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1、11JustinTimeandLeanProductionSystem准时生产和精细生产11.1JIT准时生产的实质11.2KanbanSystem看板控制系统11.3Pre-ConditionsofJIT组织准时生产的条件11.4LeanProduct精细生产PeopleLeanProductionThroughWasteEliminationOperationalStabilityJITQualityattheSourceToolsofLeanManufacturingPullSystems/KanbanAToolforImplementi
2、ngPullSystemsHangzhou,2021/10/151©CaoMin11.1JIT准时生产的实质Motive:exposesandeliminateswaste,andcontinuingimprovementNeedtoreducecostTraditionalMethod(Push)SellerDrivenModernMethod(Pull)CustomerDrivenSellingPriceProfit=Cost+(SELLER)SellingPrice-Cost=PROFIT(MARKET)Hangzhou,2021/10/
3、152©CaoMinTypesofWasteOverproductionWaitingTransportationInventoryInefficientprocessingUnnecessarymotion/movementProductdefects凡是超出增加产品价值所绝对必要的最少量的设备、材料、零件和工作时间的部分，都是浪费Wasteis‘anythingotherthantheminimumamountofequipment,materials,parts,space,andworker’stime,whichareabsolute
4、lyessentialtoaddvaluetotheproduct.’—ShoichiroToyodaPresident,ToyotaInventoryHidesProblems inProductionandOperationsManagementQualityProblemsMaterialShortagesMachineBreakdownsWorkloadImbalancesWorkerAbsenteeismOut-of-SpecMaterialsQualityProblemsWIPInventoryProblemsinProductio
5、nwaterlevelmustbereducedHangzhou,2021/10/154©CaoMinJITphilosophyJustinTime:producingwhatthenextdownstreamworkstationsneedJITisamanagementphilosophyofcontinuousandforcedproblemsolving.Suppliesandcomponentsare‘pulled’throughsystemtoarrivewheretheyareneededwhentheyareneeded.del
6、ivertherightproduct,inrightqualityandrightstatus,intherightquantity,attherightprice,intherightplace,attherighttime,torightpeople,withoutanywaitinganddisjointfromthesupplierstointernalprocess.Goals:zeroinventory,zerodefects,zerosetups,zerowasteshortentheresponsetimetocustomer
7、needcontinuingwasteeliminationHangzhou,2021/10/155©CaoMinJIT:stocklessproductionaidealstandard,alimitwith"zero"actualproductioncanneartoitillimitably,butnevertouchit.improvementbecomescontinuingbecauseofthelimitamethodcontinuingimprovementreduceinventory-->exposeproblemsandb
8、ottlenecks-->solvetheproblems-->reduceinventory-->......aprocessofinfinitel
