... oil cylinder controls the three rollers independently, the hydraulic motor drives gear box as three rollers linkage, and the ... as per material thickness, the bottom roller is driven to rotate together TECHNICAL PARAMETER Model and parameterKS-WB3035S ... voltage380VAC/50HZDriving modeOil cylinder independently control 3 rollers, hydraulic motor driven gearbox, 3 rollers linkage moving.Power of main ...