A self adaptive method is proposed which can make line interpolating of a cubic B spline tabulated curve and generate varied step length cutter location points according to the machining accuracy.

• 给出了一种根据零件加工精度要求，对三次B样条列表曲线进行直线插补，自动生成变步长刀位轨迹的算法，简称自适应算法。