Tube bending machine with 3 rolls on are driven by hydraulic motors and gears. Both side rolls are hydraulically driven to move vertically and can rotate around a fixed axis to perform curved vertical moving. A carrier roll and a correcting guide roll are respectively arranged at both sides of the working roll to ensure quality of rolling section with asymmetric cross section (such as angle steel). It can roll various sections including circular tube, square tube, etc.
The machine is a curved 3-roll section bending machine and can pre-bend the section. The machine mainly comprises a body, side rolls, a carrier roll, a transmission part, an electric part, a hydraulic system and dies.
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