... Introduction:The profile forming process: Passive decoiling--- 15T hydraulic hole punching, reinforcing bid pressing---material feeding--- roll ... composed by decoiler, hydraulic punch press, feeding device, roll forming machine, straightening device, hydraulic cutting off, cold ... rollers.6) Punching MachineThis line equipped with 15T hydraulic punching machine.7) Roll Forming MachineRoll Forming ...