Highway Guardrail Roll Forming Machine Shanghai:ALLSTAR MACHINERY:highway guardrail forming machine,crash barrier forming machine,w purlin forming machine,w shape forming machine,w beam forming machine: Matching material: Q235 galvanized steel strip. Material thickness: 2-4mm Width: 483mm ( or according to customer's requirement ) Effective material width: 312mm (or according to customer's requirement) Main motor power for forming: 22 KW Decoiler: Manual decoiler Weight capacity of Decoiler: 5 Ton Transimssion: By Chain and Gear Forming speed: 8-12m/min Roll forming stations: about 17 stations Controlling system: Panasonic PLC Control Voltage: 380V/ 3phase/ 50 Hz or according to customer local input power