Calculation Model of Preventive Maintenance Life Cycle Spare Parts Quantity for Rail Vehicle
LCC is used as an important indicator for assessment when bidding for overseas rail vehicle pro-jects.The cost of the full life cycle preventive maintenance spare parts is a key component of LCC calculation.It is established by fixing the preventive maintenance plan preparation style and using excel function combination.The spare parts calculation model realizes the automatic calculation of the number of preventive spare parts,and proposes precautions when formulating maintenance tasks based on the spare parts calculation logic.At the same time,the calculation formula of spare parts is determined based on the numerical comparison between the actual annual operating mileage and the estimated annual operating mileage,which realizes the automatic change of the number of preventive spare parts with the actual annual operating mileage,ensuring the accuracy of LCC calcula-tion,and providing decision-making basis for users to purchase the number of vehicle groups and annual operat-ing mileage.
LCCPreventive maintenanceSpare parts quantityMaintenance plan
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