文档介绍:’sequipmentinworkingorderReliabilityTheprobabilitythatamachinepartorproductwillfunctionproperlyforaspecifiedtimeunderstatedconditionsSystemReliability-ponents(Percent)ReliabilityoftheSystem(Percent)100806040200**********n=1n=10n=50n=100n=200n=300n=400SystemReliabilityRs=R1*R2*R3*…*RnWhere,Rs=SystemreliabilityRi=ponentsinparalleltoraisereliabilitiesExample,?=.90+(1-.90)*.90)=.99MeanTimeBetweenFailures(MTBF)FR(N)=numberoffailuresduringaperiodoftimeMTBF=1/FR(N)MaintenancePreventiveMaintenanceAplanthatinvolvesroutineinspections,servicing,ponentsPredictivemaintenanceCleaningthemachinesCreatingstandardsontheequipmentforcleaning,lubrication,anddailychecksCollectingdataondowntimeCreatingequipmentimprovementteamsCreatingTPMareacoordinators