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:100725429(2004)0220081206:2003-03-03;:2003-05-30:(19772),,,,(,200030):,,,,,,,;,:;;:F406.2:ATheSystematicImprovementinWorkshopLIHua2zeng,SUNXiao2ming(SchoolofMechanicalEngineering,ShanghaiJiaoTongUniversity,Shanghai200030,China)Abstract:Ausefultoolforsystematicimprovementoftheproductionsystemisillustrated.First,mapthecurrentstateofthesystemusingspecifiedlegend,thendesignadesiredstateofthefuture,andachievethisfuturestatewiththeimplementationofthekeytechnique.Byintegratingthematerialflowandinformationflowintheanalysisprocess,itsmucheasiertocalculatethetimefornovalue2addingactivitiesandtofindoutthebreakpointinmaterialflow.Wastesintheproductionsystemwillbeexposed.Anapplicationcaseisprovidedtoillustratebenefitsofthistool.Keywords:leanproduction;systematicimprovement;productionsystem1,,,,,,,,(Takttime);,,,,,2,1,,,(),,18IndustrialEngineeringandManagementNo.2,200420042,,,12.12,,:2(1)(),2:():,18400(LR),,12000L6400R20,20(2),2,1212,,,,,:C/T()C/O()()EPE()(3)m,nD,:D=rmi=1TiQi+rmi=1CiOiSTi=1,2,,m;k=1,2,,nTi:iTi=Max{Ti1,Ti2,,Tik,,Tin}28,:Tik:ikQi:iOik:iCi:m,Cii-1S:T:,T=83600=28800(4),,,(),()2,,,(5),,(C/T),;,,,2,,,2,(23.4VS206),,?2.2,,,:(1)(TaktTime),,(2),,()(3),(4),(5),,:(1)?()?(2)??(3)()???(4)(),?,3:(1),,68.3(TaktTime)(2),,3:3,38IndustrialEngineeringandManagementNo.2,2004200423(3)/,(4):,;LR(10min),;2;/,206s3,,:,;;,;448,:3.1,/4,3.2()55():,,5S3.3()7,,,(),(6)3:(1),6(2),(3)73.48858IndustrialEngineeringandManagementNo.2,2004200423.5(35%),(41),,,:100%:45/70=64.3%(75%):20/70=28.6%(57%):40/70=57.1%(73%)4,,:(1),;(2);(3),;(4),,;(5),,,,:[1],.[M].:,1999.[2],.[M].:,1999.[3]BichenoJ,HolwegM.ConstraintBatchSizinginaLeanEnvironment[J].InternationalJournalofProductionEconomics,2001,73(1).[4]SullivanWG.EquipmentReplacementDecisionsandLeanManufacturing[J].RoboticsandComputer2IntegratedManufacturing,2002,18(324).[5]HinesP,RichN.TheSevenValueStreamMappingTools[J].IntJOperProductManagement,1997,27(3/4).(80),,,,,,,,,4:,;,;,;,,,:[1].[J].,1997,(3):17-22.[2].[M].:,1997.[3].2001[J]..2002,(3):28-31.[4].[J].,2002,(10):28-32.[5]UnitedNationsConferenceonTradeandDevelopment.WorldInvestmentReport2002:Cross-borderMergersandAcquisitionsandDevelopment[R].2002.[6],,.[J].,2003,8(1):13-16.68,: