... This production line consists of feeding unit, uncoiler, feeding guide, roll forming machine, cutter, automatic stacker, hydraulic system and electric control ... forming machine is 40m/min. 1)decoiler hydraulic 5T2) Roll forming machine: About 18 steps to form; Material of ... cutter:2) Stop to cut, Post cut, 3) Cutting tool material: Cr12, Heat treatment4) PLC control system:Using Mitsubishi PLC ...