Transferred arc plasma torch for e.g. welding application, has electrode supplying unit supplying sacrificial electrode and comprising electrode moving device for moving electrode towards distal end of torch

The torch has a metallic through tube (25) cooled by using coolant e.g. water, and a sacrificial electrode (30) e.g. graphite electrode, inserted in the tube. An electrode supplying unit supplies the electrode and comprises an electrode moving device (60) e.g. motorized roller, moving the electrode...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BOURGIER ARNAUD, LEMORT FLORENT, GIROLD CHRISTOPHE, BRUGUIERE LIONEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS
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Beschreibung
Zusammenfassung:	The torch has a metallic through tube (25) cooled by using coolant e.g. water, and a sacrificial electrode (30) e.g. graphite electrode, inserted in the tube. An electrode supplying unit supplies the electrode and comprises an electrode moving device (60) e.g. motorized roller, moving the electrode towards a distal end of the torch. A guiding and maintaining unit (40) ensures the guiding and fixation of a head of the torch on a body of the torch in a predetermined position. La présente invention concerne une torche à plasma à arc transféré comportant un fourreau (25) refroidi au moyen d'un fluide de refroidissement (21) et une électrode insérée dans ledit fourreau. L'électrode est réalisée dans un matériau consommable et la torche comprend des moyens (80) pour alimenter l'électrode en ce matériau de façon à compenser son érosion.