JP2019076944A - レーザ溶接装置およびレーザ溶接方法 - Google Patents
レーザ溶接装置およびレーザ溶接方法 Download PDFInfo
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- JP2019076944A JP2019076944A JP2017207497A JP2017207497A JP2019076944A JP 2019076944 A JP2019076944 A JP 2019076944A JP 2017207497 A JP2017207497 A JP 2017207497A JP 2017207497 A JP2017207497 A JP 2017207497A JP 2019076944 A JP2019076944 A JP 2019076944A
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- Prior art keywords
- protective
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- laser welding
- laser
- measurement light
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- 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
-
- 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
- B23K26/0604—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams
-
- 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
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- 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
- B23K26/0652—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising prisms
-
- 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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/22—Spot welding
-
- 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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Quality & Reliability (AREA)
- General Physics & Mathematics (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
以下、図1〜図3を参照して、本発明の実施の形態1について説明する。
以下、図4および図5を参照して、本発明の実施の形態2について説明する。
1 レーザ溶接ヘッド
2 レーザ発振器
3 計測光入射部
4 光干渉計
5 ビームスプリッタ
6,9A,9B 保護光学部材
7 被溶接材
8 光ファイバ系
100 レーザ溶接装置
101 被溶接材
102 溶接部
104 キーホール
105 光干渉計
106 第1ビームスプリッタ
107 レーザ発振器
Claims (4)
- レーザ光を被溶接材の溶接部に向けて照射するレーザ出力手段と、
前記レーザ光と同軸に重ね合わされて前記溶接部に照射され、前記溶接部で反射された、前記レーザ光とは波長の異なる計測光と参照光との光路差によって生じる干渉に基づいて、前記溶接部の溶け込み深さを測定する光干渉計と、
前記被溶接材と前記レーザ出力手段との光路間に、前記計測光の光軸に垂直な面に対して傾斜して配置される保護光学部材と、
を有するレーザ溶接装置。 - 前記保護光学部材は、前記計測光の光軸に垂直な面に対して0.5度以上傾斜している、
請求項1記載のレーザ溶接装置。 - 2枚以上の前記保護光学部材を有し、
前記2枚以上の保護光学部材は、前記計測光の光軸に垂直な面に対して各々傾斜して配置され、第N番目の保護部材と第(N+1)番目の保護部材とは、互いに180度回転し対称に配置される、
請求項1記載のレーザ溶接装置。 - レーザ光と、前記レーザ光と異なる波長を有する計測光と、が同軸に重ね合わされて被溶接材の溶接部に照射される工程と、
前記溶接部で反射された前記計測光と参照光との光路差によって生じる干渉に基づいて、前記溶接部の溶け込み深さを測定する工程と、を有し、
前記レーザ光が保護光学部材を介して被溶接材に向けて照射される際、前記保護光学部材は、前記計測光の光軸垂直面に対して傾斜している状態である、
レーザ溶接方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017207497A JP6851000B2 (ja) | 2017-10-26 | 2017-10-26 | レーザ溶接装置およびレーザ溶接方法 |
US16/170,831 US20190126389A1 (en) | 2017-10-26 | 2018-10-25 | Laser-welding apparatus and laser-welding method |
CN201811247688.8A CN109702337A (zh) | 2017-10-26 | 2018-10-25 | 激光焊接装置及激光焊接方法 |
DE102018218334.1A DE102018218334A1 (de) | 2017-10-26 | 2018-10-26 | Laserschweißvorrichtung und Laserschweißverfahren |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017207497A JP6851000B2 (ja) | 2017-10-26 | 2017-10-26 | レーザ溶接装置およびレーザ溶接方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020074958A Division JP2020110845A (ja) | 2020-04-20 | 2020-04-20 | レーザ溶接装置およびレーザ溶接方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019076944A true JP2019076944A (ja) | 2019-05-23 |
