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介绍了SS7电力机车抱轴承箱车床失具的结构和使用方法，解决了在普通车床上加工有较高同轴度和形位公差要求的抱轴承箱轴承孔的问题。
The structure and the using method of SS7 electric locomotive bearing box lathe are introduced, and the problem of bearing hole in the bearing box with high concentricity and shape position tolerance is solved in the ordinary lathe.