Features:

1. The machine adopts 3-roller symmetrical structure with the upper roller moving vertically in the center between the two bottom rollers, which is achieved through the drive of the screw, the nut, the worm and the lead screw.

2. The two bottom rollers rotates, and provides the plate materials with torque through the engagement of the output gear of the moderator with the gear of the bottom rollers.

3. The diadvantage of the machine is that the ends of thethe plate materials need to have the help from other equipment for prebending.