The friction wheel drive device clamps the workpiece under the pneumatic thrust.
The servo motor drives the workpiece to rotate, and the measurement control system collects the displacement sensor data of the measurement point and the calibration measurement point in real time.
The workpiece rotating motor drives the workpiece to rotate to the high point of the correction position and wait for the correction. In the positioning process, the positive and reverse control can be realized to stop the high point nearby.
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