guardrail forming machine 1.feed width:480mm 2.forming thickness( ... -Automatic High Speed Guardrail Forming Machine The guardraill forming machine is mainly composed of uncoiler,checking level machine, punching machine, the main machine, ... get hardening HRC 60-62) 1.5 the main machine power: 18.5 KW 1.6 Planetary gear ... 15 KW, pressure 20 Mpa 2.0 the main machine adopts the speed governing 5-12m/min 2.1 ...