In order to improve the accuracy of ball lead-screw grinding, a new method of compensating input feedforward control is used in the system of laser feedback error compensation for lead-screw grinder.

• 为提高精密滚珠丝杠磨削精度，在激光反馈螺纹磨床误差补偿系统中提出了一种误差输入前馈补偿控制方法。