CA2028844A1 - Method and apparatus for quality assurance for laser welding or cutting applications - Google Patents

Method and apparatus for quality assurance for laser welding or cutting applications

Info

Publication number
CA2028844A1
CA2028844A1 CA2028844A CA2028844A CA2028844A1 CA 2028844 A1 CA2028844 A1 CA 2028844A1 CA 2028844 A CA2028844 A CA 2028844A CA 2028844 A CA2028844 A CA 2028844A CA 2028844 A1 CA2028844 A1 CA 2028844A1
Authority
CA
Canada
Prior art keywords
pct
quality assurance
detection
laser welding
sec
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.)
Granted
Application number
CA2028844A
Other languages
French (fr)
Other versions
CA2028844C (en
Inventor
Marius-Christian Jurca
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.)
Precitec GmbH and Co KG
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2028844A1 publication Critical patent/CA2028844A1/en
Application granted granted Critical
Publication of CA2028844C publication Critical patent/CA2028844C/en
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
    • B23K26/03—Observing, e.g. monitoring, the workpiece
    • B23K26/032—Observing, e.g. monitoring, the workpiece using optical means

Abstract

PCT No. PCT/EP90/00412 Sec. 371 Date Aug. 8, 1991 Sec. 102(e) Date Aug. 8, 1991 PCT Filed Mar. 14, 1990 PCT Pub. No. WO90/10520 PCT Pub. Date Sep. 20, 1990.Method for on-line quality assurance when processing materials with laser energy by means of electro-optical detection of the near-infrared radiation of the material which is thrown out of the "key-hole" during the material processing operation with laser, thus detecting the dimension of hollows (pores, holes) which have arisen in the workpiece. The detection of the thermal radiation of the thrown out material is effected in a wavelength of 800 nm up to approximately 1300 nm, preferably with simultaneous detection of the ultraviolet radiation of the plasma could in a preferred wavelength of approx. 200 nm up to 450 nm. Finally, there is also a description of the processing procedure for near-infrared signals.
CA002028844A 1989-03-14 1990-03-14 Method and apparatus for quality assurance for laser welding or cutting applications Expired - Fee Related CA2028844C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3908187.7 1989-03-14
DE3908187A DE3908187A1 (en) 1989-03-14 1989-03-14 METHOD FOR QUALITY ASSURANCE IN LASER BEAM WELDING AND CUTTING

Publications (2)

Publication Number Publication Date
CA2028844A1 true CA2028844A1 (en) 1990-09-15
CA2028844C CA2028844C (en) 1995-04-25

Family

ID=6376261

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002028844A Expired - Fee Related CA2028844C (en) 1989-03-14 1990-03-14 Method and apparatus for quality assurance for laser welding or cutting applications

Country Status (7)

