价值流图分析

AGENDACompleteVisionstatementPresentationOnValueStreamMappingExercise“LearnByDoing”SelectProcess&ProcessTeamsSetnextreviewmeeting.ValueStreamMappingDuracell-LeanManufacturingInitiativeValueStreamMappingWhatisaValueStream?WhatisValueStreammapping?Whytheneedformapping?Howdoesitbenefitus?HowtheValueStreamismapped.Howtogetinvolved.WhatIsAValueStream?Thevaluestreamisthesetofspecificprocessesorstepstakenthatarerequiredtoproduceaproductorservicebyanybusiness.Itincludesinformationmanagementtaskssuchasordertaking,planning,schedulingaswellasphysicaloperationssuchasmanufacturing,testingandshipping.WhatIsValueStreamMapping?Manufacturingprocessesarethebasisonwhichabusinesscreatesitswealth(money).Someprocessesaddvalueandsomeareessentialbutdon’taddvalue,andsomearesimplywastefulandshouldn’thappenatall.Toimprovethebusinessweneedtoknowthedifferencebetweentheseprocesses.WhatIsValueStreamMapping?Knowingthegoodprocessesandwastefulprocessesallowsustodevelopaplanforimprovement.Aneffectivewaytoknowthedifferencebetweengoodprocessesandbadprocessesistoundertakevaluestreammapping.“Byunderstandingthewholeprocessfromrawmaterialtofinishedproductweareabletoseewherewecanremovewaste”-Wiseman.WhyTheNeedForV/SMapping?Tobesuccessfulweneedtocontinuouslystrivetobecompetitive.Tobecompetitivewemusteliminatewasteandinterruptionsandreduceproductionleadtimestoaminimum.Itiseasytomakeaninstantcostsaving,itishardtomakeanongoingsavingwithoutunderstandingtheeffectontheinternalvaluestream.WhyTheNeedForV/SMapping?Toachieveongoingimprovementweneedtounderstandthevaluestreambecause:–Manybusinessesarerunasaseriesofdepartmentalgroupsratherthanasamanufacturingprocess.Thereforefixingonepiecewithoutunderstandingtheeffectontheoverallprocessflowwillgenerallynotimproveoverallbusinessperformance.WhyTheNeedForV/SMapping?Toachieveongoingimprovementweneedtounderstandthevaluestreambecause:–Efficiencyisameasureofmanufacturingspeed,ratherthanasameasureoftheprocessesanddelaysduringmanufacturing.–Stocklocationsoftenexisttoabsorbinefficienciesandbecomeacceptedaspartoftheprocess.ValueStreamMappingisameanstoprioritiseimprovementactivitiesandachievebenefitswhichresultinrealcostsavings,visibleserviceimprovementandqualityimprovements.Valuestreammappingwillhighlighttheissues,aideffectivedecisionmaking,createfocusforimprovementandhelpusworkcohesivelytogether.HowDoesItBenefitUs?HowDoesItBenefitUs?ValuestreamMappingFocusesondesignoftheproductionsystem.Wewillbenefitthrough:–Betterunderstandingproductcost–Clearerpictureofprocesses–ReductionofWIP–ReductioninleadtimesHowDoesItBenefitUs?Wewillbenefitthrough:–Fasterresponsetodemandchanges.–Fasterresponsetoqualityconcerns.–ReductionofinventoryinDCLandwithdistributors.–Anemphasison“pull”fromthecustomer.–Anincreaseinvalueaddedcontribution.–Standardisationoftheproductionprocess.HowTheV/SIsMappedTypicalChangeProcess(Steps)1Findachangeagent.2Getthe“knowledge”.3Findalever(reasonforimprovement).4MAPYOURVALUESTREAM.5Makeyouractionplan.6Implementyourplan.HowTheV/SIsMappedTheV/Smappingprogramisastructuredstepbystepapproach.Itisacombinationofclassroomtheoryand“learningbydoing”.Themappingactivityencompassesthewholechainofeventsfromcommunicationwithsupplierstodeliveryofproducttothecustomer.Theimportantthingistocaptureallprocessstepsinthebusiness.HowTheV/SIsMapped1Selectaproductorfamilyofproductswhichfollowsimilarprocessroutes.2Drafta“currentstate”maptoreflectmaterialflow,informationflowandorderofproductionprocesses.3Createafuturestatemap(team’svisionoftheidealconditioninwhichwastehasbeenfixed).4Developanactionplanwithadetailedprioritisedlisttoachievethefuturestate.1Gettogetherinasmallgroup.2Pickafamilyofproducts(afamilyisagroupofproductsthatpassthroughsimilarprocessingstepsandovercommonequipment).3Usepencilandpaperonly.4Don’ttryandmakeeverysingledetailperfect.HowToGetInvolved5Nominateonepersoninyourgroupastheteamleader-theyareresponsibleforleadingthemappingexercise.6Inthecaseofphysicaloperationstrywalkingalongtheactualpathwayswhilecollectingtheinformation.7Beginwithaquickwalkalongthedoor-to-doorvaluestreamtogetasenseoftheflowandsequenceofoperations.HowToGetInvolved8Beginmappingfromtheshippingendandworkbackwards(itavoidsdeadendsmoreeffectively).9Bringyourwatch/stopwatchandtimestepsforyourself.HowToGetInvolved