SE9002587L - Saett och anordning foer akustisk genombrottsdetektering - Google Patents

Saett och anordning foer akustisk genombrottsdetektering

Info

Publication number
SE9002587L
SE9002587L SE9002587A SE9002587A SE9002587L SE 9002587 L SE9002587 L SE 9002587L SE 9002587 A SE9002587 A SE 9002587A SE 9002587 A SE9002587 A SE 9002587A SE 9002587 L SE9002587 L SE 9002587L
Authority
SE
Sweden
Prior art keywords
workpiece
change
vibrations
laser
acoustic
Prior art date
Application number
SE9002587A
Other languages
Unknown language ( )
English (en)
Other versions
SE9002587D0 (sv
Inventor
J L Schneiter
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of SE9002587D0 publication Critical patent/SE9002587D0/sv
Publication of SE9002587L publication Critical patent/SE9002587L/sv

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
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B23K26/382—Removing material by boring or cutting by boring
    • 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
    • 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
    • B23K26/36—Removing material
    • B23K26/40—Removing material taking account of the properties of the material involved
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/10—Aluminium or alloys thereof
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B23K2103/42—Plastics
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Drilling And Boring (AREA)
SE9002587A 1989-08-11 1990-08-07 Saett och anordning foer akustisk genombrottsdetektering SE9002587L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/392,494 US4960970A (en) 1989-08-11 1989-08-11 Method and apparatus for acoustic breakthrough detection

Publications (2)

Publication Number Publication Date
SE9002587D0 SE9002587D0 (sv) 1990-08-07
SE9002587L true SE9002587L (sv) 1991-02-12

Family

ID=23550820

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9002587A SE9002587L (sv) 1989-08-11 1990-08-07 Saett och anordning foer akustisk genombrottsdetektering

Country Status (9)