Country Link
US (1) US5272312A (en)
EP (1) EP0414869B1 (en)
JP (1) JPH03504214A (en)
AT (1) ATE116181T1 (en)
CA (1) CA2028844C (en)
DE (2) DE3908187A1 (en)
WO (1) WO1990010520A1 (en)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4039303A1 (en) * 1990-12-10 1992-06-11 Egbert U Dipl Ing Beske Monitoring laser beam working process - by measuring intensity changes in measuring laser beam after passage through vapour or plasma cloud above work area
DE4106008A1 (en) * 1991-02-26 1992-08-27 Fraunhofer Ges Forschung Constant monitoring of area around laser beam welding process - to determine degree of weld spitting by monitoring brightness centres
DE4106007A1 (en) * 1991-02-26 1992-09-03 Fraunhofer Ges Forschung METHOD AND DEVICE FOR MACHINING WORKPIECES WITH LASER RADIATION
DE4124162C1 (en) * 1991-07-20 1992-12-03 Ludger Dipl.-Ing. Overmeyer Optimising laser beam process quality, esp. ceramic cutting - includes measuring the intensity of e.g. UV and comparing against threshold value, increasing threshold value and measuring again when penetration occurs
GB2260402A (en) * 1991-08-24 1993-04-14 Univ Liverpool Monitoring laser material processing
US5283416A (en) * 1992-06-26 1994-02-01 Trw Inc. Laser process monitoring and evaluation
DE4310409C2 (en) * 1993-03-31 1998-01-15 Dresden Ev Inst Festkoerper Method and device for beam diagnosis in the defined laser irradiation
DE19516376C2 (en) * 1995-05-04 1998-12-03 Blz Gmbh Method and device for checking and regulating the focal spot position during laser material processing
US5767480A (en) * 1995-07-28 1998-06-16 National Semiconductor Corporation Hole generation and lead forming for integrated circuit lead frames using laser machining
US5681490A (en) * 1995-09-18 1997-10-28 Chang; Dale U. Laser weld quality monitoring system
US5651903A (en) * 1995-10-12 1997-07-29 Trw Inc. Method and apparatus for evaluating laser welding
US5925268A (en) 1996-06-06 1999-07-20 Engauge Inc. Laser welding apparatus employing a tilting mechanism and seam follower
US5961858A (en) * 1996-06-06 1999-10-05 Engauge Inc. Laser welding apparatus employing a tilting mechanism
DE19630437C2 (en) * 1996-07-27 2003-04-03 Jurca Optoelektronik Gmbh detecting device
US20020088778A1 (en) * 1996-10-28 2002-07-11 Lasertech Usa, Llc Apparatus and method for laser welding bellows based on reference point determining
DE19724986C2 (en) * 1997-06-13 1999-07-29 Jurca Optoelektronik Gmbh Process for welding workpieces and device for carrying them out
DE19741329C1 (en) * 1997-09-19 1998-10-22 Fraunhofer Ges Forschung Treatment of materials with high energy radiation inducing a plasma
US6060685A (en) * 1997-10-23 2000-05-09 Trw Inc. Method for monitoring laser weld quality via plasma light intensity measurements
US5961859A (en) * 1997-10-23 1999-10-05 Trw Inc. Method and apparatus for monitoring laser weld quality via plasma size measurements
JP2910763B1 (en) * 1998-06-03 1999-06-23 スズキ株式会社 Welding laser focal position detector
US6188041B1 (en) * 1998-11-13 2001-02-13 Korea Atomic Energy Research Institute Method and apparatus for real-time weld process monitoring in a pulsed laser welding
US5948293A (en) * 1998-12-03 1999-09-07 General Electric Company Laser shock peening quality assurance by volumetric analysis of laser shock peened dimple
US6204469B1 (en) 1999-03-04 2001-03-20 Honda Giken Kogyo Kabushiki Kaisha Laser welding system
US6947802B2 (en) * 2000-04-10 2005-09-20 Hypertherm, Inc. Centralized control architecture for a laser materials processing system
US6359251B1 (en) 2000-04-10 2002-03-19 Hypertherm, Inc. Centralized control architecture for a plasma arc system
US6772040B1 (en) 2000-04-10 2004-08-03 Hypertherm, Inc. Centralized control architecture for a plasma arc system
US6622058B1 (en) 2000-04-10 2003-09-16 Tate S. Picard Centralized control architecture for a plasma arc system
JP3385363B2 (en) * 2000-05-11 2003-03-10 北海道大学長 Laser welding method, laser welding apparatus, and gas shield apparatus for laser welding
KR100346090B1 (en) * 2000-05-30 2002-11-23 한국원자력연구소 Method and apparatus for monitoring the size variation and the focus shift of a weld pool in laser welding
FR2811427B1 (en) * 2000-07-06 2002-10-25 Aerospatiale Matra Ccr METHOD FOR DETECTION AND IDENTIFICATION OF DEFECTS IN A WELDING CORD MADE BY LASER BEAM
JP3603843B2 (en) * 2001-02-23 2004-12-22 日産自動車株式会社 Laser welding quality monitoring method and apparatus
DE10120251B4 (en) 2001-04-25 2006-03-23 Precitec Kg Method and sensor device for monitoring a laser processing operation to be performed on a workpiece and laser processing head with such a sensor device
US6596961B2 (en) 2001-09-12 2003-07-22 Fraunhofer Usa, Inc. Method and apparatus for monitoring and adjusting a laser welding process
DE10160623B4 (en) * 2001-12-11 2011-06-09 Precitec Kg Apparatus and method for monitoring a laser processing operation, in particular a laser welding operation
US6858104B2 (en) * 2002-01-28 2005-02-22 Scimed Life Systems, Inc. Apparatus and method for closed-loop control of laser welder for welding polymeric catheter components
