... Cold Bending High Speed Guardrail Forming MachineThe guardraill forming machine is mainly composed of uncoiler,checking level machine, punching machine, the main machine, the formation ... 6 pump diameter:120mm, running pressure 10Mpa 1.7 max coil width:500mm2. Roll forming 1.1 uncoiler and run ... hydraulic station motor power: 15 KW, pressure 20 Mpa 2.0 the main machine adopts the speed governing 5-12m/ ...