Use special motor to drive the rolling center shaft to rotate, to achieve the shutter switch, when the motor is set to the upper and lower limits automatically stop.
用专用电机带动卷帘中心轴转动，达到卷帘开关，当转动到电机设定的上下限位时自动停止。
In this paper, a set of stepping motor drive system used in stage lighting is presented.
文章介绍了应用于舞台灯光摇头灯中的步进电机控制系统。
If one set stops and reverse power protection is not provided, the set still running will drive the set that has stopped. The generator on the set that has stopped will act as a motor.
如果一台发电机组没有运转，并且没有逆功率继电器保护，运转的机组就会驱动这个机组，这台机组上的发电机则变成电动机运行。
The device can set the frying time and temperature, wok stir automatic bi-directional rotation, putting out the material with motor-drive.
该设备能设定炒制时间，自动控制炒食温度，炒锅自动双向转动翻炒，电动升降出料。
Pneumatic drive, linear feed. Adjustable head can be pulled to set positions by drive motor.
采用气压传动，水平直线式工进方式，运动机头由电机拖动行走定位。
Pneumatic drive, linear feed. Adjustable head can be pulled to set positions by drive motor.
采用气压传动，水平直线式工进方式，运动机头由电机拖动行走定位。
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