... ) Roller Feeder(4) Hydraulic Punch(5) Roll Forming Machine (Common Structure / Universal Structure)(6) Straighten Device(7) Hydraulic Mould Cutter / Saw- ... line is composed by decoiler, hydraulic punch press, feeding device, roll forming machine, straightening device, hydraulic cutting off, cold water recycling ... 0.4-0.6Mpa)4) Environment temperature: 0°C-40°C, relative humidity: 60-95%RH.4, Others1) ...