Method to reduce and eliminate vibrations in a rolling stand...

Details Method to reduce and eliminate vibrations in a rolling stand... Method to reduce and eliminate vibrations in a rolling stand...

B - Operations, Transporting

21

B

B21B 37/00 (2006.01) B21B 27/10 (2006.01) B21B 35/04 (2006.01) B21B 45/02 (2006.01)

Patent

CA 2343834

Method and device to reduce and eliminate vibrations in a rolling stand (11) for plane rolled products (12) comprising working rolls (13) associated with drive means (26) by means of a kinematic chain, there being included means to deliver a mixture of water and lubricant to the surface of each of the working rolls (13), the method providing to measure the effective value of torque transmitted to each of said working rolls (13) and to selectively vary the percentage of lubricant contained in the mixture delivered to each of said working rolls (13) according to the effective torque measured.

L'invention concerne un procédé et un dispositif pour réduire et supprimer les vibrations dans une cage de laminoir (11) pour des produits laminés plans (12) comprenant des cylindres (13) associés à des moyens d'entraînement (26) à l'aide d'une chaîne cinématique. Des moyens sont prévus pour fournir un mélange d'eau et de lubrifiants à la surface de chacun des cylindres (13). Le procédé selon l'invention permet de mesurer la valeur effective du moment transmis à chacun desdits cylindres (13) et de faire varier, de manière sélective, le pourcentage de lubrifiant contenu dans le mélange fourni à chacun des cylindres (13) selon le moment effectif mesuré.

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