EP2473314A1 - Verfahren zur klassifizierung eines laservorgangs und lasermaterialverarbeitungskopf damit - Google Patents

Verfahren zur klassifizierung eines laservorgangs und lasermaterialverarbeitungskopf damit

Info

Publication number
EP2473314A1
EP2473314A1 EP10759806A EP10759806A EP2473314A1 EP 2473314 A1 EP2473314 A1 EP 2473314A1 EP 10759806 A EP10759806 A EP 10759806A EP 10759806 A EP10759806 A EP 10759806A EP 2473314 A1 EP2473314 A1 EP 2473314A1
Authority
EP
European Patent Office
Prior art keywords
laser
acoustic
workpiece
frequency features
classifying
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Withdrawn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
EP10759806A
Other languages
English (en)
French (fr)
Inventor
STORK lngo genannt Wersborg
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 ITM & Co KG GmbH
Precitec GmbH and Co KG
Original Assignee
PRECITEC ITM GmbH
Precitec 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 ITM GmbH, Precitec KG filed Critical PRECITEC ITM GmbH
Priority to EP10759806A priority Critical patent/EP2473314A1/de
Publication of EP2473314A1 publication Critical patent/EP2473314A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • 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
    • 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
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
    • B23K31/125—Weld quality monitoring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/267—Welds

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Acoustics & Sound (AREA)
  • Laser Beam Processing (AREA)
EP10759806A 2009-09-04 2010-09-03 Verfahren zur klassifizierung eines laservorgangs und lasermaterialverarbeitungskopf damit Withdrawn EP2473314A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10759806A EP2473314A1 (de) 2009-09-04 2010-09-03 Verfahren zur klassifizierung eines laservorgangs und lasermaterialverarbeitungskopf damit

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09011375 2009-09-04
EP10759806A EP2473314A1 (de) 2009-09-04 2010-09-03 Verfahren zur klassifizierung eines laservorgangs und lasermaterialverarbeitungskopf damit
PCT/EP2010/005434 WO2011026638A1 (en) 2009-09-04 2010-09-03 Method for classifying a laser process and a laser material processing head using the same

Publications (1)

Publication Number Publication Date
EP2473314A1 true EP2473314A1 (de) 2012-07-11

Family

ID=43446726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10759806A Withdrawn EP2473314A1 (de) 2009-09-04 2010-09-03 Verfahren zur klassifizierung eines laservorgangs und lasermaterialverarbeitungskopf damit

Country Status (2)

Country Link
EP (1) EP2473314A1 (de)
WO (1) WO2011026638A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2624091B1 (de) * 2012-02-06 2014-07-30 C.R.F. Società Consortile per Azioni Verfahren zur Überwachung der Qualität von industriellen Verfahren und System dafür
SE541498C2 (en) 2017-11-27 2019-10-22 Acosense Ab Method and system for determining process properties using active acoustic spectroscopy
CN110653223B (zh) * 2019-09-26 2021-10-29 厦门理工学院 一种激光清洗监测装置及其监测方法和激光清洗机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5867118A (en) * 1995-06-07 1999-02-02 Lockheed Martin Corporation Apparatus for and method of classifying patterns
CN1496479A (zh) * 2001-03-08 2004-05-12 ŵ��ø�ɷ����޹�˾ 用声发射法分析颗粒组合物的方法
US20070105184A1 (en) * 2005-08-31 2007-05-10 Elias Greenbaum Biosensor method and system based on feature vector extraction
US20080004527A1 (en) * 2006-04-05 2008-01-03 Coleman D Jackson High-resolution ultrasound spectral and wavelet analysis of vascular tissue
WO2009017483A1 (en) * 2007-08-01 2009-02-05 The Trustees Of The University Of Penssylvania Malignancy diagnosis using content-based image retreival of tissue histopathology

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419562A (en) * 1982-01-19 1983-12-06 Western Electric Co., Inc. Nondestructive real-time method for monitoring the quality of a weld
US4633057A (en) * 1985-08-22 1986-12-30 Avco Corporation Laser welder fault detector
DE3913786C2 (de) * 1989-04-26 1994-12-22 Siemens Ag Vorrichtung zur berührungslosen Schallemissionsmessung
GB9321866D0 (en) * 1993-10-22 1993-12-15 Kinsman Grant Fuzzy logic control of laser welding
US6629464B2 (en) * 2001-10-03 2003-10-07 Ui Won Suh Laser shock peening quality assurance by acoustic analysis
US6670574B1 (en) * 2002-07-31 2003-12-30 Unitek Miyachi Corporation Laser weld monitor
US7816622B2 (en) * 2007-09-28 2010-10-19 General Electric Company System and method for controlling laser shock peening

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5867118A (en) * 1995-06-07 1999-02-02 Lockheed Martin Corporation Apparatus for and method of classifying patterns
CN1496479A (zh) * 2001-03-08 2004-05-12 ŵ��ø�ɷ����޹�˾ 用声发射法分析颗粒组合物的方法
US20070105184A1 (en) * 2005-08-31 2007-05-10 Elias Greenbaum Biosensor method and system based on feature vector extraction
US20080004527A1 (en) * 2006-04-05 2008-01-03 Coleman D Jackson High-resolution ultrasound spectral and wavelet analysis of vascular tissue
WO2009017483A1 (en) * 2007-08-01 2009-02-05 The Trustees Of The University Of Penssylvania Malignancy diagnosis using content-based image retreival of tissue histopathology

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011026638A1 *
WERSBORG I S G ET AL: "A cognitive approach for a robotic welding system that can learn how to weld from acoustic data", COMPUTATIONAL INTELLIGENCE IN ROBOTICS AND AUTOMATION (CIRA), 2009 IEEE INTERNATIONAL SYMPOSIUM ON, IEEE, PISCATAWAY, NJ, USA, 15 December 2009 (2009-12-15), pages 108 - 113, XP031643852, ISBN: 978-1-4244-4808-1 *

Also Published As

Publication number Publication date
WO2011026638A1 (en) 2011-03-10

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