GB9609287D0 - Method and apparatus for focus position control in laser beam processing - Google Patents

Method and apparatus for focus position control in laser beam processing

Info

Publication number
GB9609287D0
GB9609287D0 GBGB9609287.9A GB9609287A GB9609287D0 GB 9609287 D0 GB9609287 D0 GB 9609287D0 GB 9609287 A GB9609287 A GB 9609287A GB 9609287 D0 GB9609287 D0 GB 9609287D0
Authority
GB
United Kingdom
Prior art keywords
laser beam
position control
focus position
beam processing
processing
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Withdrawn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
GBGB9609287.9A
Other versions
GB2300534A (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.)
BLZ GmbH
Original Assignee
BLZ GmbH
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 BLZ GmbH filed Critical BLZ GmbH
Publication of GB9609287D0 publication Critical patent/GB9609287D0/en
Publication of GB2300534A publication Critical patent/GB2300534A/en
Withdrawn legal-status Critical Current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
    • 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
    • B23K26/046—Automatically focusing the laser beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
GB9609287A 1995-05-04 1996-05-03 Automatic focussing of industrial laser beam Withdrawn GB2300534A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19516376A DE19516376C2 (en) 1995-05-04 1995-05-04 Method and device for checking and regulating the focal spot position during laser material processing

Publications (2)

Publication Number Publication Date
GB9609287D0 true GB9609287D0 (en) 1996-07-10
GB2300534A GB2300534A (en) 1996-11-06

Family

ID=7761074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9609287A Withdrawn GB2300534A (en) 1995-05-04 1996-05-03 Automatic focussing of industrial laser beam

Country Status (5)

Country Link
CA (1) CA2175730A1 (en)
DE (1) DE19516376C2 (en)
FR (1) FR2733707B1 (en)
GB (1) GB2300534A (en)
IT (1) IT1285083B1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9701710L (en) * 1997-05-07 1998-09-14 Inst Verkstadstek Forsk Ivf Device for detecting and calculating the focus position, shape and power distribution of a laser beam
JP2910763B1 (en) * 1998-06-03 1999-06-23 スズキ株式会社 Welding laser focal position detector
DE19927803A1 (en) * 1999-06-11 2000-12-28 Matthias Negendanck Device for checking the focus position during laser beam welding
DE10305876B4 (en) * 2003-02-13 2012-04-19 Robert Bosch Gmbh Laser ablation process and apparatus for carrying out the process
DE102005039094B4 (en) * 2005-08-08 2009-03-19 Carl Zeiss Industrielle Messtechnik Gmbh Method and device for guiding a machine part along a defined trajectory over a workpiece surface
DE102007036556A1 (en) * 2007-08-03 2009-02-05 Siemens Ag Method for monitoring the focus position in laser beam machining processes
WO2011009594A1 (en) 2009-07-20 2011-01-27 Precitec Kg Laser machining head and method of compensating for the change in focal position of a laser machining head
CZ303797B6 (en) * 2011-07-04 2013-05-09 Ústav prístrojové techniky Akademie ved CR, v.v.i. Apparatus for laser beam welding and method for controlling quality of weld
DE102012001609B3 (en) 2012-01-26 2013-02-21 Precitec Kg Laser processing head
DE102014117157B4 (en) * 2014-11-24 2017-02-16 Scansonic Mi Gmbh Method and device for joining workpieces to a lap joint
CN105081562B (en) * 2015-08-27 2017-03-22 武汉奥森迪科智能电控科技有限公司 Totally-digital laser focusing automatic tracking system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1111865A (en) * 1965-08-28 1968-05-01 Ferranti Ltd Improvements relating to beamed energy control systems
FR2323160A1 (en) * 1975-09-03 1977-04-01 Thomson Brandt OPTICAL PROJECTION DEVICE AND OPTICAL READER INCLUDING SUCH A DEVICE
DE3635840A1 (en) * 1986-10-22 1988-05-05 Thomson Brandt Gmbh SCANNING SCANNING SYSTEM
EP0266764A3 (en) * 1986-11-07 1990-05-16 Fried. Krupp Gesellschaft mit beschränkter Haftung Seam-following method and means for a power laser beam
DE3908187A1 (en) * 1989-03-14 1990-09-20 Jurca Marius Christian METHOD FOR QUALITY ASSURANCE IN LASER BEAM WELDING AND CUTTING
DE4005453A1 (en) * 1990-02-21 1991-08-22 Hannover Laser Zentrum Stand-off distance measuring equipment - including measuring laser, used on material processing laser
DE4100007C1 (en) * 1991-01-02 1992-05-14 Philipp 8059 Finsing De Waldinger Salt scattering machine, for dough baking - comprises feeding-, moistening- and coating-stations, coating material containers, and drive gears, for sesame seed compact storage
DE4106007A1 (en) * 1991-02-26 1992-09-03 Fraunhofer Ges Forschung METHOD AND DEVICE FOR MACHINING WORKPIECES WITH LASER RADIATION
EP0554523B1 (en) * 1992-02-03 1997-04-16 Matsushita Electric Industrial Co., Ltd. Laser beam machining apparatus and method for adjusting the height of its condenser lens
DE4217705C2 (en) * 1992-06-01 1995-04-20 Diehl Gmbh & Co Equipment for material processing

Also Published As

Publication number Publication date
GB2300534A (en) 1996-11-06
ITTO960359A1 (en) 1997-11-03
FR2733707B1 (en) 1998-02-20
CA2175730A1 (en) 1996-11-05
DE19516376C2 (en) 1998-12-03
IT1285083B1 (en) 1998-06-03
FR2733707A1 (en) 1996-11-08
DE19516376A1 (en) 1996-11-14
ITTO960359A0 (en) 1996-05-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)