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ID:41239514
大小:981.00 KB
页数:33页
时间:2019-08-20
《MaintenanceandReliability维护和可靠性》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、OperationsManagementChapter17–MaintenanceandReliabilityPowerPointpresentationtoaccompanyHeizer/RenderPrinciplesofOperationsManagement,7eOperationsManagement,9eOutlineGlobalCompanyProfile:OrlandoUtilitiesCommissionTheStrategicImportanceofMaintenanceandReliabilityRel
2、iabilityImprovingIndividualComponentsProvidingRedundancyOutline–ContinuedMaintenanceImplementingPreventiveMaintenanceIncreasingRepairCapabilitiesTotalProductiveMaintenanceTechniquesforEnhancingMaintenanceLearningObjectivesWhenyoucompletethischapteryoushouldbeableto
3、:DescribehowtoimprovesystemreliabilityDeterminesystemreliabilityDeterminemeantimebetweenfailure(MTBF)LearningObjectivesWhenyoucompletethischapteryoushouldbeableto:DistinguishbetweenpreventiveandbreakdownmaintenanceDescribehowtoimprovemaintenanceComparepreventiveand
4、breakdownmaintenancecostsOrlandoUtilitiesCommissionMaintenanceofpowergeneratingplantsEveryyeareachplantistakenoff-linefor1-3weeksmaintenanceEverythreeyearseachplantistakenoff-linefor6-8weeksforcompleteoverhaulandturbineinspectionEachoverhaulhas1,800tasksandrequires
5、72,000laborhoursOUCperformsover12,000maintenancetaskseachyearOrlandoUtilitiesCommissionEverydayaplantisdowncostsOUC$110,000Unexpectedoutagescostbetween$350,000and$600,000perdayPreventivemaintenancediscoveredacrackedrotorbladewhichcouldhavedestroyeda$27millionpieceo
6、fequipmentStrategicImportanceofMaintenanceandReliabilityFailurehasfarreachingeffectsonafirm’sOperationReputationProfitabilityDissatisfiedcustomersIdleemployeesProfitsbecominglossesReducedvalueofinvestmentinplantandequipmentMaintenanceandReliabilityTheobjectiveofmai
7、ntenanceandreliabilityistomaintainthecapabilityofthesystemwhilecontrollingcostsMaintenanceisallactivitiesinvolvedinkeepingasystem’sequipmentinworkingorderReliabilityistheprobabilitythatamachinewillfunctionproperlyforaspecifiedtimeImportantTacticsReliabilityImprovin
8、gindividualcomponentsProvidingredundancyMaintenanceImplementingorimprovingpreventivemaintenanceIncreasingrepaircapabilityorspeedMaintenanceStrate
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