JP2005230913A - レーザ溶接継目を検査するための方法 - Google Patents
レーザ溶接継目を検査するための方法 Download PDFInfo
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- JP2005230913A JP2005230913A JP2005001118A JP2005001118A JP2005230913A JP 2005230913 A JP2005230913 A JP 2005230913A JP 2005001118 A JP2005001118 A JP 2005001118A JP 2005001118 A JP2005001118 A JP 2005001118A JP 2005230913 A JP2005230913 A JP 2005230913A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000003466 welding Methods 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 11
- 230000007547 defect Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30152—Solder
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Plasma & Fusion (AREA)
- Quality & Reliability (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Theoretical Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Laser Beam Processing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
【解決手段】レーザビーム溶接によって1つ以上の加工品に導入される継目を検査する方法において、特性信号が、この継目の領域からセンサを用いて検出され、指標値または設定値と比較され、レーザビーム溶接に続く特定の時間間隔で検出される信号のみが、考慮され、この特定の時間間隔が、継目の凝固の直後に始まる方法によって解決される。
【選択図】なし
Description
種々の物理現象、特に境界表面エネルギーの最小化、それに対流と拡散は、溶融液相にその外面の形状と内部構造と共に、凝固中の継目に品質の変化を引き起こす。
Claims (6)
- レーザ溶接継目を検査する方法であって、特性信号が、該継目の領域からセンサを用いて検出され、所望値と比較される方法において、
特定の時間間隔で検出される信号のみが、考慮され、該特定の時間間隔は、前記継目の凝固の直後に始まることを特徴とする方法。 - 前記特定の時間間隔は、加工品の材料特性と、レーザビームの加工パラメータとに依存して、規定されることを特徴とする請求項1に記載の方法。
- 光学的及び/又は熱的形態の前記検出された信号は、前記継目の領域から外に放出又は反射されることを特徴とする請求項1あるいは2に記載の方法。
- 前記信号は、CCDカメラ又はCMOSカメラを用いて、検出されることを特徴とする請求項1〜3のいずれか一項に記載の方法。
- 少なくとも前記特定の時間間隔中に、光学的及び/又は熱的形態の測定用ビームが、前記継目の領域への方向に向かって放出されることを特徴とする請求項1〜4のいずれか一項に記載の方法。
- 前記測定用ビームは、前記溶接レーザによって生成され、適切なビーム偏向機構、好ましくは、スキャナー装置を介して、前記継目への方向に導かれることを特徴とする請求項5に記載の方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004001169 | 2004-01-07 | ||
DE102004001169.9 | 2004-01-07 | ||
DE102004016669A DE102004016669B3 (de) | 2004-01-07 | 2004-04-05 | Verfahren zur Prüfung einer Laserschweissnaht |
DE102004016669.2 | 2004-04-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005230913A true JP2005230913A (ja) | 2005-09-02 |
JP5188007B2 JP5188007B2 (ja) | 2013-04-24 |
Family
ID=34796602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005001118A Expired - Fee Related JP5188007B2 (ja) | 2004-01-07 | 2005-01-06 | レーザ溶接継目を検査するための方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7620233B2 (ja) |
JP (1) | JP5188007B2 (ja) |
DE (1) | DE102004016669B3 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011081668A1 (de) | 2010-08-30 | 2012-03-22 | Suzuki Motor Corporation | Vorrichtung und Verfahren zur Bestimmung der Form des Endes einer Schweißnaht |
JP2014195814A (ja) * | 2013-03-29 | 2014-10-16 | トヨタ自動車株式会社 | 溶接部の検査装置とその検査方法 |
JP2023526289A (ja) * | 2020-05-15 | 2023-06-21 | トルンプフ レーザー- ウント ジュステームテヒニク ゲゼルシャフト ミット ベシュレンクテル ハフツング | 銅を含有する曲がったバー型導体のレーザー溶接の間に付着面積を監視する方法 |
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DE102004016669B3 (de) * | 2004-01-07 | 2005-10-13 | Daimlerchrysler Ag | Verfahren zur Prüfung einer Laserschweissnaht |
