AU3027700A - Structured multi-spot detecting technique for adaptive control of laser beam processing - Google Patents

Structured multi-spot detecting technique for adaptive control of laser beam processing

Info

Publication number
AU3027700A
AU3027700A AU30277/00A AU3027700A AU3027700A AU 3027700 A AU3027700 A AU 3027700A AU 30277/00 A AU30277/00 A AU 30277/00A AU 3027700 A AU3027700 A AU 3027700A AU 3027700 A AU3027700 A AU 3027700A
Authority
AU
Australia
Prior art keywords
laser beam
adaptive control
beam processing
detecting technique
spot detecting
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.)
Abandoned
Application number
AU30277/00A
Inventor
Hongping Gu
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.)
ArcelorMittal Tailored Blanks Americas Ltd
Original Assignee
Powerlasers Ltd
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 Powerlasers Ltd filed Critical Powerlasers Ltd
Publication of AU3027700A publication Critical patent/AU3027700A/en
Abandoned 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
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
AU30277/00A 1999-01-14 2000-01-14 Structured multi-spot detecting technique for adaptive control of laser beam processing Abandoned AU3027700A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11590399P 1999-01-14 1999-01-14
US60115903 1999-01-14
PCT/CA2000/000025 WO2000041836A1 (en) 1999-01-14 2000-01-14 Structured multi-spot detecting technique for adaptive control of laser beam processing

Publications (1)

Publication Number Publication Date
AU3027700A true AU3027700A (en) 2000-08-01

Family

ID=22364047

Family Applications (1)

Application Number Title Priority Date Filing Date
AU30277/00A Abandoned AU3027700A (en) 1999-01-14 2000-01-14 Structured multi-spot detecting technique for adaptive control of laser beam processing

Country Status (3)

Country Link
AU (1) AU3027700A (en)
CA (1) CA2323803A1 (en)
WO (1) WO2000041836A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2463409A1 (en) * 2004-04-02 2005-10-02 Servo-Robot Inc. Intelligent laser joining head
US7595894B2 (en) 2006-06-02 2009-09-29 General Electric Company Profilometry apparatus and method of operation
WO2008070784A1 (en) * 2006-12-06 2008-06-12 The Regents Of The University Of Michigan Optical sensor for quality monitoring of a welding process
WO2010007852A1 (en) * 2008-07-16 2010-01-21 住友電気工業株式会社 Laser processing apparatus and processing method employed therein
DE102008049821B4 (en) 2008-10-01 2018-11-22 Volkswagen Ag Distance sensor and method for determining a distance and / or distance variations between a processing laser and a workpiece
CN102615423B (en) * 2012-04-25 2014-04-02 湖南大学 Method for diagnosing galvanized steel laser powder addition welding defects on line based on characteristic spectrum
CN103817431A (en) * 2013-12-11 2014-05-28 乐清市佳速激光有限公司 Laser real-time feedback control system and control method thereof
CN103706949B (en) * 2013-12-11 2016-08-10 乐清市华尊电气有限公司 Welder and welding method thereof
ES2921930A1 (en) * 2021-02-19 2022-09-02 Fund Tekniker MICRO-DRILLING MACHINE AND METHOD FOR MONITORING AND CONTROLLING SINGLE-PULSE LASER MICRO-DRILLING PROCESSES (Machine-translation by Google Translate, not legally binding)
EP4378608A1 (en) * 2022-11-30 2024-06-05 BAE SYSTEMS plc Monitoring apparatus and a method of monitoring a melt pool during powder bed fusion manufacturing
WO2024115886A1 (en) * 2022-11-30 2024-06-06 Bae Systems Plc Monitoring apparatus and a method of monitoring a melt pool during powder bed fusion manufacturing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4039318A1 (en) * 1990-12-10 1992-06-11 Krupp Gmbh Device for monitoring the height of laser gun above workpiece surface - using measuring laser beam and two light conductors with differential circuits
JP2964829B2 (en) * 1993-04-01 1999-10-18 日産自動車株式会社 Welding method and welding equipment
US5651903A (en) * 1995-10-12 1997-07-29 Trw Inc. Method and apparatus for evaluating laser welding

Also Published As

Publication number Publication date
WO2000041836A1 (en) 2000-07-20
CA2323803A1 (en) 2000-07-20

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase