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1、Ccapacity ppt 1 APACIT 1994GeneralMotorsCorporation Allrightsreserved Y 2 07 01PDF文件使用 pdfFactory 试用版本创建 1994GeneralMotorsCorporation Allrightsreserved SUPPLIERDEVELOPMENTTOOLSCAPACITYWORKSHOPEXECUTIVESUMMARY PURPOSE SCOPE METHOD AssistSupplierintheIdentificationAndTheEliminationofPotentialProductio
2、nShortfallsBetweenCapacityandRequirements MayIncludeAllFunctionalAreasAndProductionOperations Datacollection workshop targettedactions LOGISTICS ConductedUtilizingJointGM SupplierTeam capacity ppt 22 07 01PDF文件使用 pdfFactory 试用版本创建 Q CHECK C OPERATION Identifypilotarea Makeallpeopleaffectedawareofwha
3、tisgoingtohappen Selectteammembers Identify opportunitiestoimproveAnalyze select Developactionplan applyzero low costideasfirst Implementnewmethod A S A P Verify adjust LookfornewopportunitiesRecognizeeffortsofpeople Definecurrentsituation OPERATION NO DESCRIPTIONOFOPERATION W FROM TO ELEMENTTIMEHAN
4、DWORKMACHINEALK QUANTITYPERSHIFT SHIFT STANDARDIN QUALITYPROCESSSTOCK CUSTOMERCYCLETIME OPERATORCYCLETIME CRITICALSAFETY SupplierDevelopmentWorkshopProcess Discussplan withstakeholdersWORKSTATIONAREADRAWNTOSCALE03 23 94 1994GeneralMotorsCorporation Allrightsreserved PDF文件使用 pdfFactory 试用版本创建 capacit
5、y ppt 4 CAPACITYWORKSHOPAGENDA IntroductionTheoryofConstraintOverview5StepImprovementProcessDataCollection DataAnalysisConstraintIdentificationStrategyImplementationMeasureImprovementWrap Up 1994GeneralMotorsCorporation Allrightsreserved 2 07 01PDF文件使用 pdfFactory 试用版本创建 1994GeneralMotorsCorporation
6、Allrightsreserved TheoryofConstraintOverviewFLOW capacity ppt 52 07 01PDF文件使用 pdfFactory 试用版本创建 1994GeneralMotorsCorporation Allrightsreserved BOTTLENECKAnOperationWhichLimitstheOverallOutputofaSeriesofOperations1 000900 800700600500 4003002001000 1 2 3 4 5 6 7 8 Bottleneck Demand CAPA CITY OPERATIO
7、NCAPACITY DEMAND capacity ppt 62 07 01PDF文件使用 pdfFactory 试用版本创建 1994GeneralMotorsCorporation Allrightsreserved CONSTRAINTABottleneckbecomesaConstraintwhenitcannolongersatisfythedemandplaceduponitThus anyresourcewhosecapacityislessthanthedemandplaceduponitisaConstraint1 000900 800700 6005004003002001
8、000 1 2 3 4 5 6 7 8 Constraint Demand CA PACITY OPERATIONCAPACITY DEMAND capacity ppt 72 07 01PDF文件使用 pdfFactory 试用版本创建 1994GeneralMotorsCorporation Allrightsreserved DEFINITIONAconstraintisthatactivitywhichmostlimitstheorganization sabilitytoachievehigherperformancerelativetoitspurposeorgoal Typeso
9、fConstraintsCapacity CapacityDemandPolicy ManagementDecision capacity ppt 82 07 01PDF文件使用 pdfFactory 试用版本创建 1994GeneralMotorsCorporation Allrightsreserved ConstraintTypesCapacity Customerswantmoreproductthancanbesupplied Symptoms equipmentoverworked noPreventativeMaintenance highpremiumcosts overtim
10、e Example StampingPresscanonlymake5 000partsperday butthecustomerrequires6 100 Market Customersdonotwantasmuchproductascanbeproduced Symptoms wastedequipment highercostsincurred lowefficiency Example CastingforsixhourswiththemachineidlefortheremainderofthedayPolicy Managementdecisionsdictatehowthebu
11、sinessshalloperate Symptoms unabletochange highcostsolutionsinsteadoflowcost Example tagreliefnotusedduringaconstraint maximumovertimeallowedperweek resultsinmoremachinerybeingused capacity ppt 92 07 01PDF文件使用 pdfFactory 试用版本创建 capacity ppt 10 CONSTRAINTSYMPTOMS BuildupofInventoryPriortoanOperationD
12、ownStreamOperationsStarvedforPartsExpeditingExcessiveMaterialHandlingatanOperationPremiumFreightOvertimeNoTimeforPreventativeMaintenanceConstantScheduleChanges 1994GeneralMotorsCorporation Allrightsreserved 2 07 01PDF文件使用 pdfFactory 试用版本创建 1994GeneralMotorsCorporation Allrightsreserved 5StepImprovem
13、entProcessStep0 EstablishBaselineStep1 IdentifyConstraint BottleneckStep2 ExploitConstraintStep3 Subordinatenon constraintsStep4 Elevatea RunAlloftheTimeb AddCapacityStep5 Restudy capacity ppt 112 07 01PDF文件使用 pdfFactory 试用版本创建 RepairLoop s Station BuffersParallel Power FreeConveyor ISTHEREACONSTRAI
14、NT Back UpStation Buffers FinishedProductExitPoint RawMaterialEntryPointcapacity ppt 12 ParallelStationsHERE HERE StationsHERE AccumulatingConveyorBack Up HERE 1994GeneralMotorsCorporation Allrightsreserved HERE 2 07 01PDF文件使用 pdfFactory 试用版本创建 1994GeneralMotorsCorporation Allrightsreserved ISONEPAR
15、AMETERSUFFICIENT 10 20 30 40 50 1000 89 190 280 300 10 20 30 40 50 65 10 20 30 40 50 4 7 10 20 30 40 50 10 20 30 40 50 1 0 10 20 30 40 50 65 2 MeanTimeBetweenFailures JobsPerHour OccurrencesofFailure MeanTimeToRepair6 5 Scrap Lookingattheseindividualreports whatwouldyousayisthemainbottleneck 67 80 7
16、5 71 4 5 5 3 12 8 0 44 4 4 2 0 1 5 4 2 2 0 1 0 0 1 0 4 37 6 4 6 TotalDowntime87 5 0 3 capacity ppt 132 07 01PDF文件使用 pdfFactory 试用版本创建 1994GeneralMotorsCorporation Allrightsreserved THETYPICALPLANTENVIRONMENT PlantOperatesataProductivityPlateau WithHighThroughputVariability PlantThroughputIsOften10 to50 BelowDesignedRate LostProductionIsMadeupWithOvertime ProductionBlamesMaintenance MaintenanceBlamesProduction GeneralAssemblyBlamesPaint PaintBlamesBody Etc InManyofOurPlants We reCollectingVastQua
