论文部分内容阅读
EMD机车凸轮轴磨削后发现表面裂纹,经金相分析判断为磨削裂纹,并对磨裂原因进行了分析,并提出了相应的改进措施。
The surface cracks were found after the grinding of the EMD locomotive camshaft, the grinding cracks were judged by the metallographic analysis, and the reason of the grinding was analyzed, and the corresponding improvement measures were put forward.