Process for the regulation of the adjustment of rolling rolls by pressure with respect to a tubular cylindrical workpiece to be rolled

摘要

The object of the invention is a process for the regulation of the adjustment of rolling rolls with respect to a cylindrical tubular piece to be rolled on the machines to be rolled by pressure rollers against -. Those - has four pairs of rollers 1, 2, 3, 4, which are each constituted by a roller (inside 1 / 1, 2 / 1, 3 / 1, 4 / 1 and an outer roller 1 / 2, 2 / 2, 3 / 2, 4 / 2, each of which is disposed radially movable on a support by means of a support with respect to the part 5. The pairs of rollers 1, 2, 3, 4, are arranged with a uniform distribution over the periphery of the piece 5. In general, the radial forces involved during the input of the part to and during the rolling process which is stationary on the rollers similar (similar to the direction of the exterior and interior) of the pairs of rollers, respectively, are compared with one another opposite. In the event of overstepping of a differential force acceptable, the roller belonging to the stage of the rolling mounted upstream is subjected to a radial displacement compensating for the balance of forces, the roll of comparison in the same time being kept in a radial position corresponding to the value of the base.