为用适当的误差补偿策略做准备，可有效提高数控机床的加工精度。
An error compensation strategy is adopted properly to improve the manufacture precision of CNC machine effectively.
数控机床的误差建模是进行机床运动设计、精度分析和误差补偿的关键技术，也是保证机床加工精度的重要环节。
The geometric error modeling of NC machine tools is the key technique to dynamics design, precision analysis and error compensation. It is the important step to improve the precision of machine tools.
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。
In NC Machining, the equal error straight lines approaching of non arc curve profile are investigated in the paper.
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