Dynamic crown control back-up roll assembly

Details Dynamic crown control back-up roll assembly Dynamic crown control back-up roll assembly

B - Operations, Transporting

30

B

B30B 3/04 (2006.01) B21B 23/00 (2006.01) B21B 27/05 (2006.01) B21B 29/00 (2006.01) B21B 37/30 (2006.01) B21B 37/68 (2006.01) B21B 39/20 (2006.01) B21B 13/02 (2006.01) B21B 13/14 (2006.01)

Patent

CA 2286085

The crown (21) on a steel strip in a rolling mill is con-trolled by a continuous rota-tional adjustment of an arbor (1) in response to a control signal representing the current crown (21) profile or deviation therefrom, the arbor (1) being equipped with a series of ec-centric rings (2, 3, 4, 5) fixed thereto, bearings (7) surround-ing the rings, and a continuous or segmented sleeve (8) around the rings (2, 3, 4, 5). Where the sleeve (8) is segmented, use of an intermediate roll is sug-gested.

La présente invention permet de réguler le bombé (21) d'une bande d'acier sur un laminoir par le réglage rotatif continu d'un arbre (1), réglage qui s'effectue en réponse à un signal de commande représentant le profil actuel du bombé (21) ou une déviation par rapport à ce dernier, l'arbre (1) étant équipé d'une série d'anneaux concentriques (2,3,4,5) fixés sur celui-ci, des coussinets (7) entourant les anneaux, et un manchon (8) continu ou segmenté entourant les anneaux (2,3,4,5). Lorsque le manchon (8) est segmenté, l'utilisation d'un rouleau intermédiaire est suggérée.

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