JP6524992B2 - レーザ溶接方法およびレーザ溶接装置 - Google Patents
レーザ溶接方法およびレーザ溶接装置 Download PDFInfo
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B23K26/0613—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams having a common axis
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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
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
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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
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/042—Automatically aligning the laser beam
- B23K26/043—Automatically aligning the laser beam along the beam path, i.e. alignment of laser beam axis relative to laser beam apparatus
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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
- B23K26/06—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
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
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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
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/067—Dividing the beam into multiple beams, e.g. multifocusing
- B23K26/0676—Dividing the beam into multiple beams, e.g. multifocusing into dependently operating sub-beams, e.g. an array of spots with fixed spatial relationship or for performing simultaneously identical operations
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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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
-
- 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
-
- 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
- B23K26/24—Seam 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/60—Preliminary treatment
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
- H01M50/169—Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
- H01M50/103—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Description
図1は、2次電池10の外観を示す斜視的斜視図である。図2は、図1に示す2次電池10の平面図である。以下の実施形態では、図1および図2を参照して、本実施形態に係るレーザ溶接装置1を用いて溶接されるワークとして、2次電池10をその一例として説明する。
図3は、本発明の第1実施形態に係るレーザ溶接装置100の模式図である。まず、図3を参照して、本実施形態におけるレーザ溶接装置100の構造について説明する。なお、図3に示す破線は、制御装置(制御部)40から出力される制御信号の信号線を示しており、図3に示す一点破線は、溶接用レーザ光L1および加熱用レーザ光L2を示している。
図4は、第1実施形態に係るレーザ溶接装置100による溶接方法を説明するためのタイミングチャートである。以下に、封口板13と蓋体19とのレーザ溶接方法を説明する。まず、図2に示すように、蓋体19が、封口板13に配置されている状態で、2次電池10を、処理室R内に投入する。
図5は、第2実施形態に係るレーザ溶接装置100による溶接方法を説明するためのタイミングチャートである。第2実施形態に係るレーザ溶接装置100が、第1実施形態と相違する点は、制御装置40による第2照射部30の制御である。
図6は、第3実施形態に係るレーザ溶接装置100による溶接方法を説明するためのタイミングチャートであり、図7は、第3実施形態の変形例に係るレーザ溶接装置100による溶接方法を説明するためのタイミングチャートである。
Claims (2)
- 溶接用レーザ光を、2つのワークの境界に形成された閉ループ状の溶接経路に沿って、前記溶接経路を周回するように照射することにより、前記2つのワーク同士を溶接するレーザ溶接方法であって、
加熱用レーザ光を、前記溶接経路の全体に所定時間照射することにより、前記溶接経路の全体を予備加熱する工程と、
前記予備加熱する工程後に、前記加熱用レーザ光の照射を継続しつつ、前記溶接経路に沿って前記溶接用レーザ光を走査し、前記溶接用レーザ光が前記溶接経路を周回した後、前記溶接用レーザ光の照射を終了するものであり、
前記溶接用レーザ光の照射の終了後、継続して前記加熱用レーザ光を所定時間照射するとともに、継続して照射される前記加熱用レーザ光の出力を減少させることを特徴とするレーザ溶接方法。 - 溶接用レーザ光を、2つのワークの境界に形成された閉ループ状の溶接経路に沿って、前記溶接経路を周回するように照射することにより、前記2つのワーク同士を溶接するレーザ溶接装置であって、
前記レーザ溶接装置は、前記溶接用レーザ光を前記溶接経路に沿って照射する第1照射部と、
前記溶接経路の全体を加熱するように、前記溶接経路の全体に加熱用レーザ光を照射する第2照射部と、
前記第1照射部および前記第2照射部を制御する制御部と、を備え、
