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1. US5308951 - Laser beam machine

Office États-Unis d'Amérique
Numéro de la demande 07952907
Date de la demande 19.11.1992
Numéro de publication 5308951
Date de publication 03.05.1994
Numéro de délivrance 5308951
Date de délivrance 03.05.1994
Type de publication A
CIB
B23K 26/16
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
23MACHINES-OUTILS; TRAVAIL DES MÉTAUX NON PRÉVU AILLEURS
KBRASAGE OU DÉBRASAGE; SOUDAGE; REVÊTEMENT OU PLACAGE PAR BRASAGE OU SOUDAGE; DÉCOUPAGE PAR CHAUFFAGE LOCALISÉ, p.ex. DÉCOUPAGE AU CHALUMEAU; TRAVAIL PAR RAYON LASER
26Travail par rayon laser, p.ex. soudage, découpage ou perçage 
16Enlèvement de résidus, p.ex. des particules ou des vapeurs produites pendant le traitement de la pièce à travailler
B23K 26/14
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
23MACHINES-OUTILS; TRAVAIL DES MÉTAUX NON PRÉVU AILLEURS
KBRASAGE OU DÉBRASAGE; SOUDAGE; REVÊTEMENT OU PLACAGE PAR BRASAGE OU SOUDAGE; DÉCOUPAGE PAR CHAUFFAGE LOCALISÉ, p.ex. DÉCOUPAGE AU CHALUMEAU; TRAVAIL PAR RAYON LASER
26Travail par rayon laser, p.ex. soudage, découpage ou perçage 
14en utilisant un écoulement de fluide, p.ex. un jet de gaz, associé au faisceau laser; Buses à cet effet
CPC
B23K 26/16
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
16Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
B23K 26/14
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
14using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
B23K 26/1476
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
14using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
1462Nozzles; Features related to nozzles
1464Supply to, or discharge from, nozzles of media, e.g. gas, powder, wire
1476Features inside the nozzle for feeding the fluid stream through the nozzle
Déposants Fanuc Ltd.
Inventeurs Mori Atsushi
Mandataires Staas & Halsey
Données relatives à la priorité 1991119506 23.04.1991 JP
Titre
(EN) Laser beam machine
Abrégé
(EN)

A laser beam machine capable of preventing contaminants from entering a machining head. A laser beam (2) is reflected by a mirror (4) in a light guide passage (12) and introduced into the machining head (5). The laser beam is then focused by a parabolic mirror (6) to be irradiated onto a spot (7a) on a surface of a workpiece (7). An auxiliary gas (10) is ejected from a gas supply section (9) and throttled by a nozzle (11) to be supplied to the workpiece (7). The surface of the workpiece (7) is melted due to interaction between the laser beam (2) and the auxiliary gas (10), whereby a laser beam machining is achieved. An impeller (20) is arranged between the parabolic mirror (6) of the machining head (5) and the workpiece (7). A motor (21) for driving the impeller (20) is secured to a side wall (51) of the machining head (5) and rotates the impeller (20) at a high speed.

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