OEE(设备综合效率)介绍

OEE:OverallEquipmentEfficiencyIntroductionOEEDefinitionOEEmeasurementOEEcasestudyOEEanalysisandimprovementNewinvestmentrequestsContentsOEEmeasurementandimprovementmustbeimplemented:Forheavyandexpensivemeansthatareabottleneckcomparingtothecustomerdemandinordertodeliver,then,inordertoprovidedata’storequestanewinvestmentIntroductionOEEDefinitionOEEmeasurementOEEcasestudyOEEanalysisandimprovementNewinvestmentrequestsContentsOEErateCalculation(%)AddedvalueOperatingtime=NbofgoodpartsproducedxStandardCycleTimeNominalopeningtime=Daysoftheweekwhenthefactoryisopenonaregularbasis(ieincludingmanagement,supportfunctions,..)OEE=AddedvalueOperatingtimeNominalopeningtimeStandardCycleTime=ThebesteverobservedrespectingqualitycriteriaIntroductionOEEDefinitionOEEMeasurementOEEcasestudyOEEanalysisandimprovementNewinvestmentrequestsContentsOEE:Categoryoflosses1Plannedstops(meals,breaks,training,meeting,plannedmaintenance,tests)2Machinebreakdownsandnoplannedmaintenance6Micro-stoppageandSlowdown(whatisleftoverafterdeductingthe6othercausesoflosses)5NoQuality(Partsmanufacturedbutnotgoodandrework)NoOEElosses4Organizationalstops(Lackoftool,material,worker,punctuallackofload)3ChangeovertimeTotalAvailableTime365daysx24hoursValueaddedoperatingtime*FactorynotopenedonaregularbasisOEE(%)100(%)Nominalopeningtime7Equipmentnotopenbutfactoryopen*NbofgoodpartsproducedxStandardcycletime)WhatareCycletimeandChangeovertime?PRODUCTA1stPRODUCTBQualitynotyetOKPRODUCTBQualityOKCycleTime(CT)=TimespentbetweenIloadpart« A »untilIloadnextpart« A »CTCTChangeOvertime(C/O)=timebetweenlastgoodpart“A”andfirstgoodpart“B”C/OtimeUnloadingLoadingPRODUCTATransformationCTUnloadingLoadingTransformationHowtotracklosses?“Productiontrackingform”Standardformtobeused:ATDPRO_APS_productiontrackingform_FC_*.xlsIntroductionOEEDefinitionMeasurementOEEcasestudyOEEanalysisandimprovementNewinvestmentrequestsContentsOEEcasestudyThursdayAM: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 项目进度计划表范例计划下载计划下载计划下载课程教学计划下载 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%No-OEE=60%BreakdownMicroStoppageIntroductionOEEDefinitionOEEmeasurementOEEcasestudyOEEanalysisandimprovementNewinvestmentrequestsContentsHowtoimproveOEE?Decreasenoquality?Decreasebreakdown?Decreaseorganisationalstops?Decreasechangeovertime?…/…HowtoimproveOEE?Noway!ItisbyincreasingcustomerdemandSo:increaseequipmentavailabletimeStep1:DecreaseCT,bydecreasingloadingandunloadingTransformationCTUnloadingLoadingTransformationCTUnloadingLoadingStep2:OEEcomparedtopotential100%(basis=Factorynominalopeningtime)OEE(%)LossesStep3:No-OEE=Pareto1%%%%%%%Total=No-OEE(%)Step4:SelectthemaincausesandmakeanewParetoifitisworth%%%%%Step5:DecreaseNo-OEE2types:ChangerOverOthersno-OEEStep5:DecreaseNo-OEEChangeOverX%ChangeovertimeProductiontime/dayAvailabletimetoChangeOverisaDECISIONSMEDactionisneededtoreachthetimedecidedNothingneededtodoStep5:DecreaseNo-OEEChangeOverIfdailyC/OtimeDecisionTheyareunacceptableStep5:DecreaseNo-OEEOthersno-OEESetupsimpleactionsconsideringanalysisandfollowresultsbymonitoringWhenmainlosscauseisOrganizationalStopsStep5:DecreaseNo-OEEOthersno-OEESetupsimpleactionsconsideringanalysisandfollowresultsbymonitoringWhenmainlosscauseisNoQualityMRPGactionisneededTPMactionisneededStep5:DecreaseNo-OEEOthersno-OEESetupsimpleactionsconsideringanalysisandfollowresultsbymonitoringWhenmainlosscauseisBreakDownIntroductionOEEDefinitionMeasurementOEEcasestudyOEEanalysisandimprovementNewinvestmentrequestsContentsMinimumrequirementsforanewinvestmentOEEcomparedtopotentialPareto1&2,analysisandimprovementsExampleoftrackingform