This method by developing the cam onto plane, find the geometrical relationship between the axial coordination, the peripheral coordination, and the rotational angel, and the tangential vector.

• 该方法是将凸轮展开后,通过凸轮的轴向坐标、周向坐标和转角的几何关系及其曲线方程,解算出凸轮的切向矢量,进而求出圆柱型铣刀接触点的法向矢量及其接触点的坐标。