B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 26/06 (2006.01) B23K 26/00 (2006.01)
Patent
CA 2399108
The aim of the invention is a method, whereby the least energy per pulse required is achieved, despite high pulse frequencies, during the machining of materials by means of laser beams (2a, 2b, 2c), in particular during the engraving of, for example, metal, or during the blackening and inscribing of plastics. Said aim is achieved, whereby several laser beams (2a, 2b, 2c) are brought together, by means of a beam combiner (5, 5a, 5b), fed down a common beam guide onto the workpiece and, in particular, controlled in an intermittent manner.
L'invention vise à créer un procédé d'usinage de matière au moyen de rayons laser (2a, 2b, 2c), notamment pour graver du métal par exemple ou pour noircir une matière plastique et réaliser une inscription sur cette dernière, ledit procédé permettant d'atteindre l'énergie minimale requise par impulsion, en dépit d'une fréquence élevée d'impulsions d'usinage. A cet effet, plusieurs rayons laser (2a, 2b, 2c) sont regroupés par l'intermédiaire d'un élément de regroupement de rayons (5, 5a, 5b), puis acheminés à la pièce (4) en étant guidés en commun, et commandés en particulier avec un décalage dans le temps.
Bielesch Ulrich
Kreuter Rudiger
Datacard Corporation
Marks & Clerk
LandOfFree
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