AM500采煤机电机接线柱松动的处理

Dispose of moter's connection bolt not hard up of AM500 coal winning machine

分析采煤机电机接线柱焊接松动原因及结构缺陷 ,制订出合理的修复方法 。

Analyzed the reason of coal_machine motor's connection bolt not hard up and the frame's limitation,working_out a reasonable technique,ensure the service quality of equipment.