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简要说明了塑料轴瓦的机理，分析了塑料轴瓦的特点，提出了塑料轴瓦安装和运行的注意事项。结合塑料轴瓦在江都四站的应用情况，指出用塑料轴瓦替代鹤金轴瓦在技术上是可行的，经济上是合理的，尤其对解决原因不明或虽已查明原因但无法消除的钨金轴瓦烧瓦问题是非常有效的。
The mechanism of the plastic bearing bush is briefly described, the characteristics of the plastic bearing bush are analyzed, and the precautions for the installation and operation of the plastic bearing bush are put forward. Based on the application of plastic bush in Jiangdu four stations, it is technically feasible to replace the crane bearing with plastic bushings, which is economically reasonable, especially for the tungsten alloy bushings with unexplained or unidentifiable reasons Burning tile problem is very effective.