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The structure of bending roller machine for 3-dimensional forming

A structure of a bending roller device for a three-dimensional forming operation is provided to process a three-dimensional curved surface which is formed by two axes. A structure of a bending roller device for a three-dimensional forming operation includes three rollers whose z-axes axes are parallel, at upper and lower parts. A middle portion of an upper roller(5) is projected to form a member at a center portion of an X-axis. A pair of lower rollers(6,6') which are installed under the upper roller has a depressed shape which is corresponded to a curvature of the upper roller. A relative position of the upper roller and the lower roller is adjusted at a Y-axis direction and an X-axis direction separately. A member(4) passed through the upper and lower rollers is conveyed over a burning area by receiving stress of the upper and lower rollers when adjusting an interval of the rollers and rotating the rollers by keeping regular pressure. The member is formed complexly around a direction of the X, Y, and Z axes.