevariabilityinaprocess

thoughassimilationorganizationofinformationthat

increasebottomlinedollarsavings.

2).Theprocessthatcreatesoreliminatesthedefectsratherthen

thedefectsthemselves.

3).Process:;5.Theprocessofsixsigma

Measure1.SelectCriticalToQualitycharacteristic

2.Defineperformancestandard

3.Validatemeasurementsystem

Analyze4.Establishproductcapability

5.Defineperformanceobjectives

6.Identifyvariationsources

Improve7.Screenpotentialcauses

8.Discovervariablerelationship

9.Establishoperatingtolerances

Control10.Validatemeasurementsystem

11.Determineprocesscapability

12.Implem