The control principle of step motor is exposed, drive control of feed system is carried out by use of motion controller, meanwhile, dot motion control of step motor is also carried out by use of PLC.
阐述了步进电机控制原理，利用运动控制器实现了进给系统的联动控制，利用PLC实现了步进电机的点动控制。
Main motion system of the machine tool is hydraulic motor driving, and two feed motion system is step-motor driving.
机床的主运动采用液压马达驱动，两个进给运动采用步进电机驱动。
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