... ,solid bar.etc.It has three working rollers, the positions of the two bottom rollers can be adjusted along the arc.assisting ... Bottom roller shaft φ760mm Mould material 42CrMoMould diameter φ250mm Bottom rollers distance 520mmRolling speed 4-5m/minMotor 5.5KWGear reducer China ... , Square Tube, Rectangular Tubing. angle roller machine,section bending machine,rolling machine