本条数据采用的设备为keyence公司生产的VHX-600E型超景深显微镜，放大倍数为20x，对从废旧45钢电机轴表面进行观测，主要是观察表面的各种表面损伤，并将其按照不同部位进行分类，以便能够更好的了解电机轴在工况下其表面的损伤形式。

The equipment used in this article is VHX-600E super depth of field microscope produced by keyence Company, the magnification is 20x, to observe the surface of the waste 45 steel motor shaft, mainly to observe a variety of surface damage on the surface, and classify it according to different parts, so as to better understand the surface damage form of the motor shaft under working conditions.