... This machine is hydraulic 3-roller rolling machine for rolling the plate into cylinders CNC Three Roller Rolling Machine Ⅰ. Generally Introduction W11s ... larger.3-4. Major Actuator System This system contains main motor, retarder, open gears, hydraulic arrester, etc. Through output ... gears, income gears and open driving torque, main motor drives the lower roller to roll the plate and hydraulic ...