The ram drive system for the vertical traverse (Z-axis) and the horizontal X-axis is designed using a ball screw with pre-loaded double nut and a digital AC motor.

• 滑枕沿Z轴方向垂直移动和沿X轴方向水平移动驱动系统，均采用一根带双预紧螺母的滚珠丝杠和一套全数字交流电机。