Method for lubricating milling material

Details Method for lubricating milling material Method for lubricating milling material

B - Operations, Transporting

21

B

B21B 27/10 (2006.01) B21B 45/02 (2006.01)

Patent

CA 2547960

Disclosed is a method for rolling milling material, especially for hot wide- strip rolling in a finishing train or a continuous casting and rolling plant, in which a lubricant is applied directly to the surface of the working rollers or indirectly to the surface of the support rollers, the lubricant then being transferred to the surface of the working rollers, before the milling material is fed into the roller gap of a roll stand. A highly adhesive lubricant film forms on the surface of the working roller, said lubricant film resulting in a reduction of friction in the roller gap as an intermediate layer between the roller and the milling material. According to the inventive method, the lubricant is applied along the entire length of the milling material such that the lubricating effect comes into play along the entire length of the milling material.

L'invention concerne un procédé de laminage de produits, en particulier de laminage large bande, à chaud, dans un train finisseur ou dans une installation de laminage à coulée continue, procédé dans lequel un agent lubrifiant est appliqué directement sur la surface des cylindres de travail, ou indirectement, sur la surface des cylindres d'appui, avec transfert sur la surface des cylindres de travail, avant que le produit à laminer parvienne dans l'espace entre cylindres d'une cage de laminoir, de sorte qu'il se forme à la surface du cylindre de travail, un film lubrifiant adhérant fortement, lequel forme, dans l'espace entre cylindres, une couche intermédiaire entre le cylindre et le produit à laminer, entraînant ainsi une réduction de frottement. Le lubrifiant est appliqué sur toute la longueur du produit à laminer, de sorte que l'effet lubrifiant est actif sur toute la longueur du produit à laminer.

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