The rolling machine with a universal upper roll is characterized in that it can pre-bend the plate and its upper roll can move either vertically or horizontally. When the hydraulic oil in both hydraulic cylinders arranged at both ends of upper roll is applied on pistons, the roll moves vertically to apply pressure on plate and deform it. Motor and reducer are used to drive upper roll to move horizontally in order to pre-bend the ends of plate. As main driving parts, both lower rolls rotate to provide torque for rolling plate.
The rolling machine with universal upper roll can pre-bend the ends of plate with one time loading. It can roll cylindrical, conical and arc workpieces and is controlled by PLC so as to increase the production efficiency and reduce the production cost.
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