B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
B21C 47/24 (2006.01) B21C 47/30 (2006.01) B65H 75/24 (2006.01)
Patent
CA 2458536
The invention relates to a plurality of methods and devices which are used to wind a thin metal strip (1), especially a hot rolled or cold rolled thin steel strip, onto a winding mandrel (3a), the diameter thereof being adjusted. To begin with, the coil inner windings (12,18) are wound onto the adjusted diameter of the winding mandrel, and after the coil (11) has been wound, the winding mandrel (3a) is removed or the coil (11) taken off. According to a first method, in order to prevent individual windings (12,18) from detaching themselves in the eye of the coil (15) due to stiffening of windings, at least one profiled rise or profiled cavity is pressed into one inner winding or a plurality of adjacent inner windings (12,18) on the circumference during rotation of the coil.
L'invention concerne divers procédés et dispositifs servant à bobiner des bandes de métal (1), notamment du feuillard d'acier mince laminé à chaud ou à froid, sur un mandrin de bobinage (3a), dont le diamètre est ajusté. Au début, les enroulements intérieurs de la bobine (12, 18) sont bobinés sur le diamètre ajusté du mandrin de bobinage et une fois l'opération de bobinage de la bobine (11) terminée, le mandrin de bobinage (3a) est enlevé ou la bobine (11) est sortie. Afin d'éviter que des enroulements individuels (12, 18) ne se détachent dans l'oeil de la bobine (15) par rigidification d'enroulements, il est prévu selon un premier procédé, d'enfoncer dans un ou plusieurs enroulements intérieurs (12, 18) adjacents, en périphérie, une ou plusieurs élévations profilées ou un ou plusieurs creux pendant que la bobine tourne.
Baeumer Klaus
Ginsberg Klaus
Tuschhoff Matthias
Fetherstonhaugh & Co.
Sms Demag Aktiengesellschaft
Sms Siemag Aktiengesellschaft
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