IT1401726B1 - Metodo per l'individuazione di difettosita' nel processo di saldatura laser continua di parti metalliche. - Google Patents

Metodo per l'individuazione di difettosita' nel processo di saldatura laser continua di parti metalliche.

Info

Publication number
IT1401726B1
IT1401726B1 ITRM2010A000461A ITRM20100461A IT1401726B1 IT 1401726 B1 IT1401726 B1 IT 1401726B1 IT RM2010A000461 A ITRM2010A000461 A IT RM2010A000461A IT RM20100461 A ITRM20100461 A IT RM20100461A IT 1401726 B1 IT1401726 B1 IT 1401726B1
Authority
IT
Italy
Prior art keywords
defectiveness
identification
laser welding
welding process
metal parts
Prior art date
Application number
ITRM2010A000461A
Other languages
English (en)
Inventor
Roberto Pini
Guido Toci
Original Assignee
Consiglio Nazionale Ricerche
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 Consiglio Nazionale Ricerche filed Critical Consiglio Nazionale Ricerche
Priority to ITRM2010A000461A priority Critical patent/IT1401726B1/it
Priority to EP11764301.5A priority patent/EP2611565B1/en
Priority to PCT/IB2011/053767 priority patent/WO2012029010A1/en
Priority to US13/819,255 priority patent/US9505086B2/en
Publication of ITRM20100461A1 publication Critical patent/ITRM20100461A1/it
Application granted granted Critical
Publication of IT1401726B1 publication Critical patent/IT1401726B1/it

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Quality & Reliability (AREA)
  • Laser Beam Processing (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
ITRM2010A000461A 2010-08-31 2010-08-31 Metodo per l'individuazione di difettosita' nel processo di saldatura laser continua di parti metalliche. IT1401726B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITRM2010A000461A IT1401726B1 (it) 2010-08-31 2010-08-31 Metodo per l'individuazione di difettosita' nel processo di saldatura laser continua di parti metalliche.
EP11764301.5A EP2611565B1 (en) 2010-08-31 2011-08-29 Method for detecting flaws in the process for the continuous laser welding of metallic portions
PCT/IB2011/053767 WO2012029010A1 (en) 2010-08-31 2011-08-29 Method for detecting flaws in the process for the continuous laser welding of metallic portions
US13/819,255 US9505086B2 (en) 2010-08-31 2011-08-29 Method for detecting flaws in the process for the continuous laser welding of metallic portions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRM2010A000461A IT1401726B1 (it) 2010-08-31 2010-08-31 Metodo per l'individuazione di difettosita' nel processo di saldatura laser continua di parti metalliche.

Publications (2)

Publication Number Publication Date
ITRM20100461A1 ITRM20100461A1 (it) 2012-03-01
IT1401726B1 true IT1401726B1 (it) 2013-08-02

Family

ID=43739607

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM2010A000461A IT1401726B1 (it) 2010-08-31 2010-08-31 Metodo per l'individuazione di difettosita' nel processo di saldatura laser continua di parti metalliche.

Country Status (4)

Country Link
US (1) US9505086B2 (it)
EP (1) EP2611565B1 (it)
IT (1) IT1401726B1 (it)
WO (1) WO2012029010A1 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130342678A1 (en) * 2012-06-26 2013-12-26 Michael D McANINCH Visual monitoring, or imaging, system and method for using same
CN103878479B (zh) * 2014-03-06 2016-02-10 上海交通大学 基于光谱分析的激光焊t型搭接接头间隙的在线检测方法
FR3074145B1 (fr) * 2017-11-28 2022-04-29 Zodiac Aerotechnics Procede de detection de la presence de cristaux de glace dans un environnement
JP6725572B2 (ja) * 2018-03-23 2020-07-22 株式会社アマダ レーザ加工機及びレーザ加工方法
EP4163045A4 (en) * 2020-06-08 2023-12-06 Panasonic Intellectual Property Management Co., Ltd. LASER WELDING DEVICE AND LASER WELDING METHOD
DE102021121112A1 (de) 2021-08-13 2023-02-16 Precitec Gmbh & Co. Kg Analysieren eines Laserbearbeitungsprozesses basierend auf einem Spektrogramm
CN114505585A (zh) * 2022-03-08 2022-05-17 北京工业大学 一种基于特征线状谱识别激光-电弧复合焊中是否熔透状态的方法
US20230321763A1 (en) * 2022-03-28 2023-10-12 Raytheon Technologies Corporation Predictive optimization and control for fusion welding of metals
CN117420121B (zh) * 2023-12-19 2024-05-14 哈尔滨工业大学 基于碰撞辐射和光谱关联的金属光谱识别方法及系统
CN117483954B (zh) * 2023-12-29 2024-03-22 深圳市恒永达科技股份有限公司 一种薄壁金属激光焊接方法、系统及介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4313287A1 (de) 1993-04-23 1994-10-27 Fraunhofer Ges Forschung Verfahren und Vorrichtung zur On-Line Kontrolle und -Regelung der Einschweißtiefe beim Laserstrahlschweißen
US5674415A (en) 1996-01-22 1997-10-07 The University Of Chicago Method and apparatus for real time weld monitoring
US6060685A (en) * 1997-10-23 2000-05-09 Trw Inc. Method for monitoring laser weld quality via plasma light intensity measurements
FR2811427B1 (fr) * 2000-07-06 2002-10-25 Aerospatiale Matra Ccr Procede de detection et d'identification de defauts dans un cordon de soudure realise par faisceau laser
JP2002079386A (ja) * 2000-09-07 2002-03-19 Nippon Steel Corp レーザ溶接における溶接欠陥の検知方法
US6670574B1 (en) * 2002-07-31 2003-12-30 Unitek Miyachi Corporation Laser weld monitor
FR2910621B1 (fr) * 2006-12-21 2009-02-06 Renault Sas Procede et dispositif de controle de la qualite d'un cordon de soudure
ATE453482T1 (de) * 2007-05-02 2010-01-15 Ternitechnologie S P A VERFAHREN ZUR UNMITTELBAREN EVALUTATION EINER SCHWEIßQUALITÄT

Also Published As

Publication number Publication date
US20140149075A1 (en) 2014-05-29
EP2611565B1 (en) 2019-11-27
WO2012029010A1 (en) 2012-03-08
ITRM20100461A1 (it) 2012-03-01
US9505086B2 (en) 2016-11-29
EP2611565A1 (en) 2013-07-10

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