WO2018007344A3 - Device for introducing a lens system into the beam path of a laser machining head, and laser machining head comprising same - Google Patents

Device for introducing a lens system into the beam path of a laser machining head, and laser machining head comprising same Download PDF

Info

Publication number
WO2018007344A3
WO2018007344A3 PCT/EP2017/066553 EP2017066553W WO2018007344A3 WO 2018007344 A3 WO2018007344 A3 WO 2018007344A3 EP 2017066553 W EP2017066553 W EP 2017066553W WO 2018007344 A3 WO2018007344 A3 WO 2018007344A3
Authority
WO
WIPO (PCT)
Prior art keywords
machining head
laser machining
lens system
introducing
same
Prior art date
Application number
PCT/EP2017/066553
Other languages
German (de)
French (fr)
Other versions
WO2018007344A2 (en
Inventor
Andreas Rudolf
Georg Spörl
Fabian Becker
Original Assignee
Precitec Gmbh & Co. Kg
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 Precitec Gmbh & Co. Kg filed Critical Precitec Gmbh & Co. Kg
Priority to CN201780048686.3A priority Critical patent/CN109562488B/en
Priority to EP17737530.0A priority patent/EP3478443A2/en
Publication of WO2018007344A2 publication Critical patent/WO2018007344A2/en
Publication of WO2018007344A3 publication Critical patent/WO2018007344A3/en

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
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
    • 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
    • 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
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/003—Alignment of optical elements
    • G02B7/005—Motorised alignment
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention relates to a device for selectively introducing a lens system (10) into a laser beam of a laser machining head, said device comprising: a lens system (10) and a movement unit (20) for moving the lens system (10); the movement unit (20) includes a driving element (210) and at least one coupling element (220) that couples the lens system (10) to the driving element (210).
PCT/EP2017/066553 2016-07-04 2017-07-04 Device for introducing a lens system into the beam path of a laser machining head, and laser machining head comprising same WO2018007344A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780048686.3A CN109562488B (en) 2016-07-04 2017-07-04 Laser machining head for machining materials by means of a laser beam
EP17737530.0A EP3478443A2 (en) 2016-07-04 2017-07-04 Device for introducing a lens system into the beam path of a laser machining head, and laser machining head comprising same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016112176.2A DE102016112176B4 (en) 2016-07-04 2016-07-04 Device for the selective introduction of optics into a laser beam of a laser processing head and laser processing head with the same
DE102016112176.2 2016-07-04

Publications (2)

Publication Number Publication Date
WO2018007344A2 WO2018007344A2 (en) 2018-01-11
WO2018007344A3 true WO2018007344A3 (en) 2018-03-01

Family

ID=59313225

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/066553 WO2018007344A2 (en) 2016-07-04 2017-07-04 Device for introducing a lens system into the beam path of a laser machining head, and laser machining head comprising same

Country Status (4)

Country Link
EP (1) EP3478443A2 (en)
CN (1) CN109562488B (en)
DE (1) DE102016112176B4 (en)
WO (1) WO2018007344A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108500460A (en) * 2018-06-28 2018-09-07 苏州天弘激光股份有限公司 Limited power wide cut laser welding head and laser-beam welding machine
CN109048051B (en) * 2018-08-27 2020-06-26 江苏大学 Three-dimensional adjustable laser beam expanding and focusing device
DE102018131889B4 (en) * 2018-09-27 2021-08-12 Scansonic Mi Gmbh Laser beam adjustment device
DE102019112167A1 (en) * 2019-05-09 2020-11-12 Trumpf Laser Gmbh Processing head for guiding a laser beam and a laser processing device with a processing head
TWI794589B (en) * 2020-02-21 2023-03-01 海納光電股份有限公司 Device and method for processing hard and brittle plates in high temperature environment
DE102021113267A1 (en) 2021-05-21 2022-11-24 Precitec Gmbh & Co. Kg Laser processing head and method for manufacturing a laser processing head
CN113977072B (en) * 2021-11-30 2022-10-18 广东宏石激光技术股份有限公司 Variable-spot diffraction element-based zoom laser processing system and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62151288A (en) * 1985-12-25 1987-07-06 Nec Corp Automatic focusing device for laser beam machine
US4906082A (en) * 1987-12-14 1990-03-06 Meyer Gold Lens apparatus for a vehicle
EP2711121A1 (en) * 2011-05-19 2014-03-26 Murata Machinery, Ltd. Laser processing machine
CN105478997A (en) * 2014-09-15 2016-04-13 荣刚材料科技股份有限公司 Laser processing device lever focusing module

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041815A1 (en) * 1990-12-24 1992-06-25 Trumpf Lasertechnik Gmbh GAS LASER WITH AN ADJUSTING DEVICE FOR A MACHINE PART
JP2833614B2 (en) * 1994-06-30 1998-12-09 澁谷工業株式会社 Laser processing machine
JP2001347387A (en) 2000-06-09 2001-12-18 Ishikawajima Harima Heavy Ind Co Ltd Laser beam machining head
CN101077550A (en) * 2006-05-22 2007-11-28 山崎马扎克公司 Light beam mode automatic selecting device of laser machine
DE102012219074A1 (en) * 2012-10-19 2014-04-24 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Laser cutting machine and method for cutting workpieces of different thickness
DE102014200633B3 (en) 2014-01-15 2015-05-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Machining apparatus and method for laser processing a surface
DE102014101477A1 (en) 2014-02-06 2015-08-06 Precitec Gmbh & Co. Kg Laser processing head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62151288A (en) * 1985-12-25 1987-07-06 Nec Corp Automatic focusing device for laser beam machine
US4906082A (en) * 1987-12-14 1990-03-06 Meyer Gold Lens apparatus for a vehicle
EP2711121A1 (en) * 2011-05-19 2014-03-26 Murata Machinery, Ltd. Laser processing machine
CN105478997A (en) * 2014-09-15 2016-04-13 荣刚材料科技股份有限公司 Laser processing device lever focusing module

Also Published As

Publication number Publication date
DE102016112176A1 (en) 2018-01-04
CN109562488A (en) 2019-04-02
EP3478443A2 (en) 2019-05-08
WO2018007344A2 (en) 2018-01-11
CN109562488B (en) 2022-01-14
DE102016112176B4 (en) 2021-08-12

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