Based on the machining theories and gear profile equation, using computer graphics, the article builds the surface model and solid model of honner. 本文根据珩轮的加工原理和齿面方程，利用计算机图形学方法，分别建立了珩轮的表面模型和实体模型。
A new EDM technology-ultrasonic vibration assisted electrical discharge machining in gas was proposed and corresponding experimental equipment was designed. 摘要简述了超声振动辅助气体介质电火花加工原理，并设计开发了相应的实验机床。
