刀轴矢量优化 optimal tool orientation
Methods based on minimum distance method and projection method is adopted to analysis and fix the interference of the cutter axis vector.
3.使用基于最小距离法和投影法两种方法进行刀轴矢量的干涉检查与修正。
参考来源 - 轴流叶片四坐标数控加工研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同时解决了曲面法矢垂直于回转平面时刀轴矢量难以确定的关键问题。
Also, a solution is offered to solve the problem of generating tool axis vector when the surface normal ts perpendicular to rotary plane.
后者通过设置刀轴矢量变化的阈值并采用集合碰撞体，实现了刀位的跳点检查和集合运算检查。
The second algorithm, depending on setting the threshold controlling tool-axis vector and using solid based on Boolean-operation, realizes unsafe CL-points and Boolean-operation check.
结果表明，极坐标投影法可以得到无干涉的五轴加工刀位数据，并可以获得均匀变化的刀轴矢量。
The results show that the interference-free tool path can be generated with polar projection method and the even variable cutter axis vector can be obtained.
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