JP6851000B2 JP6851000B2 (ja) | 2021-03-31 |
Family
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017207497A Active JP6851000B2 (ja) | 2017-10-26 | 2017-10-26 | レーザ溶接装置およびレーザ溶接方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20190126389A1 (ja) |
JP (1) | JP6851000B2 (ja) |
CN (1) | CN109702337A (ja) |
DE (1) | DE102018218334A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7320703B2 (ja) * | 2018-02-16 | 2023-08-04 | パナソニックIpマネジメント株式会社 | レーザ溶接装置及びレーザ溶接方法 |
WO2019198443A1 (ja) * | 2018-04-13 | 2019-10-17 | パナソニックIpマネジメント株式会社 | レーザ溶接装置 |
DE102018217526A1 (de) * | 2018-10-12 | 2020-04-16 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Verfahren zum Ermitteln einer Kenngröße eines Bearbeitungsprozesses und Bearbeitungsmaschine |
CN110744211B (zh) * | 2019-09-12 | 2021-02-19 | 中国科学院西安光学精密机械研究所 | 一种兼备加工和实时检测能力的激光孔洞加工***及方法 |
CN117871539B (zh) * | 2024-03-12 | 2024-05-17 | 光越科技(深圳)有限公司 | 基于光学相干层析成像的激光焊接质量检测***和方法 |
Family Cites Families (12)
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JPS5854252B2 (ja) | 1975-10-22 | 1983-12-03 | 日産自動車株式会社 | ジドウシヤヨウナイネンキカン ノ ハイキジヨウカソウチ |
JPS5933078B2 (ja) * | 1978-01-31 | 1984-08-13 | 株式会社東芝 | レ−ザ溶接方法およびその装置 |
JP2846150B2 (ja) * | 1991-06-06 | 1999-01-13 | 三菱重工業株式会社 | レーザ溶接モニタリング方法及びその装置 |
JP2001150163A (ja) * | 1999-12-01 | 2001-06-05 | Nippon Steel Weld Prod & Eng Co Ltd | レ−ザ出力調整装置 |
EP1477264A1 (en) * | 2003-05-16 | 2004-11-17 | Lasag Ag | Apparatus for generating a rotating laser beam |
JP5671873B2 (ja) * | 2010-08-09 | 2015-02-18 | 日産自動車株式会社 | レーザ溶接モニタリング装置 |
JP5252026B2 (ja) * | 2011-05-10 | 2013-07-31 | パナソニック株式会社 | レーザ溶接装置及びレーザ溶接方法 |
CN104379329B (zh) * | 2012-04-06 | 2018-05-18 | 3M创新有限公司 | 用于制备逆向反射制品的工具 |
JP6186215B2 (ja) * | 2013-09-04 | 2017-08-23 | 株式会社日立エルジーデータストレージ | 光計測装置及び光断層観察方法 |
CN106103015B (zh) * | 2014-03-17 | 2019-05-10 | 松下知识产权经营株式会社 | 激光加工机器人 |
US10967452B2 (en) * | 2014-10-20 | 2021-04-06 | Precitec Gmbh & Co.Kg | Device for measuring the depth of a weld seam in real time |
CN105252139B (zh) * | 2015-11-11 | 2017-11-07 | 中国科学院西安光学精密机械研究所 | 一种激光聚焦装置 |
-
2017
- 2017-10-26 JP JP2017207497A patent/JP6851000B2/ja active Active
-
2018
- 2018-10-25 US US16/170,831 patent/US20190126389A1/en not_active Abandoned
- 2018-10-25 CN CN201811247688.8A patent/CN109702337A/zh active Pending
- 2018-10-26 DE DE102018218334.1A patent/DE102018218334A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
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JP6851000B2 (ja) | 2021-03-31 |
CN109702337A (zh) | 2019-05-03 |
DE102018218334A1 (de) | 2019-05-02 |
US20190126389A1 (en) | 2019-05-02 |
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