GE LEAN现场管理资料-瓶颈管理(PDF 36页)英文版

1、Ccapacity.ppt-1APACIT©1994GeneralMotorsCorporation.Allrightsreserved.Y2/07/01PDF文件使用pdfFactory试用版本创建©1994GeneralMotorsCorporation.Allrightsreserved.SUPPLIERDEVELOPMENTTOOLSCAPACITYWORKSHOPEXECUTIVESUMMARYPURPOSE:SCOPE:METHOD:AssistSupplierintheIdentificationAndTheEliminationofPotentialProductionShortfallsBetweenCapacityandRequirements.MayIncludeAllFunctionalAreasAndProductionOperations.Datacollection,workshop,targettedactionsLOGISTICS:ConductedUtilizingJointGM/SupplierTeam.capacity.ppt-22/07/01。

2、PDF文件使用pdfFactory试用版本创建(applyzero/lowcostideasfirst)ImplementnewmethodA.S.A.P.Verify&adjustLookfornewopportunitiesRecognizeeffortsofpeopleDefinecurrentsituationOPERATION:NO.DESCRIPTIONOFOPERATIONWFROM:___________________________TO:_____________________________ELEMENTTIMEHANDWORKMACHINEALKQUANTITYPERSHIFT:______________SHIFT:________STANDARDIN-QUALITYPROCESSSTOCKCUSTOMERCYCLETIME:__________________OPERATORCYCLETIME:__________________CRITICALSAFETYSupplierDevelopmentWorkshopProcessDiscussplanwiths。

3、takeholdersWORKSTATIONAREADRAWNTOSCALE03/23/94©1994GeneralMotorsCorporation.Allrightsreserved.PDF文件使用pdfFactory试用版本创建••••••••IntroductionTheoryofConstraintOverview5StepImprovementProcessDataCollection/DataAnalysisConstraintIdentificationStrategyImplementationMeasureImprovementWrap-Up©1994GeneralMotorsCorporation.Allrightsreserved.2/07/01PDF文件使用pdfFactory试用版本创建©1994GeneralMotorsCorporation.Allrightsreserved.TheoryofConstraintOverviewFLOWcapacity.ppt-52/07/01PDF文件使用pdfFactory试用版本创建©1994GeneralMoto。

4、rsCorporation.Allrightsreserved.BOTTLENECKAnOperationWhichLimitstheOverallOutputofaSeriesofOperations1,000900800700600500400300200100012345678BottleneckDemandCAPACITYOPERATIONCAPACITYDEMANDcapacity.ppt-62/07/01PDF文件使用pdfFactory试用版本创建©1994GeneralMotorsCorporation.Allrightsreserved.CONSTRAINTABottleneckbecomesaConstraintwhenitcannolongersatisfythedemandplaceduponitThus,anyresourcewhosecapacityislessthanthedemandplaceduponitisaConstraint1,000900800700600500400300200100012345678ConstraintDemandCAPAC。

5、ITYOPERATIONCAPACITYDEMANDcapacity.ppt-72/07/01PDF文件使用pdfFactory试用版本创建©1994GeneralMotorsCorporation.Allrightsreserved.DEFINITIONAconstraintisthatactivitywhichmostlimitstheorganization’sabilitytoachievehigherperformancerelativetoitspurposeorgoal.TypesofConstraintsCapacity:•CapacityDemandMarket:•CapacityDemandPolicy:•ManagementDecisioncapacity.ppt-82/07/01PDF文件使用pdfFactory试用版本创建©1994GeneralMotorsCorporation.Allrightsreserved.ConstraintTypesCapacity•Customerswantmoreproductthancanbesupplied•Symptom。

6、s:equipmentoverworked,noPreventativeMaintenance,highpremiumcosts,overtime•Example:StampingPresscanonlymake5,000partsperday,butthecustomerrequires6,100.Market•Customersdonotwantasmuchproductascanbeproduced•Symptoms:wastedequipment,highercostsincurred,lowefficiency•Example:CastingforsixhourswiththemachineidlefortheremainderofthedayPolicy•Managementdecisionsdictatehowthebusinessshalloperate•Symptoms:unabletochange,highcostsolutionsinsteadoflowcost•Example:tagreliefnotusedduringaconstraint,maximumov。

7、ertimeallowedperweek,resultsinmoremachinerybeingusedcapacity.ppt-92/07/01PDF文件使用pdfFactory试用版本创建••••••••BuildupofInventoryPriortoanOperationDownStreamOperationsStarvedforPartsExpeditingExcessiveMaterialHandlingatanOperationPremiumFreightOvertimeNoTimeforPreventativeMaintenanceConstantScheduleChanges©1994GeneralMotorsCorporation.Allrightsreserved.2/07/01PDF文件使用pdfFactory试用版本创建©1994GeneralMotorsCorporation.Allrightsreserved.5StepImprovementProcessStep0:EstablishBaselineStep1:IdentifyConstraint/Bot。

8、tleneckStep2:ExploitConstraintStep3:Subordinatenon-constraintsStep4:Elevatea:RunAlloftheTimeb:AddCapacityStep5:Restudycapacity.ppt-112/07/01PDF文件使用pdfFactory试用版本创建(s)StationBuffersParallelPower&FreeConveyorISTHEREACONSTRAINT?Back-UpStationBuffersFinishedProductExitPointRawMaterialEntryPointcapacity.ppt-12ParallelStationsHERE?HERE?StationsHERE?AccumulatingConveyorBack-UpHERE?©1994GeneralMotorsCorporation.Allrightsreserved.HERE?2/07/01PDF文件使用pdfFactory试用版本创建©1994GeneralMotorsCorporation.Allrightsr。

9、eserved.ISONEPARAMETERSUFFICIENT?102030405010008919028030010203040506510203040504.7102030405010203040501.0102030405065.2MeanTimeBetweenFailuresJobsPerHourOccurrencesofFailureMeanTimeToRepair6.5ScrapLookingattheseindividualreports,whatwouldyousayisthemainbottleneck?678075714.55.312.80.444.42.01.54.22.01.00.10.437.64.6TotalDowntime87.50.3capacity.ppt-132/07/01PDF文件使用pdfFactory试用版本创建©1994GeneralMotorsCorporation.Allrightsreserved.THETYPICALPLANTENVIRONMENT••••••PlantOperatesataProductivityPlateau,W。