PT1335810E - Processo de corte a laser de alta velocidadde com gás adaptado - Google Patents

Processo de corte a laser de alta velocidadde com gás adaptado Download PDF

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Publication number
PT1335810E
PT1335810E PT01993388T PT01993388T PT1335810E PT 1335810 E PT1335810 E PT 1335810E PT 01993388 T PT01993388 T PT 01993388T PT 01993388 T PT01993388 T PT 01993388T PT 1335810 E PT1335810 E PT 1335810E
Authority
PT
Portugal
Prior art keywords
helium
nitrogen
process according
mixture
oxygen
Prior art date
Application number
PT01993388T
Other languages
English (en)
Inventor
Olivier Matile
Original Assignee
Air Liquide
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8856252&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT1335810(E) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Liquide filed Critical Air Liquide
Publication of PT1335810E publication Critical patent/PT1335810E/pt

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
    • B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
    • B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
    • B23K26/125—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases of mixed gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Claims (10)

1 REIVINDICAÇÕES 1. Processo de corte de uma peça de metal ou de liga metálica, possuindo uma espessura compreendida entre 0,1 e 2 mm, a uma velocidade de corte superior a 15 m/min, por utilização de pelo menos um feixe de raios laser e de pelo menos um gás de assistência do referido feixe de laser, caracterizado por o gás de assistência ser formado por uma mistura de hélio e de árgon e/ou de azoto, ou por azoto e oxigénio.
2. Processo de acordo com a reivindicação 1, caracterizado por a velocidade de corte ser superior a 18 m/min, de preferência superior a 20 m/min.
3. Processo de acordo com uma das reivindicações 1 ou 2, caracterizado por a velocidade de corte ser inferior a 300 m/min.
4. Processo de acordo com uma das reivindicações 1 a 3, caracterizado por o gás de assistência ser formado por uma mistura de hélio e de árgon, de hélio e de azoto, ou de azoto e de oxigénio.
5. Processo de acordo com uma das reivindicações 1 a 4, caracterizado por o gás de assistência ser constituído por uma mistura de hélio e de árgon contendo 20% a 80% (em volume) de hélio e sendo o resto árgon, preferivelmente 25 a 75% de hélio.
6. Processo de acordo com uma das reivindicações 1 a 4, caracterizado por o gás de assistência ser formado por uma mistura de hélio e de azoto, contendo 20% a 80% (em 2 volume) de hélio e sendo o resto azoto, preferivelmente 25 a 75% de hélio.
7. Processo de acordo com uma das reivindicações 1 a 4, caracterizado por o gás de assistência ser formado por uma mistura de azoto e de oxigénio, contendo 0,5% a 40% (em volume) de oxigénio e sendo o resto azoto, preferivelmente 1 a 20% de oxigénio.
8. Processo de acordo com uma das reivindicações 1 a 7, caracterizado por a peça a cortar ser escolhida entre placas, chapas e tubos.
9. Processo de acordo com uma das reivindicações 1 a 8, caracterizado por o feixe de raios laser ser fornecido por um dispositivo de laser de tipo C02 ou de tipo Nd:YAG.
10. Processo de acordo com uma das reivindicações 1 a 9, caracterizado por se utilizar um bocal de diâmetro interno compreendido entre 0,5 mm e 10 mm, preferivelmente entre 1 mm e 3 mm. Lisboa, 19 de Fevereiro de 2009
PT01993388T 2000-11-09 2001-11-08 Processo de corte a laser de alta velocidadde com gás adaptado PT1335810E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0014407A FR2816227B1 (fr) 2000-11-09 2000-11-09 Procede de coupage laser a haute vitesse avec gaz adapte

Publications (1)

Publication Number Publication Date
PT1335810E true PT1335810E (pt) 2009-02-27

Family

ID=8856252

Family Applications (1)

Application Number Title Priority Date Filing Date
PT01993388T PT1335810E (pt) 2000-11-09 2001-11-08 Processo de corte a laser de alta velocidadde com gás adaptado

Country Status (11)

