A, main technical parameter 1, Unpowered feeding shelf: passive feeding, manual tensing 2, Loading-bearing of feeding shelf: 8T 3, Sheet coil width: 1200mm 4, Forming effective width: 675mm 5, Forming thickness: 0.8-1.2mm 6, Main forming machine station: main roller:48 groups 7, Hydraulic oil tank power: 5.5KW 8, Stitching motor power: 5.5KW 9, Forming machine motor power:13×3=45KW 10, Forming speed: 8M/min 11, Roller dimension: 90mm 12, Transmission: motor retarding device (transaction by chain) 13,Cutter material: Cr12MOV 14,Roller material: 45# after treatment 15,Roller: Surface coating with chrome, thickness is 0.05mm per side. 16,Frequency: DNAFUSS, America 17, Computer: PCL, Mitsubishi FX—IS series 18, Computer operation board: Xinjie OP320A 19,Out-put type: Roller type 20,Out-put table length: 18000mm B, Components It’s composed of passive feeding shelf, hydraulic front-cut device, punching device, main forming machine, stitching punching device, hydraulic forming cutting device, hydraulic station, computer control cabinet, and out-put table.