作者提出了一种数控机床在插补过程中通过调整进给速度从而将弦差限定在一定的误差范围内的插补算法。
This paper proposes an interpolation algorithm that confines the chord error within a specified tolerance range during the interpolation process by adjusting the feedrate.
空间圆弧粗插补用弦进给代替弧进给，即用空间直线代替圆弧。
The arch feed was replaced with bowstring feed in spatial arch interpolate, or circular arc was replaced with spatial straight line.
然后用累加弦长作为虚拟的插补基准轴，提出了一种基于虚拟基准轴的插补新算法。
The fitted curve is smooth and continuous. The accumulated chord length is used as virtual interpolation datum axis.
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