The top roller is driven by hydraulic motor. Through the friction between the metal plate and the top roller to drive the bottom roller and side rollers rotate. And supply the torque for bending plate. The bottom roller, side roller and drop end are all driven by hydraulic oil tank. The bottom roller move up and down, the side roller move along with an arc. The bottom roller rising to clamp the plate and the side roller title up to pre-bend the end of the plate.
|The top roller do the movement of elevation in the central position of the two bottom rolls. It is transmitted screw nut and worm gear. Two bottom rolls are main drive rolls. They rotate by the meshing between the output gear of the gear box and the bottom roller and supply the torque for bending plate. It is compact, easy operate and maintain extended shaft for profile bending.|
The structure style of this machine is 3 roller asymmetrical. Top roller and bottom roller are all main drive roller. The bottom roller lifting up and down to clamp the plate tight. Through the meshing between top roller gear and bottom roller gear to drive the top roller. The side roller move titling to pre-bending the plate and circle. It’s compact and easy operate and maintain.
1. This machine is a special equipment to roll the plate into curve, cylinder, conical in the principle of three point circle. The action as below
2. Top roller move by vertical. Power: hydraulic oil tank. Role: put the pressure on the plate to make the plate bending deformation.
3. Top roller move by horizontal. Power: electromotor. Role: adjust the horizontal distance between the top and bottom roller to make the top and bottom roller position in asymmetrical to pre-bend the sheet edge and decline the length of the flat zone.
4. Bottom roller rotate, Power: electromotor. Role: supply the torque for bending plate.
5. Opening device drop down and reset. Power: hydraulic oil tank. Role: take out the finished workpiece
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