Patent ID: 8683838

Claim:
A circular rolling mill for the shaping of an annular workpiece having a radial inner face, a radial outer face, and first and second front faces, said rolling mill comprising: a frame; an inner roller and an outer roller capable of performing work on the radial inner face and the radial outer face, respectively; an upper conical roller and a lower conical roller capable of performing work on the first and second front faces, respectively; at least a first pinion/rack assembly selected from the group consisting of a pinion/rack assembly for moving the inner roller and a pinion/rack assembly for moving the upper conical roller, said first pinion/rack assembly comprising a first pinion, and a first rack which is secured to a member, wherein the first pinion is rotated about an axis of rotation by an output shaft of a first electrically operated geared motor mounted on a first support, wherein the first support is articulated with respect to the frame about the axis of rotation and exhibits pivoting movement about an articular axis of the first support; and a first damping device for damping the pivoting movement.