The helicoid equation of contacting surface befween workpiece and die in the process of cross wedge roiling was proposed in this paper. 建立了楔横轧变形工件与模具接触面的旋转螺旋面方程。
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。
