DE68903094D1 - Laserschweissueberwachungssystem und verfahren. - Google Patents

Laserschweissueberwachungssystem und verfahren.

Info

Publication number
DE68903094D1
DE68903094D1 DE8989830496T DE68903094T DE68903094D1 DE 68903094 D1 DE68903094 D1 DE 68903094D1 DE 8989830496 T DE8989830496 T DE 8989830496T DE 68903094 T DE68903094 T DE 68903094T DE 68903094 D1 DE68903094 D1 DE 68903094D1
Authority
DE
Germany
Prior art keywords
monitoring system
laser welding
welding monitoring
laser
welding
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 - Fee Related
Application number
DE8989830496T
Other languages
English (en)
Other versions
DE68903094T2 (de
Inventor
Paul Andrew Robertson
John Brian Lowry
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.)
Fiat Auto SpA
Original Assignee
Fiat Auto SpA
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 Fiat Auto SpA filed Critical Fiat Auto SpA
Application granted granted Critical
Publication of DE68903094D1 publication Critical patent/DE68903094D1/de
Publication of DE68903094T2 publication Critical patent/DE68903094T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • B23K26/042—Automatically aligning the laser beam
    • B23K26/043—Automatically aligning the laser beam along the beam path, i.e. alignment of laser beam axis relative to laser beam apparatus
    • 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
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • 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
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • B23K26/044—Seam tracking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Laser Beam Processing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Laser Surgery Devices (AREA)
DE8989830496T 1988-11-22 1989-11-14 Laserschweissueberwachungssystem und verfahren. Expired - Fee Related DE68903094T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8827282A GB2236846B (en) 1988-11-22 1988-11-22 Laser welding monitoring systems.

Publications (2)

Publication Number Publication Date
DE68903094D1 true DE68903094D1 (de) 1992-11-05
DE68903094T2 DE68903094T2 (de) 1993-02-18

Family

ID=10647267

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989830496T Expired - Fee Related DE68903094T2 (de) 1988-11-22 1989-11-14 Laserschweissueberwachungssystem und verfahren.

Country Status (9)

