To aim at the research on cutting direction in NC machining of free-form surfaces, a simplified time model for tool trace is established, and the system of tool path programming is discussed.
针对自由曲面走刀方向数控加工的研究，建立了简化的刀具轨迹时间模型，并对路径规划的系统进行了讨论。
This paper presents a new discrete model of NC path generation for free form surface machining.
提出一个面向曲面nc加工刀位计算的曲面离散基本单元模型及其误差控制方法。
A new method based on spatially stratified index model of machining equipment to the maximal range of work is presented for detecting the collision of NC programs.
以加工设备最大加工空间分层索引模型为基础，提出数控加工程序碰撞检测新方法。
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