First,the two boundary lines of rule line are used for locating the cutting tools.Then,an optimized arithmetic is used to find new points to be the tangent point of tool.

• 首先,将圆柱铣刀的初始定位于规则曲面的两条边界导向曲线的切线方向,运用优化算法,位移不同曲线的切点已达到减少误差的目的。