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针对机车牵引电机转轴磁粉探伤中的磁痕显示现象,通过对转轴受力情况的比较分析来判别磁痕的危险性,结合补充检测、实际印证的结果,得出有该磁痕显示现象的电机转轴不必采用更先进的探伤技术重新检测,仍可继续使用的结论。
Aiming at the phenomenon of magnetic marks in the magnetic particle inspection of locomotive traction motor shaft, the danger of magnetic marks is judged through the comparative analysis of the stress on the shaft. Combined with the results of supplementary testing and actual verification, the motor with the magnetic marks is displayed Shaft do not have to use more advanced testing techniques to re-test, can continue to use the conclusion.