【摘要】 精密和超精密加工技术是机械制造最重要的发展方向之一。本文介绍了花岗石在高精密仪器上的应用情况，对其特点作了详细的介绍，同时对其加工方法及能达到的精度做了概述，同时简介了一种花岗石气浮导轨结构，这对于推广普及花岗石的应用具有一定的积极意义。更多还原

【Abstract】 Fine and ultraprecision technology are one of the most development trend of machining. This paper describes the appliance of the granite in the high precision apparatus and its characteristics in details. The processing methods, the final finished accuracy and a kind of granite airfloat guides structure are briefly introduced. It will play a positive role for the granite spreading and application.更多还原