If location data of holes in a line are input to controller the controller controls servo motor. As the rotating Angle of servo motor is controlled the location of bit in the line can be controlled.

将直线上孔的位置数据输入控制器、伺服驱动器来控制伺服电机，控制伺服电机的旋转角度即可控制钻头在直线上的位置。