Country Link
US (1) US6891126B2 (pt)
EP (1) EP1335810B1 (pt)
JP (1) JP2004526574A (pt)
AT (1) ATE417692T1 (pt)
AU (1) AU2002223039A1 (pt)
DE (1) DE60137074D1 (pt)
DK (1) DK1335810T3 (pt)
ES (1) ES2317951T3 (pt)
FR (1) FR2816227B1 (pt)
PT (1) PT1335810E (pt)
WO (1) WO2002038325A1 (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2816227B1 (fr) * 2000-11-09 2003-01-24 Air Liquide Procede de coupage laser a haute vitesse avec gaz adapte
FR2840836A1 (fr) * 2002-06-14 2003-12-19 Air Liquide Utilisation de melanges gazeux helium/azote/oxygene en soudage laser
FR2840833B1 (fr) * 2002-06-14 2004-12-03 Air Liquide Utilisation de melanges gazeux helium/azote en soudage laser jusqu'a 8 kw
FR2840834B1 (fr) * 2002-06-14 2004-12-03 Air Liquide Utilisation de melanges gazeux helium/azote en soudage laser jusqu'a 12 kw
DE10304473A1 (de) * 2003-02-04 2004-08-12 Linde Ag Verfahren zum Laserstrahlschweißen
DE102004026033A1 (de) * 2004-05-27 2005-12-15 Linde Ag Gasgemisch zum Laserstrahlschmelzschneiden
FR2880568B1 (fr) * 2005-01-12 2007-03-30 Air Liquide Coupage laser avec lentille a double focale de pieces metalliques de forte epaisseur
WO2006132229A1 (ja) 2005-06-07 2006-12-14 Nissan Tanaka Corporation レーザピアシング方法及び加工装置
US20070045255A1 (en) * 2005-08-23 2007-03-01 Klaus Kleine Laser induced plasma machining with an optimized process gas
FR2893872B1 (fr) * 2005-11-25 2008-10-17 Air Liquide Procede de coupage avec un laser a fibre d'acier c-mn
FR2893873B1 (fr) * 2005-11-25 2008-12-12 Air Liquide Procede de coupage avec un laser a fibre d'acier inoxydable
US20070156230A1 (en) 2006-01-04 2007-07-05 Dugan Stephen R Stents with radiopaque markers
US8752268B2 (en) 2006-05-26 2014-06-17 Abbott Cardiovascular Systems Inc. Method of making stents with radiopaque markers
US8535372B1 (en) 2006-06-16 2013-09-17 Abbott Cardiovascular Systems Inc. Bioabsorbable stent with prohealing layer
US8128688B2 (en) 2006-06-27 2012-03-06 Abbott Cardiovascular Systems Inc. Carbon coating on an implantable device
US7823263B2 (en) 2006-07-11 2010-11-02 Abbott Cardiovascular Systems Inc. Method of removing stent islands from a stent
US7901452B2 (en) 2007-06-27 2011-03-08 Abbott Cardiovascular Systems Inc. Method to fabricate a stent having selected morphology to reduce restenosis
US7955381B1 (en) 2007-06-29 2011-06-07 Advanced Cardiovascular Systems, Inc. Polymer-bioceramic composite implantable medical device with different types of bioceramic particles
US20100294745A1 (en) * 2009-05-20 2010-11-25 Ipg Photonics Corporation Laser Machining Process and Apparatus
US8435437B2 (en) 2009-09-04 2013-05-07 Abbott Cardiovascular Systems Inc. Setting laser power for laser machining stents from polymer tubing
GB2476080B (en) * 2009-12-10 2016-03-09 Salts Healthcare Ltd A method of modifying a component part of an ostomy appliance
US8808353B2 (en) 2010-01-30 2014-08-19 Abbott Cardiovascular Systems Inc. Crush recoverable polymer scaffolds having a low crossing profile
US8568471B2 (en) 2010-01-30 2013-10-29 Abbott Cardiovascular Systems Inc. Crush recoverable polymer scaffolds
US8726483B2 (en) 2011-07-29 2014-05-20 Abbott Cardiovascular Systems Inc. Methods for uniform crimping and deployment of a polymer scaffold
DE102013210878A1 (de) * 2013-06-11 2014-12-11 Schuler Automation Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung eines Blechformteils
US9999527B2 (en) 2015-02-11 2018-06-19 Abbott Cardiovascular Systems Inc. Scaffolds having radiopaque markers
US9700443B2 (en) 2015-06-12 2017-07-11 Abbott Cardiovascular Systems Inc. Methods for attaching a radiopaque marker to a scaffold

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DE4112371A1 (de) 1991-04-16 1992-10-22 Hurth Maschinen Werkzeuge Ueberlastsicherung fuer messelemente
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DE4226620C2 (de) * 1992-08-12 1995-01-19 Thyssen Stahl Ag Verfahren zum Laserstrahlschneiden von band- oder plattenförmigen Werkstücken, insbesondere von Elektroblech
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FR2816227B1 (fr) * 2000-11-09 2003-01-24 Air Liquide Procede de coupage laser a haute vitesse avec gaz adapte

Also Published As

Publication number Publication date
EP1335810A1 (fr) 2003-08-20
EP1335810B1 (fr) 2008-12-17
WO2002038325A1 (fr) 2002-05-16
ES2317951T3 (es) 2009-05-01
DK1335810T3 (da) 2009-04-06
FR2816227B1 (fr) 2003-01-24
ATE417692T1 (de) 2009-01-15
DE60137074D1 (de) 2009-01-29
US20040026387A1 (en) 2004-02-12
FR2816227A1 (fr) 2002-05-10
JP2004526574A (ja) 2004-09-02
AU2002223039A1 (en) 2002-05-21
US6891126B2 (en) 2005-05-10

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