W12 series of four roller coiling machine used on the roller rotating mechanical transmission, the next roll and lateral roll movements hydraulic transmission, electrical centralized control of the operating system. The aircraft can be completed once the material on the ends of the plate bend and pre-rolled cylinder, radial and within a certain range of Pheasant-type work, with pre-end of the sheet bend function, the remaining Straight Edge small, efficient, and in aircraft sheet metal on a rough school-ping, the aircraft configuration NC system control, automatic increase degree of its widely used in petroleum, chemical boiler, shipbuilding, metal structures and machinery manufacturing industries.
