This paper presents a cutter location path generation algorithm for 5-axis NC machining of freeform surfaces with torus-shaped endmill.

• 该方法利用曲面的曲率来确定环形刀的刀具姿态，使得刀具随被加工曲面的形状变化而倾斜，从而生成无干涉的刀位轨迹。