WO2009007708A3 - Laser cutting - Google Patents

Laser cutting Download PDF

Info

Publication number
WO2009007708A3
WO2009007708A3 PCT/GB2008/002338 GB2008002338W WO2009007708A3 WO 2009007708 A3 WO2009007708 A3 WO 2009007708A3 GB 2008002338 W GB2008002338 W GB 2008002338W WO 2009007708 A3 WO2009007708 A3 WO 2009007708A3
Authority
WO
WIPO (PCT)
Prior art keywords
laser beam
workpiece
laser cutting
cut
assist gas
Prior art date
Application number
PCT/GB2008/002338
Other languages
French (fr)
Other versions
WO2009007708A2 (en
Inventor
Mohamed Sobih
Lin Li
Philippus Crouse
Original Assignee
Univ Manchester
Mohamed Sobih
Lin Li
Philippus Crouse
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
Priority claimed from GB0713260A external-priority patent/GB0713260D0/en
Priority claimed from GB0719276A external-priority patent/GB0719276D0/en
Application filed by Univ Manchester, Mohamed Sobih, Lin Li, Philippus Crouse filed Critical Univ Manchester
Publication of WO2009007708A2 publication Critical patent/WO2009007708A2/en
Publication of WO2009007708A3 publication Critical patent/WO2009007708A3/en

Links

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
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
    • 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
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • 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
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/0665—Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
    • 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
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
    • 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
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/1435—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor involving specially adapted flow control means
    • B23K26/1436—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor involving specially adapted flow control means for pressure control
    • 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
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/18—Sheet panels
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • B23K2103/05—Stainless steel
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/14—Titanium or alloys thereof

Landscapes

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

Abstract

A method of laser cutting, the method comprising generating a laser beam and directing the laser beam and assist gas at a workpiece, relative movement between the laser beam and the workpiece taking place such that the laser beam scans over a surface of the workpiece, wherein parameters including the power of the laser beam, the spot size of the laser beam in the workpiece, the pressure of the assist gas, and the cutting speed are selected such that the workpiece is cut without causing striations to be formed on surfaces of the cut.
PCT/GB2008/002338 2007-07-09 2008-07-08 Laser cutting WO2009007708A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0713260A GB0713260D0 (en) 2007-07-09 2007-07-09 Laser cutting
GB0713260.8 2007-07-09
GB0719276A GB0719276D0 (en) 2007-10-02 2007-10-02 Laser cutting
GB0719276.8 2007-10-02

Publications (2)

Publication Number Publication Date
WO2009007708A2 WO2009007708A2 (en) 2009-01-15
WO2009007708A3 true WO2009007708A3 (en) 2009-03-19

Family

ID=40121204

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2008/002338 WO2009007708A2 (en) 2007-07-09 2008-07-08 Laser cutting

Country Status (1)

Country Link
WO (1) WO2009007708A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106238920A (en) * 2016-07-29 2016-12-21 奔腾激光(温州)有限公司 A kind of laser cutting machine

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* Cited by examiner, † Cited by third party
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EP2409808A1 (en) 2010-07-22 2012-01-25 Bystronic Laser AG Laser processing machine
DE102010049428A1 (en) * 2010-10-23 2012-04-26 Volkswagen Ag Laser cutting of electrical steel material
DE102011001474A1 (en) * 2011-03-22 2012-09-27 Carl Zeiss Microimaging Gmbh Laser microdissection method and laser microdissection device
CN102615434A (en) * 2012-04-13 2012-08-01 常熟市平冶机械有限公司 Method for cutting titanium alloy steel plate through laser
EP2883647B1 (en) 2013-12-12 2019-05-29 Bystronic Laser AG Method for configuring a laser machining device
JP6170643B1 (en) * 2016-04-14 2017-07-26 株式会社アマダホールディングス Laser processing machine and laser processing method
CN106112274A (en) * 2016-07-29 2016-11-16 奔腾激光(温州)有限公司 A kind of laser cutting parameter
DE102019212360A1 (en) 2019-08-19 2021-02-25 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Method of flame cutting by means of a laser beam
EP4201576A1 (en) 2021-12-22 2023-06-28 Bystronic Laser AG Laser reactive cutting method and apparatus for cutting a thick metal workpiece
EP4219062A1 (en) * 2022-01-31 2023-08-02 Bystronic Laser AG Laser cutting method and machine
CN114985974A (en) * 2022-06-16 2022-09-02 西北工业大学太仓长三角研究院 Thick plate myriawatt-level laser bright surface cutting method
CN117532177B (en) * 2023-12-25 2024-06-04 惠州兴通成机电技术有限公司 Laser cutting system and method for bevel lampshade
CN117532279B (en) * 2024-01-08 2024-03-19 山西金鼎泰金属制品股份有限公司 Connecting flange processing method for high-pressure pipeline

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045669A (en) * 1990-03-02 1991-09-03 General Electric Company Method and apparatus for optically/acoustically monitoring laser materials processing
WO1998052258A1 (en) * 1997-05-12 1998-11-19 Dahm Jonathan S Improved laser cutting methods
US20070119833A1 (en) * 2005-11-25 2007-05-31 L'air Liquide Societe Anonyme Pour I'etude Et I'exploitation Des Procedes Georges Claude METHOD FOR CUTTING C-Mn STEEL WITH A FIBER LASER

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045669A (en) * 1990-03-02 1991-09-03 General Electric Company Method and apparatus for optically/acoustically monitoring laser materials processing
WO1998052258A1 (en) * 1997-05-12 1998-11-19 Dahm Jonathan S Improved laser cutting methods
US20070119833A1 (en) * 2005-11-25 2007-05-31 L'air Liquide Societe Anonyme Pour I'etude Et I'exploitation Des Procedes Georges Claude METHOD FOR CUTTING C-Mn STEEL WITH A FIBER LASER

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
CHEN K ET AL: "Numerical simulation of oxidation effects in the laser cutting process", 1999, INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 1999 SPRINGER-VERLAG LONDON LTD., VOL. 15, NR. 11, PAGE(S) 835 - 842, XP002508697 *
CHEN K ET AL: "Striation Formation and Melt Removal in the Laser Cutting Process", 1 January 1999, JOURNAL OF MANUFACTURING SYSTEMS, SOCIETY OF MANUFACTURING ENGINEERS, DEARBORN, MI, US, PAGE(S) 43 - 53, ISSN: 0278-6125, XP004174230 *
ERMOLAEV G V ET AL: "Mathematical modelling of striation formation in oxygen laser cutting of mild steel", 7 October 2006, JOURNAL OF PHYSICS D. APPLIED PHYSICS, IOP PUBLISHING, BRISTOL, GB, PAGE(S) 4236 - 4244, ISSN: 0022-3727, XP020094773 *
KLEINE K F ET AL: "Fiber laser for micro cutting of metals", 2003, PROCEEDINGS OF SPIE - THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING 2003 SPIE US, VOL. 4974, PAGE(S) 184 - 192, XP002508696 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106238920A (en) * 2016-07-29 2016-12-21 奔腾激光(温州)有限公司 A kind of laser cutting machine

Also Published As

Publication number Publication date
WO2009007708A2 (en) 2009-01-15

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