The machine for the Four-column press, using optimized hydraulic drive program, with a strong driving force, accurate positioning and a perfect combination of actions.
本机为四柱式压力机，采用优化的液压传动方案，具有强大的动力，精确的定位和完美的动作组合。
This dissertation gave a solution to improving positioning accuracy of rotary table by using a piezoelectric ceramic drive.
同样的，本文设计了一套方案，利用了压电陶瓷驱动器来提高回转定位精度。
In this system, linear motor is applied, and under the control of computer, fast response of servo drive for tool feed, high positioning accuracy and high precision workpiece are achieved.
该系统用直线电机，在计算机的控制下，刀具进给伺服机构响应速度快，定位精度高，能高速、高精度地加工工件。
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