主要用于较大尺寸的光学玻璃、石英、晶体、电子元件等脆性材料的曲面和平面零件的研磨和抛光，以及各种高精度平面、凹凸球面模具的研磨抛光。
Mainly used for grinding and polishing for curved faces, spherical faces and plane faces of large-size fragile materials, such as large-size optic lens, pri***s, plane mirrors, quartz glass, electronic components etc. and for grinding and polishing of high-precision plane face and conc***e and convex face models.