... Total weight:25T High-speed Guardrail Cold Roll Forming Machines/Expressway Guard Rail Forming MachineHighway guard rail ... levelling, punching system, coil feeding machine, guider, roll forming machine, cutting system, collecting platform and the PLC controlling system Technical ... : 10-12m/min5. Hydraulic station power: 11 kw6. Roll forming stations: about 177. Hydraulic pressure: 20 mpa8. Controlling ...