Aimed at a kind of rotary cutting machine,the machining process of involute gear chamfering is kinematically analyzed,and the moving locus equations of cutting edge are deduced.

• 针对一种目前国内研究较少的回转切削机床,分析了对渐开线齿轮进行倒角加工时的运动情况,得出了该机床在进行倒角加工时刀具切削刃的轨迹方程。