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从转向架中间轴轴承烧损的实际情况出发 ,结合东风7D型机车的动力学性能试验 ,指出中间轴横向力大是造成中间轴轴承烧损的主要原因 ,并提出具体的改进措施
Based on the actual situation of burning of the countershaft bearing of the bogie and the dynamic performance test of the Dongfeng 7D locomotive, it is pointed out that the large transverse force of the intermediate shaft is the main reason for the burning of the countershaft bearing, and the concrete improvement measures