制造机床时,最繁重的工序之一就是刮研平面和凌形导轨,因为对机床床身和滑鞍的导轨(图1和图2)所提出的表面光洁度 7- 8和平面的加工精度(导轨的直线度,平面度以及平行度应当达到1公尺长为0.02公厘的精度)的要求相当高。在表面光洁度,而主要的又是在精度方面既然提出了这样高的 One of the heaviest processes in manufacturing a machine tool is the scraping of the flat surface and the cross-shaped guide rail because of the surface finish of 7-8 and the flat machining accuracy (Figure 1 and Figure 2) for the machine bed and the saddle The straightness, flatness and parallelism of the guide rails should be of a precision of 0.02 mm at 1 meter length.) The requirements are quite high. In the surface finish, but the main is in terms of accuracy since the proposed such a high