System and process for marking or perforating

Details System and process for marking or perforating System and process for marking or perforating

B - Operations, Transporting

23

K

B23K 26/02 (2006.01) B23K 26/03 (2006.01) B23K 26/06 (2006.01) B23K 26/08 (2006.01) B65C 9/46 (2006.01) G06K 1/12 (2006.01)

Patent

CA 2225919

The invention relates to a system for marking or perforating by laser and to a marking or perforation process in said system, which is comprised of at least one laser (19) which produces a beam, a supply unit for at least one laser (19), a control means (12) with a control program which controls the laser (19), a deflector (16) particularly an optical-acoustic deflector which produces different beam deflection angles, in this case an optical system traversed by the beam, which produces a marking or a perforation configured like a matrix of points (nxm) on a surface of a product in relative motion between the product to be marked or perforated and the laser beam. The supply unit and/or the deflector (16) may be controlled by the control program. The system of the invention provides for a dynamic control of the marking or perforation resolution in a vertical direction.

L'invention concerne un système de marquage ou de perforation par laser ainsi qu'un procédé de marquage ou de perforation dans ce système, comprenant au moins un laser (19) qui produit un faisceau, une unité d'alimentation d'au moins un laser (19), un moyen de commande (12) avec un programme de commande qui contrôle le laser (19), un déflecteur (16) en particulier un déflecteur opto-acoustique qui produit différents angles de déflection du faisceau, dans ce cas un système optique traverse le faisceau, et produit un marquage ou perforation en forme d'une matrice de points (n x m) sur une superficie d'un produit en mouvement relatif entre le produit à marquer ou à perforer et le faisceau laser. L'unité d'alimentation et/ou le déflecteur (16) peuvent être commandés par le programme de commande. Le système de l'invention permet une commande dynamique de la résolution de marquage ou de perforation dans un sens vertical.

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