The position accuracy of machine tool is directly affected by the servo-control method which should be properly selected to ensure the high position accuracy of a CNC system.
伺服控制方法是影响机床定位精度的关键因素之一，要保证数控系统的高定位精度，应采用合理的伺服控制方法。
The reform of digital control machine tool can bring not only a good processing accuracy but also the function of digital control machine tool to common machine tool.
通过机床数控改造使普通机床不仅具有好的加工精度，而且还具有数控机床的功能。
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