DE60312962D1 - Laser Punktschweissverfahren und -vorrichtung zum wirksamen Prüfen der Schweissqualität - Google Patents

Laser Punktschweissverfahren und -vorrichtung zum wirksamen Prüfen der Schweissqualität

Info

Publication number
DE60312962D1
DE60312962D1 DE60312962T DE60312962T DE60312962D1 DE 60312962 D1 DE60312962 D1 DE 60312962D1 DE 60312962 T DE60312962 T DE 60312962T DE 60312962 T DE60312962 T DE 60312962T DE 60312962 D1 DE60312962 D1 DE 60312962D1
Authority
DE
Germany
Prior art keywords
laser spot
quality
welding
spot welding
stage
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.)
Expired - Lifetime
Application number
DE60312962T
Other languages
English (en)
Other versions
DE60312962T2 (de
Inventor
Simone Amorosi
Ronald Gianotti
Hans Peter Schwob
Thomas Sidler
Christian Wissing
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.)
Lasag AG
Original Assignee
Lasag AG
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
Application filed by Lasag AG filed Critical Lasag AG
Publication of DE60312962D1 publication Critical patent/DE60312962D1/de
Application granted granted Critical
Publication of DE60312962T2 publication Critical patent/DE60312962T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B23K26/03—Observing, e.g. monitoring, the workpiece
    • B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
    • 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
    • B23K26/03—Observing, e.g. monitoring, the workpiece
    • B23K26/034—Observing the temperature of the workpiece
    • 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
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/22—Spot welding
    • 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
    • B23K26/60—Preliminary treatment

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
DE60312962T 2003-05-13 2003-05-13 Laser Punktschweissverfahren und -vorrichtung zum wirksamen Prüfen der Schweissqualität Expired - Lifetime DE60312962T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03010716A EP1477266B1 (de) 2003-05-13 2003-05-13 Laser Punktschweissverfahren und -vorrichtung zum wirksamen Prüfen der Schweissqualität

Publications (2)

Publication Number Publication Date
DE60312962D1 true DE60312962D1 (de) 2007-05-16
DE60312962T2 DE60312962T2 (de) 2007-12-13

Family

ID=33016872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60312962T Expired - Lifetime DE60312962T2 (de) 2003-05-13 2003-05-13 Laser Punktschweissverfahren und -vorrichtung zum wirksamen Prüfen der Schweissqualität

Country Status (8)

Country Link
US (1) US8304687B2 (de)
EP (1) EP1477266B1 (de)
JP (1) JP4537763B2 (de)
CN (1) CN100475417C (de)
AT (1) ATE358547T1 (de)
DE (1) DE60312962T2 (de)
HK (1) HK1071709A1 (de)
TW (1) TWI313630B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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US20050169346A1 (en) * 2004-01-29 2005-08-04 Trw Automotive U.S. Llc Method for monitoring quality of a transmissive laser weld
US8071907B2 (en) 2007-05-12 2011-12-06 Honeywell International Inc. Button attachment method for saw torque sensor
US20100155378A1 (en) * 2008-12-18 2010-06-24 Hans-Herbert Fuchs Battery Manufacturing
JP2010184248A (ja) * 2009-02-10 2010-08-26 Nippon Avionics Co Ltd レーザ溶接方法および装置
CN102967374B (zh) * 2012-11-16 2015-08-26 中国航空工业集团公司北京航空制造工程研究所 一种激光焊接过程温度场的测量方法
CN104070292B (zh) * 2013-03-26 2016-02-17 香港理工大学 激光点焊监测方法及监测装置
US9067278B2 (en) 2013-03-29 2015-06-30 Photon Automation, Inc. Pulse spread laser
JP2015077610A (ja) * 2013-10-16 2015-04-23 トヨタ自動車株式会社 レーザ接合構造及びレーザ接合方法
JP5740036B1 (ja) * 2014-08-01 2015-06-24 古河電気工業株式会社 平面型ヒートパイプ
CN105855706B (zh) * 2015-02-09 2018-02-13 司浦爱激光技术英国有限公司 激光焊缝
DE102016204578B3 (de) * 2016-03-18 2017-08-17 Trumpf Laser- Und Systemtechnik Gmbh Laserschweißen von Stahl mit Leistungsmodulation zur Heißrissvermeidung
DE102016208309A1 (de) 2016-05-13 2017-11-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Überwachung der Qualität einer Schweißnaht
JP6385997B2 (ja) * 2016-09-16 2018-09-05 本田技研工業株式会社 レーザ溶接方法及びレーザ溶接装置
DE102019006705B4 (de) * 2019-09-25 2021-05-27 Visiontools Bildanalyse Systeme Gmbh Verfahren und Anordnung zur Kontrolle von Fügenähten
DE102020131954A1 (de) 2020-12-02 2022-06-02 Auto-Kabel Management Gmbh Verfahren zur Folienbeschichtung mittels Laser
CN113210857B (zh) * 2021-04-01 2023-01-20 西北稀有金属材料研究院宁夏有限公司 一种铸造铍铝合金激光焊接的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62137187A (ja) * 1985-12-11 1987-06-20 Nec Corp レ−ザスポツト溶接装置
US4825035A (en) * 1986-09-20 1989-04-25 Mitsubishi Denki Kabushiki Kaisha Control apparatus for energy beam hardening
DE3710816A1 (de) * 1987-03-31 1988-10-20 Focus Control Gmbh Fc Vorrichtung zur bearbeitung eines werkstuecks mittels eines laserstrahls
US4845354A (en) * 1988-03-08 1989-07-04 International Business Machines Corporation Process control for laser wire bonding
US5380978A (en) * 1991-07-12 1995-01-10 Pryor; Timothy R. Method and apparatus for assembly of car bodies and other 3-dimensional objects
US5681490A (en) * 1995-09-18 1997-10-28 Chang; Dale U. Laser weld quality monitoring system
JP3436861B2 (ja) * 1997-04-07 2003-08-18 新日本製鐵株式会社 鋼板のレーザ切断方法及び装置
JP3436862B2 (ja) * 1997-04-07 2003-08-18 新日本製鐵株式会社 厚鋼板のレーザ切断方法及び装置
US6018729A (en) * 1997-09-17 2000-01-25 Lockheed Martin Energy Research Corporation Neural network control of spot welding
US6191379B1 (en) * 1999-04-05 2001-02-20 General Electric Company Heat treatment for weld beads
JP2001314986A (ja) * 2000-05-02 2001-11-13 Nippon Steel Corp レーザ切断方法
JP2003001452A (ja) * 2001-06-15 2003-01-08 Furukawa Electric Co Ltd:The レーザ溶接方法およびその方法を用いて製造された半導体レーザモジュール

Also Published As

Publication number Publication date
TWI313630B (en) 2009-08-21
ATE358547T1 (de) 2007-04-15
US20040226923A1 (en) 2004-11-18
TW200513334A (en) 2005-04-16
HK1071709A1 (en) 2005-07-29
US8304687B2 (en) 2012-11-06
EP1477266A1 (de) 2004-11-17
JP2004337983A (ja) 2004-12-02
CN1550282A (zh) 2004-12-01
JP4537763B2 (ja) 2010-09-08
EP1477266B1 (de) 2007-04-04
DE60312962T2 (de) 2007-12-13
CN100475417C (zh) 2009-04-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: MOERTEL, A., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 9