描述了大功率机车电机在检修过程中的异音情况，围绕电机检修工艺进行分析研究，查找异音产生的原因，对电机检修工艺过程进行改进与优化，提高产品检修质量水平。%The paper mainly described the abnormal noise problem in the maintenance process of the high-power locomotive mo-tor,and researched the motor maintenance technology to find the reasons of abnormal noise.Maintenance process and methods were optimized,to improve the quality of product.
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