本文以现场实际经验为基础，重点介绍了轴承座、锥套和衬套这三个油膜轴承中关键件的清洗和检修技术。
Based on worksite practice, the paper introduces Cleaning and Overhaul Technology of the chock, bushing, sleeve which are the key parts in the oil film bearing.
分析HXD1型机车牵引座的螺栓连接方式中的特殊点及其机理，并通过受力计算说明了衬套对螺栓使用可靠性的影响。
This paper analyses the special points and mechanism of bolt connection mode on type HXD1 locomotive traction base, and shows the effect of bush to bolt application reliability by stress calculation.
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