On ultra precision cutting, grinding and non-traditional machining, there is a hard problem between long travel and high precision, especially in multi-coordinate machining.
在超精密切削、磨削、特种加工中，大行程驱动与高精度进给是难以解决的矛盾，也是多坐标超精密加工的难点。
The paper discusses the part machining process by the way of numerical control, especially how to improve the machining precision and prevent the part from distorting in the processing.
本文讨论用数控方法制造该零件的工艺，特别是提高加工精度、防止零件在加工过程变形的一些措施。
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