Method and apparatus in changing the setting of a slitter

B - Operations – Transporting – 26 – D

Patent

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Details

B26D 7/18 (2006.01) B26D 1/04 (2006.01) B26D 9/00 (2006.01) B65H 19/20 (2006.01) B65H 35/02 (2006.01)

Patent

CA 2413741

The invention relates to a method in changing the blade setting of a slitter- winder, in which method the setting of blades (41, 42) is changing during slitting in order to slit component webs (Wo) of different widths, in which connection the width of the edge trimming which is formed changes and wherein an untrimmed neck remains between the edge trimmings of different widths which are formed when slitting according to a different blade setting. In the method, a cutting apparatus (50) is used for making a cut between the slitting line of an edge trimming according to an old blade setting and the slitting line of an edge trimming according to a new blade setting controlled by a control system (59) of the cutting apparatus (50). The invention also relates to an apparatus in changing the blade setting of a slitter-winder. The apparatus (50) comprises a cutting member (53) for making a cut between the edge trimmings of different widths produced in connection with the chnage of the blade setting in slitting, and a control system (59) for controlling the operation of the cutting apparatus (50).

L'invention concerne un procédé de changement du réglage de la lame d'une coupeuse-bobineuse, dans lequel le réglage des lames (41, 42) est changé pendant la coupe aux fins de couper des bandes d'élément (W¿o?) de tailles différentes. A cet égard la largeur du rognage obtenu change et un col non rogné reste entre les rognages de différentes largeurs, lesquels rognages sont formés pendant la coupe en fonction d'un réglage différent de la lame. Dans le procédé de l'invention, un appareil de coupe (50) est utilisé pour effectuer une coupe entre la ligne de coupe d'un rognage en fonction d'un ancien réglage de la lame et la ligne de coupe d'un rognage en fonction d'un nouveau réglage de la lame contrôlé par un système de commande (59) de l'appareil de coupe (50). L'invention concerne en outre un appareil à changer le réglage de la lame d'une coupeuse-bobineuse. L'appareil (50) comprend un élément de coupe (53) qui effectue une coupe entre les rognages de différentes largeurs obtenus en rapport avec le changement de réglage de la lame pendant la coupe, et un système de commande (59) pour contrôler le fonctionnement de l'appareil de coupe (50).

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