Laser method of scribing graphics

B - Operations – Transporting – 23 – K

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Details

B23K 26/00 (2006.01) B23K 26/03 (2006.01) B23K 26/08 (2006.01) B41M 5/24 (2006.01) D06M 10/00 (2006.01) D06P 5/00 (2006.01) D06P 5/15 (2006.01) D06P 5/20 (2006.01) G06K 1/12 (2006.01) B41M 1/30 (2006.01) B41M 1/38 (2006.01)

Patent

CA 2236480

A laser (11) scribes graphics on a material (21). Movement of the laser beam (12) in contact with the surface (22) of the material (21) causes a graphic (23) to be scribed on the surface (22). The movements and timing of the mirrors (13, 17) are controlled by the numerical control computer (15) to scribe the specific desired graphic (23). Once a range of energy density per unit time is determined for scribing a desired graphic on a given material, the energy density per unit time can be controlled to stay within that range to achieve desired results in a repeatable fashion. When the material scribed is fabric, leather or vinyl materials, control of the energy density per unit time can be controlled to substantially avoid complete carbonization, melting and/or burnthrough of the material.

Un laser (11) trace des éléments graphiques sur un matériau (21). Le déplacement du faisceau laser (12) en contact avec la surface (22) du matériau (21) trace un élément graphique (23) sur la surface (22). L'ordinateur de commande numérique (15) commande les déplacements des miroirs en fonction du temps (13, 17) de façon à tracer l'élément graphique désiré (23). Une fois la plage de densité d'énergie par unité de temps déterminée pour tracer l'élément graphique désiré sur un matériau donné, on peut la réguler de façon à ce qu'elle se maintienne à l'intérieur de cette plage, ce qui permet d'obtenir les résultats désirés d'une manière reproductible. Quand le matériau est du tissu, du cuivre ou du vinyle, on peut régler la commande de la densité d'énergie par unité de temps de façon à éviter de totalement carboniser, faire fondre et/ou trouer par brûlure le matériau.

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