OEE(设备综合效率)介绍

OEE:OverallEquipmentEfficiency•Introduction•OEEDefinition•OEEmeasurement•OEEcasestudy•OEEanalysisandimprovement•NewinvestmentrequestsContents•OEEmeasurementandimprovementmustbeimplemented:–Forheavyandexpensivemeansthatareabottleneckcomparingtothecustomerdemandinordertodeliver,–then,inordertoprovidedata’storequestanewinvestment•Introduction•OEEDefinition•OEEmeasurement•OEEcasestudy•OEEanalysisandimprovement•NewinvestmentrequestsContents•OEErateCalculation(%)•AddedvalueOperatingtime=NbofgoodpartsproducedxStandardCycleTime•Nominalopeningtime=–Daysoftheweekwhenthefactoryisopenonaregularbasis(ieincludingmanagement,supportfunctions,..)OEE=AddedvalueOperatingtimeNominalopeningtimeStandardCycleTime=Thebesteverobservedrespectingqualitycriteria•Introduction•OEEDefinition•OEEMeasurement•OEEcasestudy•OEEanalysisandimprovement•NewinvestmentrequestsContentsOEE:Categoryoflosses1Plannedstops(meals,breaks,training,meeting,plannedmaintenance,tests)2Machinebreakdownsandnoplannedmaintenance6Micro-stoppageandSlowdown(whatisleftoverafterdeductingthe6othercausesoflosses)5NoQuality(Partsmanufacturedbutnotgoodandrework)NoOEElosses4Organizationalstops(Lackoftool,material,worker,punctuallackofload)3ChangeovertimeTotalAvailableTime365daysx24hoursValueaddedoperatingtime*FactorynotopenedonaregularbasisOEE(%)100(%)Nominalopeningtime7Equipmentnotopenbutfactoryopen*NbofgoodpartsproducedxStandardcycletime)WhatareCycletimeandChangeovertime?PRODUCTA1stPRODUCTBQualitynotyetOKPRODUCTBQualityOKCycleTime(CT)=TimespentbetweenIloadpart«A»untilIloadnextpart«A»CTCTChangeOvertime(C/O)=timebetweenlastgoodpart“A”andfirstgoodpart“B”C/OtimeUnloadingLoadingPRODUCTATransformationCTUnloadingLoadingTransformation06H00ProductionPlannedstopsMachinebreakdownsChangeovertimeOrganizationalstopsComments06H3007H0007H3008H0008H30Problemoncontrolcard,MaintenanceactionN°A225OEEPartAHowtotracklosses?“Productiontrackingform”10H0010H3011H0011H3012H00BreakFirstpartproducedisn'tyetcorrectasmouldwarmupisn'tenoughChangeoverfrompartAtoBStandardformtobeused:ATDPRO_APS_productiontrackingform_FC_*.xls•Introduction•OEEDefinition•Measurement•OEEcasestudy•OEEanalysisandimprovement•NewinvestmentrequestsContentsOEEcasestudyThursdayAM:•Machinedatarecordedduringoneweek:PartTypeABCGoodparts753Rejects110CycleTime5h2h1hNoOEEReasonsNoinstructiontowork:8hChangeover1hperC/O,5C/OperweekMaintenanceforbreakdown3hLackofworker1workerduringoneshiftMachinebreakdowns2hMissingparts1hBreak30minpershiftOEEAvailableTime:•OEEcalculationforoneweek:7535h2h1h35h10h3h48h120h=5x24h40OpenningTime??•OEEanalysis:1Plannedstops(meals,breaks,training,meeting,plannedmaintenance,tests)2Machinebreakdownsandnonplannedmaintenance6Micro-stoppageandSlowdown(whatisleftoverafterdeductingthe5othercausesoflosses)5NoQuality(Partsmanufacturedbutnotgoodandrework)4Organizationalstops(Lackofmaterial,tool,operator,punctuallackofload)3Changeovertime7Timeduringwhichtheequipmentisn’topenandthusnotsupposedtowork/Recordedbyusing:“Productiontracking”formCalculated/小的停机或速度减缓Recordedatmana-gementlevel1,5h/dayx5days计划停机时间1hbreakdown+3hrepair非计划停机时间5x1h产品转换时间4h+1h管理缺失停机时间1«A»,1«B»and0«C»1x5+1x2+0x1质量不合格时间Noworkonthirdshift=5x8h计划停产时间•No-OEEanalysis:6Micro-stoppageandSlowdown(whatisleftoverafterdeductingthe6othercausesoflosses)=40h=7,5h=4h=5h=5h=7h68,5h120h–48h–68,5h3,5h1Plannedstops(meals,breaks,training,meeting,plannedmaintenance,tests)2Machinebreakdownsandnonplannedmaintenance5NoQuality(Partsmanufacturedbutnotgoodandrework)4Organizationalstops(Lackofmaterial,tool,operator,punctuallackofload)3Changeovertime7Timeduringwhichtheequipmentisn’topenandthusnotsupposedtowork1,5h/dayx5days1hbreakdown+3hrepair5x1h4h+1h1«A»,1«B»and0«C»1x5+1x2+0x1Noworkonthirdshift=5x8h=No-OEEPareto34%6%6%4%4%3%3%OpentimenotusedNo-OEE=60%PlannedstopsNoqualityChangeoverOrganiza-tionnalstopsBreakdownMicroStoppage•Introduction•OEEDefinition•OEEmeasurement•OEEcasestudy•OEEanalysisandimprovement•NewinvestmentrequestsContents•HowtoimproveOEE?Decreasenoquality?Decreasebreakdown?Decreaseorganisationalstops?Decreasechangeovertime?…/…•HowtoimproveOEE?Noway!ItisbyincreasingcustomerdemandSo:increaseequipmentavailabletime•Step1:DecreaseCT,bydecreasingloadingandunloadingTransformationCTUnloadingLoadingTransformationCTUnloadingLoading•Step2:OEEcomparedtopotential100%(basis=Factorynominalopeningtime)OEE(%)Losses•Step3:No-OEE=Pareto1%%%%%%%Total=No-OEE(%)•Step4:SelectthemaincausesandmakeanewParetoifitisworth%%%%%•Step5:DecreaseNo-OEE2types:»ChangerOver»Othersno-OEE•Step5:DecreaseNo-OEEChangeOverX%ChangeovertimeProductiontime/dayAvailabletimetoChangeOverisaDECISIONSMEDactionisneededtoreachthetimedecidedNothingneededtodoStep5:DecreaseNo-OEEChangeOverIfdailyC/OtimeDecisionIfdailyC/OtimeDecisionOrganizationTheyareunacceptableStep5:DecreaseNo-OEEOthersno-OEESetupsimpleactionsconsideringanalysisandfollowresultsbymonitoringWhenmainlosscauseisOrganizationalStops•Step5:DecreaseNo-OEEOthersno-OEESetupsimpleactionsconsideringanalysisandfollowresultsbymonitoring–WhenmainlosscauseisNoQualit