B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
B22F 3/105 (2006.01) A61C 13/00 (2006.01)
Patent
CA 2557049
The invention relates to a method which is used to produce a set of control data for the production of metallic and/or non-metallic products (2, 21) by free-form sintering and/or melting by means of a high-energy beam (8), in particular a laser or electron beam. The product (2, 21) is made of, layer by layer (12 to 15, 20, 22), a material (6) which is to be applied in a layered manner by means of said beam (8) which is guided by a set of control data. The inventive method comprises the following steps; reading (23) a product target geometry data set which represents the target geometry of the product which is to be produced, and producing (25) the set of control data from the product target geometry data set. Said method also comprises the following steps in order to improve the dimensional accuracy; determining (24) a compensation data set and/or a compensation function which is used to compensate manufacturing influences related to sintering and/or melting, and the coupling (25) of the compensation data set and/or use of the compensation function on the product target geometry data set in order to produce the control data set. The invention also relates to a corresponding device (11) which is used to carry out said type of method, in addition to a correspondingly controlled device (1) which is used to produce said type of products (2, 21).
L'invention concerne un procédé servant à générer des enregistrements de commande pour la production d'articles métalliques et/ou non métalliques (2, 21) par frittage et/ou coulée sans matrice au moyen d'un faisceau de haute énergie (8), notamment d'un faisceau laser ou électronique. Selon l'invention, un article (2, 21) est constitué, couche par couche (12 à 15, 20, 22), à partir d'un matériau (6) à appliquer par couches au moyen de ce faisceau (8) guidé par un enregistrement de commande. Le procédé selon l'invention consiste à lire (23) un enregistrement de géométrie nominale d'article qui représente la géométrie nominale de l'article à produire, et à générer (25) l'enregistrement de commande à partir de l'enregistrement de géométrie nominale de l'article. Pour améliorer le respect des dimensions, ce procédé comprend également les étapes suivantes : détermination (24) d'un enregistrement de compensation et/ou d'une fonction de compensation servant à compenser des influences de technique de fabrication dues au frittage et/ou à la coulée, et combinaison (25) de l'enregistrement de compensation et/ou application de la fonction de compensation à l'enregistrement de géométrie nominale de l'article afin de générer l'enregistrement de commande. L'invention concerne également un dispositif correspondant (11) pour exécuter un tel procédé, ainsi qu'un dispositif commandé de manière correspondante pour produire de tels articles (2, 21).
Hagemeister Frank
Uckelmann Ingo
Vagt Carsten
Bego Medical Gmbh
Oyen Wiggs Green & Mutala Llp
LandOfFree
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