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曲轴止推轴承常见失效形式有哪些?
更新时间: 2021-02-14 08:49:01  

1、曲轴止推轴承常见失效形式有磨损、弯曲、断裂。

2、在发动机运行过程中,由于踩踏离合器而对曲轴施加轴向推力,会使曲轴发生轴向窜动。而过大的轴向窜动将影响活塞连杆组的正常工作和破坏正确的配气定时和柴油机的喷油定时。因此,为了保证曲轴轴向的正确定位,需装设止推轴承,而且只能在一处设置止推轴承,以保证曲轴受热膨胀时能自由伸长。

关键词: 曲轴 轴承 常见 失效 形式 哪些

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