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。
It introduces the theories and calculating method of abrasion as well as economic life for equipment. And the overhaul, renew, Technological transformation for the decision of equipment renewing.
基于虚拟样机仿真研究了齿轮偏心、轴偏心、轮齿磨损等缺陷对啮合力的影响，为深入研究齿轮传动系统动态特性提供了理论参考依据。
The effect of decentrations and teeth shape imperfections were examined by virtual prototyping model, which provided references to research on dynamic characteristics of gear driving device.
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