... been passed CE.Descriptions of Roll Forming Machine for Roof Panel, Wall Panel: 1.This kind of cold roll forming machine is widely ... line consists of feeding unit, uncoiler, feeding guide, roll forming machine, cutter, automatic stacker, hydraulic system and electric control ... line speed of this panel forming machine is 40m/min. 1)decoiler hydraulic 5T2) Roll forming machine: About 18 steps to form ...