The guideways of machine tools are worked by using hydrostatic grinding head attached to a planer. The accuracy and surface roughness reach the requirements of precision guideways.
它使用了静压磨头装在龙门刨床上对机床导轨进行加工，精度及表面粗糙度达到精密导轨的要求。
2
With developing of shortwave optics and more requirement of lofty precision optical machine, the processing and measurement of fine precisionsurface are becoming important.
短波光学的迅猛发展和高精密光学仪器的需求日益增多，对高精度表面的加工与检测也随之重要起来。
3
Cutting force, grinding force and surface roughness of grinding are the most important parameters to scale machine progress, thus precision methods for them is needed in engineering.