PL1767308T3 (pl) * | 2005-09-22 | 2008-08-29 | Fiat Ricerche | Sposób kontrolowania jakości procesów spawania laserowego, system kontrolowania i odpowiedni produkt programu komputerowego |
ATE515359T1 (de) * | 2006-04-28 | 2011-07-15 | Trumpf Werkzeugmaschinen Gmbh | Laserbearbeitungsverfahren |
DE102007020695A1 (de) * | 2007-05-03 | 2008-11-06 | Iwk Verpackungstechnik Gmbh | Verfahren und Vorrichtung zur Überprüfung einer Schweißnaht einer Tube |
DE102007024789B3 (de) * | 2007-05-26 | 2008-10-23 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Verfahren zum Erkennen von Fehlern an einer Schweißnaht während eines Laser-Schweißprozesses |
DE102008016019A1 (de) * | 2008-03-25 | 2009-10-01 | Jenoptik Automatisierungstechnik Gmbh | Verfahren zur Qualitätsprüfung einer Schweißnaht von im Überlappstoß geschweißten Kunststoffbauteilen |
US9318026B2 (en) | 2008-08-21 | 2016-04-19 | Lincoln Global, Inc. | Systems and methods providing an enhanced user experience in a real-time simulated virtual reality welding environment |
US8851896B2 (en) | 2008-08-21 | 2014-10-07 | Lincoln Global, Inc. | Virtual reality GTAW and pipe welding simulator and setup |
US9483959B2 (en) | 2008-08-21 | 2016-11-01 | Lincoln Global, Inc. | Welding simulator |
US9196169B2 (en) | 2008-08-21 | 2015-11-24 | Lincoln Global, Inc. | Importing and analyzing external data using a virtual reality welding system |
US9280913B2 (en) | 2009-07-10 | 2016-03-08 | Lincoln Global, Inc. | Systems and methods providing enhanced education and training in a virtual reality environment |
DE102009052529B4 (de) | 2008-11-13 | 2023-10-05 | Mercedes-Benz Group AG | Verfahren zur Qualitätsüberwachung einer Verbindungsnaht sowie Vorrichtung zum Laserschweißen oder Laserlöten |
DE102008062866B4 (de) | 2008-11-13 | 2012-03-08 | Daimler Ag | Verfahren zur Qualitätsüberwachung einer Verbindungsnaht sowie Vorrichtung zum Laserschweißen oder Laserlöten |
US8274013B2 (en) | 2009-03-09 | 2012-09-25 | Lincoln Global, Inc. | System for tracking and analyzing welding activity |
US9773429B2 (en) | 2009-07-08 | 2017-09-26 | Lincoln Global, Inc. | System and method for manual welder training |
US9011154B2 (en) | 2009-07-10 | 2015-04-21 | Lincoln Global, Inc. | Virtual welding system |
CN104220208B (zh) * | 2012-04-17 | 2017-03-15 | 皇家飞利浦有限公司 | 照明装置 |
US20160093233A1 (en) | 2012-07-06 | 2016-03-31 | Lincoln Global, Inc. | System for characterizing manual welding operations on pipe and other curved structures |
US9767712B2 (en) | 2012-07-10 | 2017-09-19 | Lincoln Global, Inc. | Virtual reality pipe welding simulator and setup |
DE102013001210B4 (de) | 2013-01-24 | 2024-06-06 | Mercedes-Benz Group AG | Verfahren zum Verbinden von zwei oder mehr Bauteilen |
US10930174B2 (en) | 2013-05-24 | 2021-02-23 | Lincoln Global, Inc. | Systems and methods providing a computerized eyewear device to aid in welding |
CN104209667B (zh) * | 2013-06-04 | 2017-06-27 | 广东工业大学 | 超微间隙对接焊缝磁旋光成像自动检测和跟踪方法 |
