Expressway guardrail roll forming machine Expressway guardrail roll forming machine is one of our main machines, we also named this machine expressway crash barrier roll forming machine, this machine have two options, the two waves guardrail roll forming machine and three waves guardrail roll forming machine. Normally our machine can use the material thickness from 2.0 mm to 4.2 mm. And the speed of our machine is 8-12 m per minute. Our machine adopt iron cast roller stands, this is heavy and strong. And our machine adopt gear box transmission, this can let the machine run more stable. Profile steel thickness: 2.0-4.2mm Main motor power: 32kw Voltage: 380v 50hz 3phase (as customer demand) Frame: 400# H steel Roller station: 16 stations Roller material: GCr15 Shaft diameter:¢100mm Shaft material: 45# steel with tempering Machine roll forming speed: 8-12m per min Transmission: gear box Machine stand adopt Iron cast structure Expressway traffic crash barrier forming machine expressway crash barrier roll forming machine (9)expressway crash barrier roll forming machine (8)expressway crash barrier roll forming machine (7)expressway crash barrier roll forming machine (1)expressway crash barrier roll forming machine (2)Expressway traffic crash barrier forming machineOther machines for you reference: