High temperature tooling

Details High temperature tooling High temperature tooling

B - Operations, Transporting

23

K

B23K 31/00 (2006.01) B23K 10/00 (2006.01) H05H 1/34 (2006.01)

Patent

CA 2413293

A thermal tool (100) for high temperature work such as plasma welding or cutting has a replaceable nozzle (102) coupled to an elongate support (106) via interengaging threaded portions (108, 110) on each. The threaded portions are tapered and good heat conduction is provided from the nozzle to the elongate support, giving the nozzle a longer life. The nozzle can be readily removed and changed. A fluid-cooling channel (120) is enclosed in the second part adjacent the interengaging threads, which may be buttresstype threads.

La présente invention concerne un outil thermique (100) permettant l'usinage à haute température tel que le soudage ou le découpage au plasma, ledit outil présentant une buse interchangeable (102) couplée à un support allongé (106) par l'intermédiaire d'éléments d'accouplement filetés (108, 110) disposés sur chacun d'eux. Les éléments filetés sont effilés, et une bonne conduction thermique est assurée de la buse au support allongé, ce qui donne à la buse une longévité supérieure. La buse peut être facilement retirée et remplacée. Un canal de refroidissement de liquide (120) se trouve à l'intérieur de la seconde partie adjacente aux filets d'accouplement qui peuvent être des filets en dents de scie.

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