In NC Machining, the equal error straight lines approaching of non arc curve profile are investigated in the paper.
探讨在数控机床上加工非圆曲线轮廓的等误差直线逼近算法。
The profile of the random curve is expressed not by mathematical equation but by discrete points, which makes it very difficult to evaluate the profile error.
自由曲线的轮廓常用离散点来表示，而不是已知的数学方程，评定其轮廓度误差非常困难。
An approaching method was proposed to evaluate the profile error of curve.
提出用逐次逼近思想来评定复杂曲线的轮廓度误差的方法。
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