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 of rollers ... 3000 mm 4, max thickness of coiled plate Pre-bending T16×B3000mm×Φ ... the two lower rollers 330 mm 9, rolling speed about 3.5 m / min 10,speed of the upper roller ...