... forming machineStructure 1:Raft structure, motor drives, chains transmit.The roller adopts combination structure, and its art adopts Germany COPRA professional ... 15m/minStructure 2:Welded structure. motor drives, chains transmit.The roller adopts combination structure, and its art adopts Germany COPRA professional ... , 3 phase.Line speed: about 10m/min The roll forming machine used for restraining dust