OEE设备综合效率介绍(PPT 31页).ppt

OEE:OverallEquipmentEfficiency,IntroductionOEEDefinitionOEEmeasurementOEEcasestudyOEEanalysisandimprovementNewinvestmentrequests,Contents,OEEmeasurementandimprovementmustbeimplemented:Forheavyandexpensivemeansthatareabottleneckcomparingtothecustomerdemandinordertodeliver,then,inordertoprovidedatastorequestanewinvestment,IntroductionOEEDefinitionOEEmeasurementOEEcasestudyOEEanalysisandimprovementNewinvestmentrequests,Contents,OEErateCalculation(%)AddedvalueOperatingtime=NbofgoodpartsproducedxStandardCycleTimeNominalopeningtime=Daysoftheweekwhenthefactoryisopenonaregularbasis(ieincludingmanagement,supportfunctions,.),OEE=,AddedvalueOperatingtime,Nominalopeningtime,StandardCycleTime=Thebesteverobservedrespectingqualitycriteria,IntroductionOEEDefinitionOEEMeasurementOEEcasestudyOEEanalysisandimprovementNewinvestmentrequests,Contents,OEE:Categoryoflosses,1Plannedstops(meals,breaks,training,meeting,plannedmaintenance,tests),2Machinebreakdownsandnoplannedmaintenance,6Micro-stoppageandSlowdown(whatisleftoverafterdeductingthe6othercausesoflosses),5NoQuality(Partsmanufacturedbutnotgoodandrework),NoOEElosses,4Organizationalstops(Lackoftool,material,worker,punctuallackofload),3Changeovertime,TotalAvailableTime365daysx24hours,Valueaddedoperatingtime*,Factorynotopenedonaregularbasis,OEE(%),100(%),Nominalopeningtime,7Equipmentnotopenbutfactoryopen,*NbofgoodpartsproducedxStandardcycletime),WhatareCycletimeandChangeovertime?,PRODUCTA,1stPRODUCTBQualitynotyetOK,PRODUCTBQualityOK,CycleTime(CT)=TimespentbetweenIloadpartAuntilIloadnextpartA,CT,CT,ChangeOvertime(C/O)=timebetweenlastgoodpart“A”andfirstgoodpart“B”,C/Otime,Unloading,Loading,PRODUCTA,Transformation,CT,Unloading,Loading,Transformation,Howtotracklosses?“Productiontrackingform”,Standardformtobeused:ATDPRO_APS_productiontrackingform_FC_*.xls,IntroductionOEEDefinitionMeasurementOEEcasestudyOEEanalysisandimprovementNewinvestmentrequests,Contents,OEEcasestudy,ThursdayAM:,Machinedatarecordedduringoneweek:,OEEcalculationforoneweek:,7,5,3,5h,2h,1h,35h,10h,3h,48h,120h=5x24h,40,OpenningTime?,OEEanalysis:,1Plannedstops(meals,breaks,training,meeting,plannedmaintenance,tests),2Machinebreakdownsandnonplannedmaintenance,6Micro-stoppageandSlowdown(whatisleftoverafterdeductingthe5othercausesoflosses),5NoQuality(Partsmanufacturedbutnotgoodandrework),4Organizationalstops(Lackofmaterial,tool,operator,punctuallackofload),3Changeovertime,7Timeduringwhichtheequipmentisntopenandthusnotsupposedtowork/,Recordedbyusing:“Productiontracking”form,Calculated/小的停机或速度减缓,Recordedatmana-gementlevel,1,5h/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,1A,1Band0C1x5+1x2+0 x1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,=,7h,68,5h,120h48h68,5h,3,5h,1Plannedstops(meals,breaks,training,meeting,plannedmaintenance,tests),2Machinebreakdownsandnonplannedmaintenance,5NoQuality(Partsmanufacturedbutnotgoodandrework),4Organizationalstops(Lackofmaterial,tool,operator,punctuallackofload),3Changeovertime,7Timeduringwhichtheequipmentisntopenandthusnotsupposedtowork,1,5h/dayx5days,1hbreakdown+3hrepair,5x1h,4h+1h,1A,1Band0C1x5+1x2+0 x1,Noworkonthirdshift=5x8h,=,No-OEEPareto,34%,6%,6%,4%,4%,3%,3%,Opentimenotused,No-OEE=60%,Plannedstops,Noquality,Changeover,Organiza-tionnalstops,Breakdown,MicroStoppage,IntroductionOEEDefinitionOEEmeasurementOEEcasestudyOEEanalysisandimprovementNewinvestmentrequests,Contents,HowtoimproveOEE?,Decreasenoquality?,Decreasebreakdown?,Decreaseorganisationalstops?,Decreasechangeovertime?,/,HowtoimproveOEE?,Noway!ItisbyincreasingcustomerdemandSo:increaseequipmentavailabletime,Step1:DecreaseCT,bydecreasingloadingandunloading,Step2:OEEcomparedtopotential,100%(basis=Factorynominalopeningtime),OEE(%),Losses,Step3:No-OEE=Pareto1,%,%,%,%,%,%,%,Total=No-OEE(%),Step4:SelectthemaincausesandmakeanewParetoifitisworth,%,%,%,%,%,Step5:DecreaseNo-OEE2types:ChangerOverOthersno-OEE,Step5:DecreaseNo-OEEChangeOver,X%,Changeovertime,Productiontime/day,AvailabletimetoChangeOverisaDECISION,SMEDactionisneededtoreachthetimedecided,Nothingneededtodo,Step5:DecreaseNo-OEEChangeOver,IfdailyC/OtimeDecision,Theyareunacceptable,Step5:DecreaseNo-OEEOthersno-OEESetupsimpleactionsconsideringanalysisandfollowresultsbymonitoringWhenmainlosscauseisOrganizationalStops,Step5:DecreaseNo-OEEOthersno-OEESetupsimpleactionsconsideringanalysisandfollowresultsbymonitoringWhenmainlosscauseisNoQuality,MRPGactionisneeded,TPMactionisneeded,Step5:DecreaseNo-OEEOthersno-OEESetupsimpleactionsconsideringanalysisandfollowresultsbymonitoringWhen