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1. WO2010063132 - METHOD AND APPARATUS FOR PRODUCING PIPE SECTIONS USING A LASER BEAM MOVABLE BY A SCANNING DEVICE, AND CORRESPONDING PIPE SECTION

Publication Number WO/2010/063132
Publication Date 10.06.2010
International Application No. PCT/CH2009/000382
International Filing Date 30.11.2009
IPC
B23K 26/10 2006.1
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
08Devices involving relative movement between laser beam and workpiece
10using a fixed support
B23K 26/38 2006.1
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
36Removing material
38by boring or cutting
B23K 26/08 2006.1
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
08Devices involving relative movement between laser beam and workpiece
B23K 26/26 2006.1
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
20Bonding
21by welding
24Seam welding
26of rectilinear seams
B21C 37/08 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
37Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
06of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
08Making tubes with welded or soldered seams
B21D 51/26 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
51Making hollow objects
16characterised by the use of the objects
26cans or tins; Closing cans or tins in a permanent manner
CPC
B21C 37/08
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
37Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
06of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
08Making tubes with welded or soldered seams
B23K 2101/125
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
2101Articles made by soldering, welding or cutting
04Tubular or hollow articles
12Vessels
125Cans
B23K 26/0643
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
02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
06Shaping the laser beam, e.g. by masks or multi-focusing
064by means of optical elements, e.g. lenses, mirrors or prisms
0643comprising mirrors
B23K 26/0652
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
02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
06Shaping the laser beam, e.g. by masks or multi-focusing
064by means of optical elements, e.g. lenses, mirrors or prisms
0652comprising prisms
B23K 26/082
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
08Devices involving relative movement between laser beam and workpiece
082Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
B23K 26/103
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
08Devices involving relative movement between laser beam and workpiece
10using a fixed support ; , i.e. involving moving the laser beam
103the laser beam rotating around the fixed workpiece
Applicants
  • COSMOCAN TECHNOLOGY AG (AllExceptUS)
  • BOLTSHAUSER, Werner [CH]/[CH] (UsOnly)
Inventors
  • BOLTSHAUSER, Werner
Agents
  • STOCKER, Kurt
Priority Data
1890/0803.12.2008CH
Publication Language German (de)
Filing Language German (DE)
Designated States
Title
(DE) VERFAHREN UND VORRICHTUNG ZUM HERSTELLEN VON ROHRABSCHNITTEN UNTER VERWENDUNG EINES DURCH EINE SCANEINRICHTUNG BEWEGBAREN LASERSTRAHLES; ENTSPRECHENDER ROHRABSCHNITT
(EN) METHOD AND APPARATUS FOR PRODUCING PIPE SECTIONS USING A LASER BEAM MOVABLE BY A SCANNING DEVICE, AND CORRESPONDING PIPE SECTION
(FR) PROCÉDÉ ET DISPOSITIF POUR FABRIQUER DES SECTIONS DE TUBE EN UTILISANT UN FAISCEAU LASER MÛ PAR UN DISPOSITIF DE BALAYAGE; SECTION DE TUBE CORRESPONDANTE
Abstract
(DE) Beim Abtrennen von Rohrabschnitten (5) von einem kontinuierlich entstehenden Rohr (4) wird eine geschlossene Trennlinie (16) um die Abschnittsachse (15) entlang des Rohrumfangs ausgebildet, welche um eine Abschnittslänge vom freien Rohrende beabstandet ist. Zum Abtrennen eines Rohrabschnittes (5) wird ein von einer Laser-Scaneinrichtung (18) erzeugter Laserstrahl (17) entlang des gesamten Umfangs des entstehenden Rohres (4) immer quer zur Abschnittsachse (15) auf die Trennlinie (16) umgelenkt, so dass ein im Wesentlichen fokussierter Kontaktbereich des Laserstrahls (17a) beim entstehenden Rohr (4) vollständig entlang der geschlossenen Trennlinie (16) geführt wird und dabei der Rohrabschnitt (5) vom entstehenden Rohr (4) abgetrennt wird.
(EN) When severing pipe sections (5) from a pipe (4) that is continuously produced, a closed separating line (16) is formed around the section axis (15) along the pipe circumference, said axis being disposed by a section length from the free pipe end. In order to sever a pipe section (5), a laser beam (17) generated by a laser scanning device (18) is deflected along the entire circumference of the pipe (4) being produced to the separating line, always transversely to the section axis (15), such that a substantially focused contact region of the laser beam (17a) on the pipe (4) being produced is guided completely along the closed separating line (16) and, in the process, the pipe section (5) is severed from the pipe (4) being produced.
(FR) Lors de la séparation de sections de tube (5) d'un tube (4) en formation continue, une ligne de séparation fermée (16), qui est espacée d'une longueur de section de l'extrémité libre du tube, est réalisée autour de l'axe de section (15) le long du pourtour du tube. Pour séparer une section de tube (5), un faisceau laser (17) produit par un dispositif de balayage de laser (18) est dirigé le long de tout le pourtour du tube en formation (4) toujours transversalement à l'axe de section (15) sur la ligne de séparation (16) de sorte qu'une zone de contact essentiellement focalisée du faisceau laser (17a) est guidée totalement le long de la ligne de séparation fermée (16) alors que le tube (4) est en formation et la section de tube (5) est de ce fait séparée du tube (4) en formation.
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