Elimination of rolling mill chatter

Details Elimination of rolling mill chatter Elimination of rolling mill chatter

B - Operations, Transporting

21

B

B21B 31/02 (2006.01)

Patent

CA 2627586

A method for eliminating the vibrational chatter in a rolling mill stand (1), whereby existing roll chocks (6) (7)are machined to allow commercially available thrusting means, including hydraulic cylinders (11) (12) (13) (14) and the accompanying fittings and tubing, to be installed directly into the chocks so that when activated the thrusting means thrust horizontally outward to take up any gapping or play occurring between the chock face and the mill housing during normal mill operations, thus effectively eliminating chatter.

Cette invention concerne un procédé permettant d'éliminer le broutage dû aux vibrations dans une cage de laminoir et consistant à usiner des empoises de cylindres existantes pour permettre à des éléments de poussée disponibles dans le commerce, tels que des vérins hydrauliques et les raccords et tubes correspondants, d'être installés directement dans les empoises de façon que lorsqu'ils sont activés, les éléments de poussée génèrent une poussée horizontale vers l'extérieur permettant de compenser tout écart ou jeu produit entre la surface de l'empoise et le logement du laminoir lors du fonctionnement normal du laminoir, ce qui permet d'éliminer efficacement le broutage.

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