DE10222117B4 (en) * 2002-05-17 2004-09-16 W&H Dentalwerk Bürmoos Gesellschaft m.b.H. Dental medical laser processing device for plasma-induced ablation
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
EP1642366B1 (en) * 2003-06-03 2019-05-22 Esab AB Laser-weld process control system and method
US7666522B2 (en) 2003-12-03 2010-02-23 IMDS, Inc. Laser based metal deposition (LBMD) of implant structures
US7001672B2 (en) 2003-12-03 2006-02-21 Medicine Lodge, Inc. Laser based metal deposition of implant structures
US20060011592A1 (en) * 2004-07-14 2006-01-19 Pei-Chung Wang Laser welding control
DE102004041935B4 (en) * 2004-08-30 2012-04-05 Precitec Kg Device for observing a laser processing process, and device for controlling the laser processing process
US20060163220A1 (en) 2005-01-27 2006-07-27 Brandt Aaron D Automatic gas control for a plasma arc torch
DE102005024085A1 (en) * 2005-05-25 2006-11-30 Precitec Kg Laser processing step e.g. laser welding/cutting process, monitoring device for workpiece, has radiation-sensitive receiver e.g. photodiode, and camera e.g. CCD image sensor, that simultaneously supply output signals to evaluation circuit
US7268315B2 (en) * 2005-07-13 2007-09-11 Hewlett-Packard Development Company, L.P. Monitoring slot formation in substrates
US20070045250A1 (en) * 2005-08-30 2007-03-01 United Technologies Corporation Method for manually laser welding metallic parts
US20070045257A1 (en) * 2005-08-30 2007-03-01 United Technologies Corporation Laser control system
TWI352001B (en) * 2005-11-18 2011-11-11 Hon Hai Prec Ind Co Ltd Laser machining system and process for laser machi
US7951412B2 (en) * 2006-06-07 2011-05-31 Medicinelodge Inc. Laser based metal deposition (LBMD) of antimicrobials to implant surfaces
DE102006028250A1 (en) * 2006-06-20 2007-12-27 Carl Zeiss Microimaging Gmbh Monitoring laser welding processes with or without spontaneous plasma zone formation, images optical radiation from processing region, analyzes spectrally and evaluates
WO2009148022A1 (en) * 2008-06-04 2009-12-10 三菱電機株式会社 Laser processing device and laser processing system
US20100140236A1 (en) * 2008-12-04 2010-06-10 General Electric Company Laser machining system and method
US7873495B2 (en) * 2009-02-24 2011-01-18 Inspectech Corporation Welding quality control and monitoring system
EP2409808A1 (en) * 2010-07-22 2012-01-25 Bystronic Laser AG Laser processing machine
US9339890B2 (en) * 2011-12-13 2016-05-17 Hypertherm, Inc. Optimization and control of beam quality for material processing
CN104619453B (en) * 2012-08-09 2016-08-24 罗芬-拉萨格股份公司 For utilizing the system of laser beam processing workpiece
JP5967042B2 (en) * 2013-09-12 2016-08-10 Ｊｆｅスチール株式会社 Laser welding quality determination device and laser welding quality determination method
EP2883647B1 (en) 2013-12-12 2019-05-29 Bystronic Laser AG Method for configuring a laser machining device
US10112262B2 (en) 2014-10-28 2018-10-30 General Electric Company System and methods for real-time enhancement of build parameters of a component
JP6588380B2 (en) * 2016-04-21 2019-10-09 ファナック株式会社 Laser processing apparatus and laser processing method
US20180200794A1 (en) * 2017-01-18 2018-07-19 General Electric Company Method and apparatus for optical detection of keyholing and overmelts
CN109290675B (en) * 2018-09-05 2023-07-07 广东工业大学 Laser welding penetration energy reflection type photoelectric signal evaluation and detection device and method
JP7398650B2 (en) * 2020-01-28 2023-12-15 パナソニックＩｐマネジメント株式会社 Laser processing equipment and output control device for laser processing equipment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1180008B (en) * 1984-03-02 1987-09-23 Fiat Ricerche METHOD AND DEVICE FOR THE CONTROL OF THE WELDING PROCESSES BY ANALYSIS OF THE BRIGHTNESS GENERATED DURING THE PROCESS
US4789770A (en) * 1987-07-15 1988-12-06 Westinghouse Electric Corp. Controlled depth laser drilling system
DE8710866U1 (en) * 1987-08-08 1988-12-08 Robert Bosch Gmbh, 7000 Stuttgart, De
DE3733489A1 (en) * 1987-10-03 1989-04-20 Telemit Electronic Gmbh METHOD AND DEVICE FOR PROCESSING MATERIALS WITH THE AID OF A LASER
JP2807461B2 (en) * 1988-01-08 1998-10-08 ファナック 株式会社 Three-dimensional shape processing laser device
JP2798218B2 (en) * 1990-01-08 1998-09-17 三菱重工業株式会社 Laser welding monitoring equipment
US5059761A (en) * 1990-12-21 1991-10-22 General Electric Company Inductive depth sensing and controlling method and system for laser drilling
US5164565A (en) * 1991-04-18 1992-11-17 Photon Dynamics, Inc. Laser-based system for material deposition and removal

Also Published As

Publication number Publication date
ATE116181T1 (en) 1995-01-15
WO1990010520A1 (en) 1990-09-20
CA2028844C (en) 1995-04-25
JPH03504214A (en) 1991-09-19
DE3908187A1 (en) 1990-09-20
EP0414869B1 (en) 1994-12-28
DE59008117D1 (en) 1995-02-09
EP0414869A1 (en) 1991-03-06
US5272312A (en) 1993-12-21

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