... -PUNCHING roll forming machine 1,SUIT UPRIGHTS, BEAMS 2,Hydraulic Punch 3,Roller Feeder roll forming machine LMS ... by six sides grinding and boring holes treatments.c. The material of main shaft is 40Cr, ... speed automatically. The hydraulic machine work separately.c. The control panel is composed by human-machine ... 0.4-0.6Mpa)4) Environment temperature: 0°C-40°C, relative humidity: 60-95%RH.4, Others1 ...