... machine, straightening device, hydraulic cutting off, cold water recycling device, pneumatic and electric control system, etc.3) Decoiler (as drawing ... 6) Punching MachineThis line equipped with 15T hydraulic punching machine.7) Roll Forming MachineRoll Forming rollers: material GCr15 ... line use centre control, the roll forming machine and hydraulic machine is combined moving. When the punched mould is ...