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对北京型机车凸轮轴轴承运用中出现的烧损故障进行了分析,指出其烧损的一个主要原因是轴承座定位孔位置不合理。经计算分析给出了修改定位孔的方案,并通过运行试验进行了验证
The burning fault occurred in the operation of camshaft bearing of Beijing locomotive is analyzed. It is pointed out that one of the main reasons of burning loss is the unreasonable position of the bearing hole. The method of modifying the positioning hole is given through calculation and analysis, and verified through the running test