Device for rotational cutting of band-shaped material

Details Device for rotational cutting of band-shaped material Device for rotational cutting of band-shaped material

B - Operations, Transporting

26

D

B26D 7/26 (2006.01) B24B 3/36 (2006.01) B24B 5/36 (2006.01) B26D 7/08 (2006.01)

Patent

CA 2268921

The invention relates to a device for rotational cutting of band-shaped material, comprising a rotational cutting cylinder which is fitted with at least one cutting edge and a counter-tool (2), wherein the band-shaped material is passed between the counter-tool (2) and the rotational cutting roller. The rotational cutting roller is fitted with at least one, and specially two thrust collars (1) placed in the circumference of the counter- tool (2), which determine the feed motion of the cutting edge towards the counter-tool (2). According to the invention, at least one sharpening device (5) having at least one sharpening element (9) is provided, which can be placed on the thrust collar or collars (1) or on the counter-tool (2), said sharpening element removing material from the thrust collars (1) or the counter-tool.

L'invention concerne un dispositif de coupe par rotation d'un matériau en forme de bande, comprenant un cylindre de coupe par rotation qui porte une lame sur sa circonférence, et un contre-outil (2). Le matériau en bande passe entre le cylindre de coupe par rotation et le contre-outil (2). Le cylindre de coupe par rotation est doté d'au moins une bague, notamment de deux bagues (1) qui sont en contact avec la circonférence du contre-outil (2) et qui permettent de déterminer l'avance de la lame vers le contre-outil (2). Selon l'invention, au moins un dispositif d'affûtage (5), pourvu d'au moins un élément d'affûtage (9), peut être placé sur la ou les bagues (1) ou sur le contre-outil (2), ledit élément d'affûtage enlevant de la matière des bagues (1) ou du contre-outil (2).

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