If the welding roller stand needs to change the workpiece in the direction of rotation, remember that the motor must be stopped before pressing the reverse button, otherwise the motor or other components will be burned, and the When the whole work is over, it is necessary to adjust the speed regulating knob to a smaller value, then turn off the speed regulating switch, and finally turn off the power supply.
Before starting the motor for welding the roller frame, check the wiring in detail to ensure that the wiring is completely correct before turning on the power switch, starting the motor, checking the rotation and the required direction, and then turning the debugging switch Open, turn the speed control knob from small to large, and adjust it to the speed we need.

