Based on the analyzing of costs sample of equipment, set up prediction model of economiclife of equipment, considering the middle-linear regression method and period value of costs.
It introduces the theories and calculating method of abrasion as well as economiclife for equipment. And the overhaul, renew, Technological transformation for the decision of equipment renewing.
文中介绍了设备的磨损及经济寿命的理论和计算方法以及设备的大维修、更换、技术改造等更新方法的决策。
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The generic method to determine equipment update occasion is the model of applying conception of equipment natural life, or technical life, or economic life in isolation.