六西格瑪在提高燒結礦ISO轉鼓強度中的應用.pdf

1、天津大學碩士學位論文六西格瑪在提高燒結礦ISO轉鼓強度中的應用姓名：胡榮建申請學位級別：碩士專業(yè)：工商管理指導教師：何楨20070501ABSTRACTWiththecompletionofthenew15millionstainlesssteelsystemsengineering，TAIYUANIRoN&STEEL(GROUP)COMPANYLTD(hereinafterreferredtoasTisco)becomesasuper

2、largesteelproducerwiththegreatestcapacityandmostadvancedequipment確egreatestcapacitydoesn’tmeanTiscoisthemoststrongestSocontinuouslyupgradingtheintegratedcompetitivepowerwhichputthequalityinthecenteristhemostchallengingta

3、skTiscowillface。Tiscoalsoputsforward‘refinement，informatization，internationalization’’requirementsinwhichupgradingTiscomanagementrefinementlevelbecomesthecorerequirement。氈ordertosetupscientificandsustainedimprovementsyst

4、emaswellasrealizethe‘refinement”targetfromthesecondhalfyearof2004，TiscoinductedsixsigmamanagementmethodsTheconceptionof‘‘refinement’issixsigmaphilosophyandthetargetof“refinement’issixsigmalevelSomethodofrealizationof“ref

5、inement’’isthedesignationandimprovementofsixsigma。ThisarticleespeciallyintroducedthesixsigmaoperationimprovementmethodasawholesetofsystemaswellasthefunctionofupgradingcustomssatisfactionduringcontinuousimprovementofTiseo

6、operationflowThisarticlealsoexpandedTiscomethodandeffectinadvancingsixsigmaimprovementbyintroducingsixsigmaapplicationinimprovementofTiscoironmakingplantsinterqualityThekeypointofthisarticleistosolveaproblemhowtoimprovei

7、ron—makingplantNo1sinteringareasinterlSOdrumstrength。TheprocessofthewholetopicresearchgoesbythesixsigmaDMAICflowThekeyqualityspecialityCTQinfluencingcustomsatisfactionisfirstlydecidedandtheproblemisdefinedaccordingtotheC

8、TQThensomemeasurementanalysiswillbemadeandthekeyfactorischosen。Finallythroughthescientificexperimentaldesign，theadaptationlevelofallkindsoffactorsinfluencingthesinterISOdrumstrengthcanbefoundrapidlyandaccuratelyThentheke

9、yfactorwillbecontrolledbyadoptingagreatmanyofstatisticalprocesscontrol(SPC)andrealizethetargetofqualityimprovement。Intheend，someproblemsmetduringTiscoIS09000qualitysystemworkandmethodsofresolutionareintroducedindetailint