Country Link
US (1) US4960970A (sv)
JP (1) JPH03106581A (sv)
AU (1) AU622379B2 (sv)
DE (1) DE4024519A1 (sv)
FR (1) FR2650772A1 (sv)
GB (1) GB2234698A (sv)
IL (1) IL95179A0 (sv)
IT (1) IT1242516B (sv)
SE (1) SE9002587L (sv)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045669A (en) * 1990-03-02 1991-09-03 General Electric Company Method and apparatus for optically/acoustically monitoring laser materials processing
US5026979A (en) * 1990-03-05 1991-06-25 General Electric Company Method and apparatus for optically monitoring laser materials processing
DE4028179C2 (de) * 1990-09-05 1996-10-02 Siemens Ag Verfahren zur Überwachung der Lage und des Durchmessers von Laserstrahlen
DE4106007A1 (de) * 1991-02-26 1992-09-03 Fraunhofer Ges Forschung Verfahren und vorrichtung zum bearbeiten von werkstuecken mit laserstrahlung
DE4114492C2 (de) * 1991-05-03 1996-10-24 Baasel Carl Lasertech Verfahren und Vorrichtung zur Materialbearbeitung mit Hilfe eines Lasers
US5286947A (en) * 1992-09-08 1994-02-15 General Electric Company Apparatus and method for monitoring material removal from a workpiece
US6339208B1 (en) * 2000-01-19 2002-01-15 General Electric Company Method of forming cooling holes
DE10247705A1 (de) * 2002-10-12 2004-04-22 Volkswagen Ag Verfahren und Einrichtung zur gesteuerten Bearbeitung von Werkstücken mittels Laserabtragung
JP2005103587A (ja) * 2003-09-30 2005-04-21 Disco Abrasive Syst Ltd レーザー加工装置
US7671297B2 (en) * 2003-11-20 2010-03-02 Ethicon, Inc. Method and apparatus for laser drilling workpieces
WO2006063609A1 (en) * 2004-12-13 2006-06-22 Perfo Tec Bv Device for perforating a flexible film
DE102005027363A1 (de) * 2005-06-14 2006-12-21 Robert Bosch Gmbh Vorrichtung und Verfahren zur Überwachung eines Fertigungsverfahrens zur Herstellung einer Durchgangsbohrung
CA2580102A1 (en) * 2006-03-06 2007-09-06 General Electric Company System and method for monitoring drilling process parameters and controlling drilling operation
US9802271B2 (en) * 2011-05-13 2017-10-31 Precitec Gmbh & Co. Kg Laser material processing system
DE102013110266A1 (de) * 2013-09-18 2015-04-16 Hegwein GmbH Vorrichtung und Verfahren zur Überwachung eines Plasmabrenners
US9676058B2 (en) 2014-01-27 2017-06-13 General Electric Company Method and system for detecting drilling progress in laser drilling
DE102014017780A1 (de) * 2014-06-07 2015-12-17 Explotech Gmbh Verfahren zur frequenzspezifischen Überwachung der Laserbearbeitung eines Werkstückes mit gepulster Strahlung und Vorrichtung zu seiner Durchführung
CN109993034B (zh) * 2017-12-29 2021-06-01 大族激光科技产业集团股份有限公司 一种激光穿孔检测判断方法
US11351630B2 (en) * 2019-01-21 2022-06-07 Mitsubishi Electric Corporation Processing state detecting device, laser processing machine, and machine learning device
US11433604B2 (en) * 2019-08-02 2022-09-06 Layerwise Nv Three-dimensional printing system with laser convergence calibration based upon acoustic analysis
CN112276385B (zh) * 2020-12-25 2021-03-19 西安中科微精光子制造科技有限公司 一种利用激光束在喷油嘴中加工喷孔的方法及系统
CN115932044B (zh) * 2022-12-22 2024-02-20 江苏先进光源技术研究院有限公司 一种激光加工过程中工件缺陷实时检测方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700850A (en) * 1970-09-04 1972-10-24 Western Electric Co Method for detecting the amount of material removed by a laser
US4007631A (en) * 1975-08-18 1977-02-15 Western Electric Company, Inc. Method and apparatus for evaluating welds using stress-wave emission techniques
US3986391A (en) * 1975-09-22 1976-10-19 Western Electric Company, Inc. Method and apparatus for the real-time monitoring of a continuous weld using stress-wave emission techniques
US4316467A (en) * 1980-06-23 1982-02-23 Lorenzo P. Maun Control for laser hemangioma treatment system
US4419562A (en) * 1982-01-19 1983-12-06 Western Electric Co., Inc. Nondestructive real-time method for monitoring the quality of a weld
JPS5961586A (ja) * 1982-09-28 1984-04-07 Mitsubishi Electric Corp エネルギビ−ム加工検査方法
US4676586A (en) * 1982-12-20 1987-06-30 General Electric Company Apparatus and method for performing laser material processing through a fiber optic
US4504727A (en) * 1982-12-30 1985-03-12 International Business Machines Corporation Laser drilling system utilizing photoacoustic feedback
FR2547519B1 (fr) * 1983-06-15 1987-07-03 Snecma Procede et dispositif de percage par laser
DE3405972A1 (de) * 1984-02-18 1985-08-22 General Electric Co., Schenectady, N.Y. Laser-bearbeitung durch einen lichtwellenleiter
US4681396A (en) * 1984-10-09 1987-07-21 General Electric Company High power laser energy delivery system
US4838631A (en) * 1986-12-22 1989-06-13 General Electric Company Laser beam directing system
US4739162A (en) * 1987-02-04 1988-04-19 General Electric Company Laser beam injecting system
EP0285785A1 (de) * 1987-03-26 1988-10-12 Siemens Aktiengesellschaft Verfahren zum Erfassen einer von einem Laser auf ein Werkstück abgegebenen Leistung
JPS6448688A (en) * 1987-08-18 1989-02-23 Shikoku Elec Power Working conditions detecting device for laser beam machining
DE3824048A1 (de) * 1988-07-15 1990-05-03 Fraunhofer Ges Forschung Verfahren und vorrichtung zum bearbeiten von werkstuecken mit laserstrahlung

Also Published As

Publication number Publication date
IT1242516B (it) 1994-05-16
IL95179A0 (en) 1991-06-10
GB9017468D0 (en) 1990-09-26
JPH03106581A (ja) 1991-05-07
IT9021256A1 (it) 1992-02-09
AU5863790A (en) 1991-02-14
FR2650772A1 (fr) 1991-02-15
US4960970A (en) 1990-10-02
SE9002587D0 (sv) 1990-08-07
GB2234698A (en) 1991-02-13
DE4024519A1 (de) 1991-02-14
AU622379B2 (en) 1992-04-02
IT9021256A0 (it) 1990-08-09

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