Method and apparatus for slitting a sheet material web

Details Method and apparatus for slitting a sheet material web Method and apparatus for slitting a sheet material web

B - Operations, Transporting

65

H

B65H 18/10 (2006.01) B23D 45/02 (2006.01) B26D 3/16 (2006.01) B65H 35/02 (2006.01)

Patent

CA 2303311

An apparatus and a method for slitting a sheet material web (100) as it is wound onto a roll (20) including at least one winding drum (21, 22) supporting the web, a moveable reel spool (24) positioned in a parallel and spaced apart relationship with the winding drum, a slitting device and a control system. The slitting device includes a track member (112) and a slitting member (120) moveably mounted on the track member. The slitting member (120) continuously slits the sheet material web (100) longitudinally along its length as it is wound onto the roll (20). The control system controls the position of the slitting member (120) on the track (112) so as to maintain a predetermined penetration of the slitting member within the roll (20) as the roll increases in size.

Appareil et procédé servant à couper une bande (100) de matériau sous forme de feuille simultanément à son enroulement sur un rouleau (20) et comprenant au moins un tambour d'enroulement (21, 22) supportant la bande, un mandrin mobile (24) de bobine mère placé en position parallèle et éloignée par rapport au tambour d'enroulement, un dispositif de coupe et un système de commande. Ce dispositif de coupe comporte un élément de guidage (112) et un couteau circulaire (120) monté mobile sur l'élément de guidage. Ce couteau circulaire (120) coupe en continu la bande (100) dans le sens de sa longueur simultanément à son enroulement sur le rouleau (20). Le système de commande commande la position du couteau circulaire (120) sur le guide (112), de manière à conserver une pénétration du couteau circulaire à l'intérieur du rouleau (20) simultanément à l'augmentation de l'épaisseur de ce dernier.

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