Four Roller Rolling Machine 1. Specification of the rolling machine. The machine belongs to four roller bending machine, used forcylinder pressure vessel manufacturing industries, it has function of roll round, pre-bending,correct the circle, with coarse leveling function. The upper roller is the main transmission, leading the lower roller and the side roller move by friction between the sheet plate and the upper roller, meanwhile, the upper roller provides torque for rolling rollers. The upper roller is the active roller by hydraulic transmission, lower roller and the accessories, both sidesturn plane and supporting roller lifting are driven by hydraulic pressure.
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