编码器检测步进电机旋转角度，以补发脉冲的方式解决了步进电机的丢步问题，保证载带每次运行恰好一个工位。
The encoder measures the rotated Angle of the step motor and solves the problem of pulse losing by supplementing pulse, which ensures that the tape moves one fit step every time.
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。
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。
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.
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