Thin-strip coiler comprising a flatness measuring roll

G - Physics – 01 – B

Patent

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Details

G01B 5/28 (2006.01) B21B 38/02 (2006.01) B21B 39/12 (2006.01) B21C 47/06 (2006.01) B21C 51/00 (2006.01) G01B 21/30 (2006.01) B21B 15/00 (2006.01)

Patent

CA 2452336

The invention relates to a method and device for measuring and influencing the strip flatness in the coiler shaft of a hot-strip mill, whereby the coiler shaft has, between a driver and a coiler, moving and stationary strip guides as well as a flatness measuring roll (13). The hot strip (1) is supplied via the coiler shaft to a coiler, which is provided with a coiler mandrel (5), pressure rolls (6) and with deflecting shells (7), over a roller table (2) and the driving rolls (3, 4) of the driver. The flatness measuring roll (13) is displaced out of a working position, in which the hot strip is guided around the flatness measuring roll (13) while maintaining an approximately constant contact angle .alpha., and into a lowered position. In addition, a strip guide (14), which can swivel inward and protects

L'invention concerne un procédé et un dispositif permettant de mesurer et d'influer sur la planéité dans le puits de bobineuse d'un système pour laminer les feuillards chauds, ledit puits de bobineuse présentant entre un élément d'entraînement et une bobineuse, des guides de bande mobiles et fixes, ainsi qu'un rouleau de mesure de planéité (13). Le feuillard chaud (1) est acheminé par l'intermédiaire d'une ligne de rouleaux (2) et des rouleaux d'entraînement (3, 4) de l'élément d'entraînement, à travers le puits de bobineuse, jusqu'à une bobineuse comportant un mandrin (5), des rouleaux de compression (6) et des coques de renvoi (7). Le rouleau de mesure de planéité (13) passe d'une position de travail dans laquelle le feuillard chaud est guidé autour du rouleau de mesure de planéité (13), un angle d'enroulement alpha approximativement constant étant maintenu, dans une position inclinée. Il est prévu dans le puits de bobineuse un guide de bande (14) pivotant protégeant le rouleau de mesure de planéité (13).

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