Arrangement and method for producing a three-dimensional...

B - Operations – Transporting – 22 – F

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B22F 3/105 (2006.01) B29C 67/00 (2006.01)

Patent

CA 2507695

An arrangement and method for production of three-dimensional bodies by successive fusing together of selected areas of a powder bed, which parts correspond to successive cross sections of the three-dimensional body, which method comprises the following method steps: application of powder layers to a work table, supplying energy from a radiation gun according to an operating scheme determined for the powder layer to said selected area within the powder layer, fusing together that area of the powder layer selected according to said operating scheme for forming a cross section of said three-dimensional body, a three-dimensional body being formed by successive fusing together of successively formed cross sections from successively applied powder layers.

L'invention concerne un ensemble et un procédé pour produire des articles tridimensionnels par fusion successive de zones sélectionnées d'un lit de poudre, ces parties correspondant à des sections transversales successives de l'article tridimensionnel. Le procédé consiste à mettre des couches de poudre sur une table de travail, à appliquer une énergie émise par un dispositif de rayonnement conformément à un schéma de fonctionnement déterminé pour la couche de poudre, notamment pour la zone sélectionnée dans ladite couche, à faire fondre cette zone de la couche de poudre sélectionnée conformément au schéma de fonctionnement et à former ainsi une section transversale de l'article tridimensionnel. La présente invention porte également sur un article tridimensionnel réalisé par fusion successive de sections transversales formées successivement à partir de couches de poudre appliquées l'une après l'autre.

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