斜面上钻孔与平面上钻孔相比，由于加工初期条件差，孔的相对位置精度低，刀具更容易折损。
Drilling on inclined surfaces has such problems as the decrease of hole accuracy and damage of tools compared with the drilling on flat surfaces.
仿型刨削和牛头刨削用单刃刀具加工平面。
Shaping and planing produce flat surfaces with a single-point cutting tool.
本文基于刀具路径几何仿真，研究了平面曲线轮廓数控加工进给速度优化技术，这种优化技术是智能化数控加工编程的基础。
The paper presents a systematic technology of feed rate optimization on CNC planar profile milling based on geometric simulation of tool path which is the base of intelligent CNC programming.
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