Workpiece structure modification

Details Workpiece structure modification Workpiece structure modification

B - Operations, Transporting

23

K

B23K 15/08 (2006.01) B23K 26/00 (2006.01) B23K 26/08 (2006.01) B23K 26/38 (2006.01) B23K 35/00 (2006.01) C21D 1/09 (2006.01)

Patent

CA 2499060

A method of modifying the structure of workpiece (1) is provided. The method comprises a first step of causing relative movement between a power beam and the workpiece (1) so that a region (3) of the workpiece (1) is melted and the melted material displaced to form a projection (2) at a first location in the region (3) and a hole (4) at a different location in the region. The melted material is then allowed to at least partially solidify after which the first step is repeated one or more times, with the region corresponding to each repeat intersecting the region (3) of the first step.

L'invention concerne un procédé de modification de la structure d'une pièce (1). Ledit procédé comprend une première étape permettant le mouvement relatif entre un faisceau d'énergie et la pièce (1), de sorte qu'une région (3) de la pièce (1) est fondue et la matière fondue est déplacée, de façon à former une projection (2) sur un premier emplacement dans la région (3) et un creux (4) sur un emplacement différent dans la région. La matière fondue peut alors se solidifier au moins partiellement, puis la première étape est répétée une ou plusieurs fois, la région correspondant à chaque répétition coupant la région (3) de la première étape.

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