GB9118315D0 - Apparatus and method for monitoring laser material processing - Google Patents

Apparatus and method for monitoring laser material processing

Info

Publication number
GB9118315D0
GB9118315D0 GB9118315A GB9118315A GB9118315D0 GB 9118315 D0 GB9118315 D0 GB 9118315D0 GB 9118315 A GB9118315 A GB 9118315A GB 9118315 A GB9118315 A GB 9118315A GB 9118315 D0 GB9118315 D0 GB 9118315D0
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
apparatus
method
material processing
laser material
monitoring laser
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB9118315A
Other versions
GB2260402A (en )
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Liverpool
Original Assignee
University of Liverpool
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
Grant date

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/03Observing, e.g. monitoring, the workpiece
    • B23K26/032Observing, e.g. monitoring, the workpiece using optical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/03Observing, e.g. monitoring, the workpiece
    • B23K26/034Observing the temperature of the workpiece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0643Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0648Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/0665Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/12Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
    • B23K26/123Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20Bonding
    • B23K26/21Bonding by welding
    • B23K26/24Seam welding
GB9118315A 1991-08-24 1991-08-24 Apparatus and method for monitoring laser material processing Withdrawn GB9118315D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9118315A GB9118315D0 (en) 1991-08-24 1991-08-24 Apparatus and method for monitoring laser material processing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9118315A GB9118315D0 (en) 1991-08-24 1991-08-24 Apparatus and method for monitoring laser material processing
PCT/GB1992/001554 WO1993003881A1 (en) 1991-08-24 1992-08-24 Apparatus and method for monitoring laser material processing

Publications (2)

Publication Number Publication Date
GB9118315D0 true GB9118315D0 (en) 1991-10-09
GB2260402A true GB2260402A (en) 1993-04-14

Family

ID=10700500

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9118315A Withdrawn GB9118315D0 (en) 1991-08-24 1991-08-24 Apparatus and method for monitoring laser material processing

Country Status (2)

Country Link
GB (1) GB9118315D0 (en)
WO (1) WO1993003881A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4106007A1 (en) * 1991-02-26 1992-09-03 Fraunhofer Ges Forschung A method and device for machining workpieces with laser radiation
DE59407137D1 (en) * 1994-03-28 1998-11-26 Inpro Innovations Gmbh Method for monitoring the welding depth in workpieces during laser beam welding
DE4434409C1 (en) * 1994-09-26 1996-04-04 Fraunhofer Ges Forschung Method and apparatus for material processing with plasma-inducing laser radiation
US5651903A (en) * 1995-10-12 1997-07-29 Trw Inc. Method and apparatus for evaluating laser welding
US5728992A (en) * 1996-02-29 1998-03-17 Westinghouse Electric Corporation Apparatus and method for real time evaluation of laser welds especially in confined spaces such as within heat exchanger tubing
GB9611942D0 (en) * 1996-06-07 1996-08-07 Lumonics Ltd Focus control of lasers in material processing operations
DE19630437C2 (en) * 1996-07-27 2003-04-03 Jurca Optoelektronik Gmbh detecting device
ES2121702B1 (en) * 1997-02-17 1999-06-16 Univ Malaga Sensor for online monitoring and remote automated laser welding processes.
US5961859A (en) * 1997-10-23 1999-10-05 Trw Inc. Method and apparatus for monitoring laser weld quality via plasma size measurements
US6060685A (en) * 1997-10-23 2000-05-09 Trw Inc. Method for monitoring laser weld quality via plasma light intensity measurements
FR2843902A1 (en) * 2002-08-27 2004-03-05 Usinor Device and method for controlling an operation of welding, reloading or laser beam machining of a part
WO2005051586A1 (en) * 2003-11-24 2005-06-09 Technische Universität Berlin Method and device for controlling the application of energy during an assembly process
WO2008070784A1 (en) * 2006-12-06 2008-06-12 The Regents Of The University Of Michigan Optical sensor for quality monitoring of a welding process
CN102023614B (en) * 2010-10-08 2012-10-03 深圳市大族激光科技股份有限公司 Laser welding device
KR101240980B1 (en) * 2010-11-18 2013-03-11 기아자동차주식회사 Method for checking quality of laser welding and equipment thereof
KR101440119B1 (en) 2013-10-08 2014-09-12 한국원자력연구원 Apparatus and method for measuring the speed of plasma propagation using optical fiber
KR101648080B1 (en) * 2014-11-26 2016-08-12 한국원자력연구원 Apparatus and method for analysis of time dependant and spatially distributional characteristics of ion energy from laser-generated plasma
CN106148946A (en) * 2015-04-28 2016-11-23 东台精机股份有限公司 Laser cladding tool head and finished surface sensing method thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484059A (en) * 1982-04-26 1984-11-20 General Electric Company Infrared sensor for arc welding
FR2538107B1 (en) * 1982-12-17 1985-03-08 Commissariat Energie Atomique
DE3344683C2 (en) * 1983-12-10 1987-09-24 Gustav Staehler Gmbh & Co Kg, 5909 Burbach, De
DE3507299A1 (en) * 1984-03-02 1985-09-05 Fiat Ricerche A method and apparatus for controlling the welding process by analyzing the intensity of light generated during welding
US4657169A (en) * 1984-06-11 1987-04-14 Vanzetti Systems, Inc. Non-contact detection of liquefaction in meltable materials
DE3908187A1 (en) * 1989-03-14 1990-09-20 Jurca Marius Christian A method for quality assurance in laser welding and cutting
DE3934640C1 (en) * 1989-10-17 1991-02-28 Messerschmitt Boelkow Blohm Regulating temp. of laser radiation directed to biological tissue - measuring IR radiation emitted from latter exclusively in spectral range of atmospheric window
US5026979A (en) * 1990-03-05 1991-06-25 General Electric Company Method and apparatus for optically monitoring laser materials processing

Also Published As

Publication number Publication date Type
WO1993003881A1 (en) 1993-03-04 application
GB2260402A (en) 1993-04-14 application

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)