劳斯莱斯精益案例.pdf

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1、ValueStreamMappingValueSteamMappingTheValueStream-adefinition“Allofthestepsrequiredtobringaproductorservicefromrawstatethroughtothecustomer”TotalValueStreamSupplierProcessProcessProcessCustomerCBAInternalPlant2ValueSteamMappingWhatisValueStreamMapping?ValueStreamMappi

2、ngisapowerfultechniquethatallowsustocreatea“BIGPICTURE”visualrepresentationof:–Allthestepsintheprocess,workingbackfromcustomerdemandtorawmaterial–Theflowofbothmaterialandinformationandtheeffecttheyhaveoneachother–Thedistinctionbetweenvalue-addedandnon-value-addedactiv

3、ity(WASTE)–Theeffectalloftheabovehaveonmeetingthecustomer’srequirements3ValueSteamMappingThe8WastesScrap/ReworkOver-productionInventoryMotionProcessingWaitingUnder-utilizedPeopleTransportation(manpower,material,machine)4ValueSteamMapping#1Scrap/ReworkDefinition:–Anypr

4、oductthatdoesnotmeetspecificationsandthereforeeitherneedstobereworkedorscrappedGoal:–100%FirstTimeThroughQuality5ValueSteamMapping#2Over-production(Under)Definition:–Producingmorethanisnecessary,oftencausingWIP(WorkInProcess);workingonpartsaheadofschedulewhiledelinque

5、ntpartswaitGoal:–ProducetoTargetCycleTimetheneventuallyproducealloperationstoTaktTimeintheFutureState6ValueSteamMapping#3InventoryDefinition:materialorpartsthatarestoredforfutureuseorshipmentBeforeAfterIfyouhadonly30secondstofindtheunit…...whichstoragesystemwouldyouch

6、oose?7ValueSteamMapping#4MotionDefinition:–ExcessivemotionbeyondwhatisneededtogetthejobdoneGoal:SameasDefinition???sittingsearchingturningwalkingaroundclimbingchoosingbendinglyingdownover8ValueSteamMapping#5Processing(Over&Under)Definition:–Extraand/orunnecessaryopera

7、tions–Standardizationofoperationsnotthoroughenough–ProcessingapartabovespecificationsGoal:–Processpartsthatconsistentlymeettheminimumcustomerrequirements100%ofthetime9ValueSteamMapping#6TransportationDefinition:–Movingpartstounnecessarydistancesfromoneoperationtoanoth

8、erGoal:–Putoperationsinorder;minimizeoreliminatethetraveldistancebetweenthem10ValueSteamMapping#7WaitingDefinition:–apersono