Feed use of the AC servo motor torque of the motor. 进给部分电机采用交流伺服电机转矩大。
The key idea of the new design is a 2-degree-of-freedom seven-bar linkage mechanism driven by a large constant speed motor and a small servomotor. 该设计的核心思理是由大功率的常速电机和小功率的伺服电机混合驱动一个两自由度的平面七杆机构。