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ID:37240664
大小:113.43 KB
页数:11页
时间:2019-05-20
《Takt Time节拍生产》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、FatFreeOperationsTaktTimeandPacingProductionSamuelE.PonceTakttimeandPacingProductionFatFreeOperationsLeanEnterpriseSystem-DefinitionLeanEnterpriseSystem(LES)isanoperatingandimprovementsystemwhosegoalistodelivertotheCustomersexactlyWHATtheywant,onlyWHENtheywantitjustintheAMOUNTtheywant.Thisgoali
2、sachievedthroughtheeliminationofallformsofwaste.LEShasitsfoundationonTPS(ToyotaProductionSystem).Amajorfeatureofanyleandeliverysystemistheintroductionofasinglepulse(TAKT)conceptthroughouttheflowtomirrorcustomerdemand.Thesignalisintroducedatoneandonlyoneoperationwithinthedeliverysystemflow.Samue
3、lE.PonceTakttimeandPacingProductionFatFreeOperationsLeanManufacturingSystem-DefinitionOneofthekeydependenciesofaLeanManufacturingSystemistheprinciplethatdefectsareNEVERpassedontothenextoperation.TaktTime-DefinitionTakttimeishowoftenaproductshouldbefabricatedBASEDontheRATEofrealCustomerSales(For
4、ecast/Actual)TAKTiscalculatedby:AvailableTime/ShiftorDay(intimeunits)CustomerDemandRate/ShiftorDaySamuelE.PonceTakttimeandPacingProductionFatFreeOperationsTaktTime-DefinitionTaktisusedtosynchronizethepaceofproductionwiththepaceofsales,particularlyatthe“DrumbeatProcess”Taktisareferencenumberthat
5、givesasensefortheRATEatwhichtheprocessSHOULDbeproducing.Taktalsohelpstoseehowthingsarebeingdoneandwhatimprovementsmightberequired.Taktenables:•Fastresponsetoproblems(withinTakt).•Unplanneddowntimecauseselimination.•Changeovertimereduction.SamuelE.PonceTakttimeandPacingProductionFatFreeOperation
6、sDrumbeatprocess-IntroductionDrumbeatistherhythmthattheprocessshouldbeworkingataccordingtothepacesalesarebeingmade.Typicallyitisonlyrequiredtoscheduleatonepoint(thedrumbeatprocess)inthevaluestreamifsupermarketpullsystemistobeused.Controllingtheproductionatthisprocesssetstherhythmforallupstreamp
7、rocesses.SamuelE.PonceTakttimeandPacingProductionFatFreeOperationsDrumbeatProcess-IntroductionSelectingthe“DrumbeatProcess”ScheduleStation10Station20Station30Station40PullPullPullCustomerDrumbeatFlowScheduleStation10Station20Stati
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