Plasma arc torch cutting component with optimized water cooling

Details Plasma arc torch cutting component with optimized water cooling Plasma arc torch cutting component with optimized water cooling

B - Operations, Transporting

23

K

B23K 10/00 (2006.01) H05H 1/28 (2006.01) H05H 1/34 (2006.01)

Patent

CA 2674290

A nozzle (200) or retaining cap (244) for a plasma arc torch (240) that includes a surface defining a conductive contact portion (208, 210) for exchanging heat with an adjacent torch component. The adjacent torch component can be a retaining cap, electrode or nozzle. The surface of the nozzle or retaining cap can also at least partially define a cooling channel (256) having a curvilinear surface (222, 224). A sealant portion (212) can be positioned between the conductive contact portion and the cooling channel. The sealant portion can form or create a fluid barrier between the cooling channel and the conductive portion.

L'invention concerne une buse ou un capuchon de retenue pour une torche à arc plasma qui comprend une surface définissant une portion de contact conductrice pour échanger de la chaleur avec un composant de torche adjacent. Le composant de torche adjacent peut être un capuchon de retenue, une électrode ou une buse. La surface de la buse ou du capuchon de retenue peut également, au moins partiellement, définir un canal de refroidissement ayant une surface curviligne. Une portion d'étanchéité peut être positionnée entre la portion de contact conductrice et le canal de refroidissement. La portion d'étanchéité peut former ou créer une barrière de fluide entre le canal de refroidissement et la portion conductrice.

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