... bending function 3.high precision 4:Touch screen 3 roller rolling machine Which is thicknss more than 50mmModelMax bending thicknessmmMax plate ... structure The main structure is composed of upper roller , down rollers and level motion device support rolls device , tuning device , ... of balance compact, screw3-3. Hydraulic system Composed of Y series motor, gear pump , valves , oil tank, pipe and so ...