purlin roll forming machine (80-300 C shape) 1.80-300 purlin roll forming machine Technical of C shape purlin 1.Main motor power:11kw 2.Voltage:380v/3phase/50Hz 3.Diameter of roller:80mm 4.Total weight:6.5T 5.Roll stand:12 groups 6.Thickness of input sheet:1.0-3mm 7.Material of cutter:fly saw incise or mould 8.Forming speed:8-12m/min 9. 9*1.5*1.2 10.Controlling system:PLC automatic frequency convertion controlling system. 11.Materical of roller:9Cr-Si quenched 12.Molding method:overall shape 2.Pictures