Country Link
US (1) US5038016A (de)
EP (1) EP0370967B1 (de)
JP (1) JP2672380B2 (de)
BR (1) BR8906130A (de)
DE (1) DE68903094T2 (de)
ES (1) ES2035642T3 (de)
GB (1) GB2236846B (de)
IT (1) IT1239263B (de)
PL (1) PL162344B1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT399117B (de) * 1991-05-27 1995-03-27 Schuoecker Dieter Dipl Ing Dr Verfahren zur automatisierten qualitätskontrolle für die lasermaterialbearbeitung
DE4133620C1 (de) * 1991-10-10 1993-04-22 Maho Ag, 8962 Pfronten, De
US5241419A (en) * 1992-01-27 1993-08-31 General Electric Company Co-axial viewing device for lasers
US20030185273A1 (en) * 1993-09-17 2003-10-02 Hollander Milton Bernard Laser directed temperature measurement
KR0177005B1 (ko) * 1994-04-20 1999-02-18 오까다 하지모 레이저 가공장치와 레이저 가공방법 및 댐바 가공방법
US5612538A (en) * 1995-01-17 1997-03-18 The Regents Of The University Of California Faraday imaging at high temperatures
US5837960A (en) * 1995-08-14 1998-11-17 The Regents Of The University Of California Laser production of articles from powders
US5756924A (en) * 1995-09-28 1998-05-26 The Regents Of The University Of California Multiple laser pulse ignition method and apparatus
US6046426A (en) * 1996-07-08 2000-04-04 Sandia Corporation Method and system for producing complex-shape objects
US6947802B2 (en) 2000-04-10 2005-09-20 Hypertherm, Inc. Centralized control architecture for a laser materials processing system
GB0118307D0 (en) * 2001-07-26 2001-09-19 Gsi Lumonics Ltd Automated energy beam positioning
US6596961B2 (en) 2001-09-12 2003-07-22 Fraunhofer Usa, Inc. Method and apparatus for monitoring and adjusting a laser welding process
US6670574B1 (en) * 2002-07-31 2003-12-30 Unitek Miyachi Corporation Laser weld monitor
US20040150688A1 (en) * 2003-01-30 2004-08-05 Kin-Ming Kwan Measuring laser light transmissivity in a to-be-welded region of a work piece
US7186947B2 (en) * 2003-03-31 2007-03-06 Hypertherm, Inc. Process monitor for laser and plasma materials processing of materials
JP4509578B2 (ja) 2004-01-09 2010-07-21 浜松ホトニクス株式会社 レーザ加工方法及びレーザ加工装置
JP4601965B2 (ja) * 2004-01-09 2010-12-22 浜松ホトニクス株式会社 レーザ加工方法及びレーザ加工装置
JP4598407B2 (ja) * 2004-01-09 2010-12-15 浜松ホトニクス株式会社 レーザ加工方法及びレーザ加工装置
JP3708104B2 (ja) * 2004-01-13 2005-10-19 浜松ホトニクス株式会社 レーザ加工方法及びレーザ加工装置
DE102004005358B4 (de) * 2004-02-03 2007-03-22 Daimlerchrysler Ag Verfahren zur Laserbearbeitung beschichteter Bleche und beschichtetes Blech
US20060163220A1 (en) * 2005-01-27 2006-07-27 Brandt Aaron D Automatic gas control for a plasma arc torch
US7094988B1 (en) 2005-04-18 2006-08-22 Honeywell International, Inc. Laser welding heat treat process
CN1962154A (zh) * 2005-11-10 2007-05-16 鸿富锦精密工业（深圳）有限公司 模仁加工装置及加工方法
TWI352001B (en) * 2005-11-18 2011-11-11 Hon Hai Prec Ind Co Ltd Laser machining system and process for laser machi
CN1966197B (zh) * 2005-11-18 2010-11-10 鸿富锦精密工业（深圳）有限公司 一种激光加工系统及加工方法
DE102006015383B4 (de) * 2006-04-03 2016-12-15 Robert Bosch Gmbh Vorrichtung und Verfahren zur Laserverschweißung eines ersten Werkstücks mit einem zweiten Werkstück
DE102007027377B4 (de) * 2006-06-28 2010-08-12 Scansonic Mi Gmbh Vorrichtung und Verfahren zur Bearbeitung eines Werkstücks mittels eines Laserstrahls
JP5440499B2 (ja) * 2008-07-16 2014-03-12 住友電気工業株式会社 レーザ加工装置及びその加工方法
FR2936177B1 (fr) * 2008-09-24 2011-08-26 Air Liquide Procede de soudage laser de type co2 avec buse a jet dynamique.
US8309880B2 (en) * 2010-01-29 2012-11-13 Phoenix Silicon International Corporation Coating layer removing apparatus and method for the same
US10539604B2 (en) 2017-05-08 2020-01-21 Illinois Tool Works Inc. Methods and apparatus for detecting leakage current
CN111344102A (zh) * 2018-11-29 2020-06-26 合刃科技（深圳）有限公司 焊接轨迹跟踪方法、装置及系统
CN113231741B (zh) * 2021-04-26 2022-04-19 南京航空航天大学 一种基于环形光斑同轴送丝的激光焊接装置及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417127A (en) * 1980-05-19 1983-11-22 Institute Po Technicheska Kibernetika I Robotika Method and apparatus for seam tracking in arc welding
GB2125162B (en) * 1982-07-26 1985-09-18 Atomic Energy Authority Uk Optical alignment system
JPS61154771A (ja) * 1984-12-27 1986-07-14 Hitachi Ltd 溶接位置検出装置
US4769523A (en) * 1985-03-08 1988-09-06 Nippon Kogaku K.K. Laser processing apparatus
US4700045A (en) * 1985-04-30 1987-10-13 Chesapeake Laser Systems, Inc. Seam tracking system with acousto-optical scanner
EP0266764A3 (de) * 1986-11-07 1990-05-16 Fried. Krupp Gesellschaft mit beschränkter Haftung Verfahren und Anordnung zum Führen eines Laserarbeitsstrahls längs einer Nahtfuge
US4764655A (en) * 1987-08-31 1988-08-16 General Electric Company Real-time laser beam diameter determination in a laser-materials processing system

Also Published As

Publication number Publication date
ES2035642T3 (es) 1993-04-16
IT8968018A0 (it) 1989-11-17
BR8906130A (pt) 1990-06-26
JP2672380B2 (ja) 1997-11-05
GB2236846B (en) 1992-10-14
IT8968018A1 (it) 1991-05-17
EP0370967A1 (de) 1990-05-30
GB2236846A (en) 1991-04-17
DE68903094T2 (de) 1993-02-18
JPH02179378A (ja) 1990-07-12
GB8827282D0 (en) 1988-12-29
US5038016A (en) 1991-08-06
EP0370967B1 (de) 1992-09-30
PL162344B1 (pl) 1993-10-30
IT1239263B (it) 1993-09-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee