... c/z/u purlin, etc Light Steel Keel Roll Forming Machine The machine is used to manufacture coil steel directly into cold ... aluminum sheet, etc.Components It mainly includes uncoiler, main forming machine, hydraulic punching and cutting, output table, hydraulic system, ... -4530-75Work speed(M/min)2-252-252-202-15Shaft diameter(mm)40506070Work flowDecoiler --> leveling --> roll forming--> hole punching ...