This is a high precision rotary ultra-fine surface grinding machine characterized by high precision air spindles used for work spindle and grinding wheel spindle. This model is designed for mirror finishing by ELID (Elect......This is a high precision rotary ultra-fine surface grinding machine characterized by high precision air spindles used for work spindle and grinding wheel spindle. This model is designed for mirror finishing by ELID (Electrolytic In-process Dressing). An NC system for machine tool is used for subtle control of the infeed rate.