... board is made up of uncoiler ,leveling machine ,punching machine ,forming machine ,shearing machine,hydraulic pressure station ,the PLC computer control ... rollers on the four roll, molding shaft diameter Φ 80 mm (material 45 # through the quenching and tempering ... )Computer operation panel using the touch screen(13)Forming size:17.5m*1.2m*1.5m(14 ... *0.6m(length *width*height) roll forming machine