The factors such as workpiece and polishing lap rotating speed ratio, eccentricity and pressure intensity are investigated by means of Preston equation, and their influence on grinding effect is calculated and simulated.

• 利用Preston方程,考虑了超精密环抛中的诸因素,如工件和磨盘转速比、偏心距以及压强,计算模拟了它们对磨削效果的影响。