3 roll plate bending machine pre-bending competitive price PLC system 3 roll plate bending machine1, pressure 160 Tons 2, max width of coiled plate 3000 mm 3, working length ... thickness 6, diameter of the upper roller Φ375 mm 7, diameter of the lower roller Φ200 mm 8, central distance of ... number of the support rollers 4 pieces12, number of carrier roller groups 1 group 13, main motor power 18.5 kW ...