... (1) Material Cr12 Steel(2) Material Surface under Heat Treatment(3) Function: PLC is calculating profile length within roll forming. Once ... machine 1 set(1) Roll Forming Stations 13 Nos.(2) Roller's Material 40Cr(3) Roller's Main Shaft Ø 75 mm, ... Electronic Control System by PLC, Touchable Screen,Frequency Convertor, Encoder, etc.(2) PLC Mitsubishi, Japan(3) Touchable Screen Mitsubishi, Japan, 5.7"(4 ...