Method and device for winding metal strip material

Details Method and device for winding metal strip material Method and device for winding metal strip material

B - Operations, Transporting

65

H

B65H 75/24 (2006.01) B21C 47/30 (2006.01)

Patent

CA 2728329

The invention concerns a method and a coiler mandrel for coiling metal strip (110), wherein the coiler mandrel (100) comprises a mandrel body (120), a plurality of radially expandable segments (115) arranged around the mandrel body (120), and a plurality of hydraulic cylinders (116) by which the segments (115) can be moved in the radial direction. To be able to coil the metal strip with a circular coil eye even when the friction varies in the individual cylinders, the invention proposes that each cylinder (116) of the plurality of cylinders be individually controlled.

L'invention concerne un procédé et un mandrin pour l'enroulement de ruban métallique (110). Le mandrin (100) comprend un corps de mandrin (120), une pluralité de segments (115) pouvant s'écarter radialement et disposés autour du corps de mandrin (120) et une pluralité de vérins hydrauliques (116) à l'aide desquels les segments (115) sont déplacés radialement. Afin de pouvoir enrouler le ruban métallique en formant un oel de bobine rond lorsque le frottement diffère entre les cylindres, il est proposé, selon l'invention, que chaque cylindre (116), parmi la pluralité de cylindres, soit régulé individuellement.

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