... Sheet coil width: 1200mm4, Forming effective width: 675mm5, Forming thickness: 0.8-1.2mm6, Main forming machine station: main roller:48 groups7 ... hydraulic front-cut device, punching device, main forming machine, stitching punching device, hydraulic forming cutting device, hydraulic station, computer control ... Thickness 0.8-1.2mm,yield stress:230-300(mpa) forming speed 17(m/min) roller material GCR15# ...