Method for producing a surface-alloyed cylindrical,...

B - Operations – Transporting – 23 – K

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Details

B23K 26/34 (2006.01) B23K 26/08 (2006.01) B23K 26/14 (2006.01) C23C 4/16 (2006.01) C23C 24/10 (2006.01) C23C 26/02 (2006.01)

Patent

CA 2370657

The invention relates to a method for producing a surface-alloyed cylindrical, partially cylindrical or hollow cylindrical component. A locally defined melting bath having a warming-up and a melting-on front (20), a dissolving zone (21) and a solidification front (22) is produced in the impact zone of the energy beam. The invention also relates to a device for carrying out said method. The inventive device consists of a clamping device (1) for workpieces. A workpiece is oriented and clamped on said clamping device by means of index bores and/or treatment surfaces. A powder supply device (5) and a beam emanating from a beam head (4) is oriented towards the surface of said workpiece, whereby said beam can be focussed.

L'invention concerne un procédé de réalisation d'un composant cylindrique, partiellement cylindrique ou cylindrique creux dont la surface est alliée. Selon ledit procédé, dans la zone d'incidence d'un faisceau d'énergie est formé un bain de fusion localement limité, avec un front de réchauffement et de fusion (20), une zone de dissolution (21) et un front de solidification (22). L'invention concerne en outre un dispositif permettant la mise en oeuvre de ce procédé, lequel est constitué d'un dispositif de serrage de pièce (1), sur lequel une pièce est orientée au moyen d'alésages de référence et/ou de faces à traiter et fixée, pièce sur la surface de laquelle sont dirigés un dispositif d'amenée de poudre (5) et un rayonnement pouvant être focalisé, provenant d'une tête à rayonnement (4).

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