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1. WO2014025541 - ASYMMETRIC CONSUMABLE FOR A PLASMA ARC TORCH

Publication Number WO/2014/025541
Publication Date 13.02.2014
International Application No. PCT/US2013/051989
International Filing Date 25.07.2013
IPC
H05H 1/34 2006.1
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY- CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
1Generating plasma; Handling plasma
24Generating plasma
26Plasma torches
32using an arc
34Details, e.g. electrodes, nozzles
CPC
H05H 1/34
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
HPLASMA TECHNIQUE
1Generating plasma; Handling plasma
24Generating plasma
26Plasma torches
32using an arc
34Details, e.g. electrodes, nozzles
H05H 1/3463
Y10T 29/49778
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
29Metal working
49Method of mechanical manufacture
49764with testing or indicating
49778with aligning, guiding, or instruction
Applicants
  • HYPERTHERM, INC, [US]/[US]
Inventors
  • TWAROG, Peter
Agents
  • RASMUSSEN, Xin, Hu
Priority Data
13/567,26006.08.2012US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) ASYMMETRIC CONSUMABLE FOR A PLASMA ARC TORCH
(FR) CONSOMMABLE ASYMÉTRIQUE POUR UN CHALUMEAU À ARC PLASMA
Abstract
(EN) A consumable set is provided that is usable in a plasma arc torch to direct a plasma arc to a processing surface of a workpiece. The consumable set includes a nozzle having: 1) a nozzle body defining a longitudinal axis extending therethrough, and 2) a nozzle exit orifice, disposed in the nozzle body, for constricting the plasma arc. The nozzle exit orifice defines an exit orifice axis oriented at a non-zero angle relative to the longitudinal axis. The consumable set can also include an alignment surface generally parallel to the exit orifice axis. The alignment surface is dimensioned to align the exit orifice such that the plasma arc impinges orthogonally on the processing surface.
(FR) La présente invention se rapporte à un ensemble consommable qui est utilisable dans un chalumeau à arc plasma pour diriger un arc plasma vers une surface de traitement d'une pièce à travailler. L'ensemble consommable comprend une buse qui comporte : 1) un corps de buse qui définit un axe longitudinal qui s'étend à travers ce dernier et 2) un orifice de sortie de buse disposé dans le corps de buse pour réduire l'arc plasma. L'orifice de sortie de buse définit un axe d'orifice de sortie formant un angle non nul par rapport à l'axe longitudinal. L'ensemble consommable peut également comprendre une surface d'alignement qui est, en règle générale, parallèle à l'axe d'orifice de sortie. La surface d'alignement est dimensionnée pour aligner l'orifice de sortie de telle sorte que l'arc plasma touche orthogonalement la surface de traitement.
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