B - Operations – Transporting – 26 – F
Patent
B - Operations, Transporting
26
F
B26F 3/06 (2006.01) B23K 9/00 (2006.01) B23K 28/00 (2006.01)
Patent
CA 2385874
An apparatus for cutting or welding a workpiece includes a jetting head (9), a cruicible heater power supply (34), a stream heating power supply (54), and a pressurizing gas source (22). The crucible power supply (34) is electrically connected to the jetting head (9) through a pair of leads (32) (33). The stream heating power supply (54) is electrically connected to the jetting head (9) through a negative lead (52) and to a workpiece (70) through a positive lead (53). Gas from the gas source (22) is supplied to the jetting head (9) through a pressurizing gas source interconnecting piping (18), a pressurizing gas source regulator (23), and a pressurizing gas source on/off valve (20). The jetting head (9) is de-pressurized through a de-pressurizing vent (25), a de-pressuring vent interconnecting piping (19), and a de-pressurizing vent on/off valve (21). The power source (54), which is in electrical communication with the conductive fluid (82). The conductiv e fluid (82) is applied to the workpiece (56) to modify the workpiece (56) to modify the workpiece (56).
L'invention concerne un système de découpage de métaux par injection comprenant une tête d'injection, un organe chauffant et une source d'alimentation et servant à modifier une pièce à usiner. La tête d'injection comprend un creuset et une entrée servant à recevoir une alimentation en matériau conducteur. Le dispositif chauffant fond ce matériau conducteur dans le creuset, d'où la production d'un fluide conducteur sortant de la tête d'injection par l'intermédiaire d'une sortie. La source d'alimentation, qui se trouve en communication électrique avec le fluide conducteur, augmente la température de ce fluide conducteur. On applique ledit fluide conducteur sur la pièce à usiner de façon à la modifier.
Connally William J.
Couch Richard W.
Dean Robert C.
Hackett Charles M.
Lu Zhipeng
Hypertherm Inc.
Riches Mckenzie & Herbert Llp
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