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本文对RD_2车轴断裂进行了分析,提出细化锻件晶粒度的三项措施,从而解决了超探不合格的技术难题,促进了电力机车工业生产的发展。
In this paper, the fracture of RD_2 axle was analyzed and three measures to refine the grain size of forgings were put forward, which solved the technical problems of unqualified super-exploration and promoted the development of industrial production of electric locomotives.