US20150072323A1 (en) | 2013-09-11 | 2015-03-12 | Lincoln Global, Inc. | Learning management system for a real-time simulated virtual reality welding training environment |
US10083627B2 (en) | 2013-11-05 | 2018-09-25 | Lincoln Global, Inc. | Virtual reality and real welding training system and method |
CN103698393A (zh) * | 2013-12-03 | 2014-04-02 | 广东工业大学 | 焊接缺陷磁光成像无损检测方法 |
US9836987B2 (en) | 2014-02-14 | 2017-12-05 | Lincoln Global, Inc. | Virtual reality pipe welding simulator and setup |
JP6687543B2 (ja) | 2014-06-02 | 2020-04-22 | リンカーン グローバル,インコーポレイテッド | 手溶接訓練のためのシステム及び方法 |
WO2016051807A1 (ja) * | 2014-10-02 | 2016-04-07 | 日本特殊陶業株式会社 | 判定方法、レーザ装置、及びセンサの製造方法 |
CN104636760B (zh) * | 2015-03-11 | 2017-09-05 | 西安科技大学 | 一种焊缝的定位方法 |
EP3319066A1 (en) | 2016-11-04 | 2018-05-09 | Lincoln Global, Inc. | Magnetic frequency selection for electromagnetic position tracking |
US10913125B2 (en) | 2016-11-07 | 2021-02-09 | Lincoln Global, Inc. | Welding system providing visual and audio cues to a welding helmet with a display |
US10878591B2 (en) | 2016-11-07 | 2020-12-29 | Lincoln Global, Inc. | Welding trainer utilizing a head up display to display simulated and real-world objects |
US10997872B2 (en) | 2017-06-01 | 2021-05-04 | Lincoln Global, Inc. | Spring-loaded tip assembly to support simulated shielded metal arc welding |
DE102017215513A1 (de) * | 2017-09-05 | 2019-03-07 | Bayerische Motoren Werke Aktiengesellschaft | Laserschweißverbindung und Schweißbaugruppe |
CN108320280B (zh) * | 2018-01-16 | 2022-03-15 | 南京理工大学 | 基于视觉清晰度与轮廓提取的熔池图像异常检测方法 |
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2005
- 2005-01-06 JP JP2005001118A patent/JP5188007B2/ja not_active Expired - Fee Related
- 2005-01-07 US US11/031,858 patent/US7620233B2/en not_active Expired - Fee Related
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011081668A1 (de) | 2010-08-30 | 2012-03-22 | Suzuki Motor Corporation | Vorrichtung und Verfahren zur Bestimmung der Form des Endes einer Schweißnaht |
DE102011081668B4 (de) * | 2010-08-30 | 2013-06-06 | Suzuki Motor Corporation | Vorrichtung und Verfahren zur Bestimmung der Form des Endes einer Schweißnaht |
US8946595B2 (en) | 2010-08-30 | 2015-02-03 | Suzuki Motor Corporation | Apparatus and method for determining shape of end of welding bead |
JP2014195814A (ja) * | 2013-03-29 | 2014-10-16 | トヨタ自動車株式会社 | 溶接部の検査装置とその検査方法 |
US9452496B2 (en) | 2013-03-29 | 2016-09-27 | Toyota Jidosha Kabushiki Kaisha | Welding portion inspection device and inspection method therefor |
JP2023526289A (ja) * | 2020-05-15 | 2023-06-21 | トルンプフ レーザー- ウント ジュステームテヒニク ゲゼルシャフト ミット ベシュレンクテル ハフツング | 銅を含有する曲がったバー型導体のレーザー溶接の間に付着面積を監視する方法 |
JP7420975B2 (ja) | 2020-05-15 | 2024-01-23 | トルンプフ レーザー- ウント ジュステームテヒニク ゲゼルシャフト ミット ベシュレンクテル ハフツング | 銅を含有する曲がったバー型導体のレーザー溶接の間に付着面積を監視する方法 |
Also Published As
Publication number | Publication date |
---|---|
US7620233B2 (en) | 2009-11-17 |
DE102004016669B3 (de) | 2005-10-13 |
US20050163364A1 (en) | 2005-07-28 |
JP5188007B2 (ja) | 2013-04-24 |
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