前記制御部は、前記加熱用レーザ光を、前記溶接経路の全体に所定時間照射するように前記第2照射部を制御した後に、前記加熱用レーザ光の照射を継続するように前記第2照射部を制御しつつ、前記溶接経路に沿って前記溶接用レーザ光を走査させ、前記溶接用レーザ光を前記溶接経路に沿って周回させた後に、前記溶接用レーザ光の照射を終了するように、前記第1照射部を制御するものであり、
前記制御部は、前記溶接用レーザ光の照射の終了後、継続して前記加熱用レーザ光が所定時間照射されるように、前記第2照射部を制御するとともに、継続して照射される前記加熱用レーザ光の出力が減少するように、前記第2照射部を制御することを特徴とするレーザ溶接装置。
Priority Applications (4)
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JP2016250029A JP6524992B2 (ja) | 2016-12-22 | 2016-12-22 | レーザ溶接方法およびレーザ溶接装置 |
US15/845,034 US10821544B2 (en) | 2016-12-22 | 2017-12-18 | Laser welding method and laser welding device |
CN201711363455.XA CN108232047B (zh) | 2016-12-22 | 2017-12-18 | 激光焊接方法以及激光焊接装置 |
KR1020170175050A KR102057063B1 (ko) | 2016-12-22 | 2017-12-19 | 레이저 용접 방법 및 레이저 용접 장치 |
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JP2018103202A JP2018103202A (ja) | 2018-07-05 |
JP6524992B2 true JP6524992B2 (ja) | 2019-06-05 |
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JP (1) | JP6524992B2 (ja) |
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JPS59501540A (ja) * | 1982-09-07 | 1984-08-30 | キャタピラー インコーポレーテッド | 自動溶接システム |
JPS5976689A (ja) * | 1982-10-22 | 1984-05-01 | Fujitsu Ltd | アルミニウムパツケ−ジの気密封止法 |
JP2002321074A (ja) * | 2001-04-27 | 2002-11-05 | Honda Motor Co Ltd | レーザ溶接方法 |
JP2004337881A (ja) | 2003-05-13 | 2004-12-02 | Matsushita Electric Ind Co Ltd | レーザ加工方法およびレーザ加工装置 |
WO2006116722A2 (en) * | 2005-04-28 | 2006-11-02 | The Pennsylvania State Research Foundation | Apparatus and method for conducting laser stir welding |
JP5070861B2 (ja) * | 2006-03-23 | 2012-11-14 | 日産自動車株式会社 | レーザ溶接装置およびその方法 |
US8378255B2 (en) * | 2007-11-19 | 2013-02-19 | Miyachi Corporation | Laser beam irradiation apparatus |
JP2009245758A (ja) | 2008-03-31 | 2009-10-22 | Sanyo Electric Co Ltd | 密閉型電池の製造方法 |
MX353199B (es) * | 2010-10-12 | 2018-01-05 | Nippon Steel & Sumitomo Metal Corp Star | Metodo de soldadura por laser. |
US9378297B2 (en) * | 2011-03-07 | 2016-06-28 | Microsoft Technology Licensing, Llc | Task-based address bar and tabs scaling |
US8766140B2 (en) * | 2011-10-06 | 2014-07-01 | Lincoln Global, Inc. | Apparatus and method for laser cleaning of coated materials prior to welding |
CN103182604B (zh) | 2013-03-12 | 2016-04-06 | 镭射谷科技(深圳)有限公司 | 激光复合焊接方法与*** |
US9757817B2 (en) * | 2013-03-13 | 2017-09-12 | Queen's University At Kingston | Methods and systems for characterizing laser machining properties by measuring keyhole dynamics using interferometry |
JP5947740B2 (ja) * | 2013-03-29 | 2016-07-06 | 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 |
JP5842851B2 (ja) * | 2013-03-29 | 2016-01-13 | 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 |
JP5849985B2 (ja) * | 2013-04-15 | 2016-02-03 | 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 |
KR101509715B1 (ko) * | 2013-10-15 | 2015-04-07 | 현대자동차 주식회사 | 레이저 용접장치 |
JP6108178B2 (ja) | 2014-06-16 | 2017-04-05 | トヨタ自動車株式会社 | レーザー溶接装置およびレーザー溶接方法 |
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CN108232047B (zh) | 2020-12-18 |
KR102057063B1 (ko) | 2019-12-18 |
US20180178321A1 (en) | 2018-06-28 |
US10821544B2 (en) | 2020-11-03 |
CN108232047A (zh) | 2018-06-29 |
JP2018103202A (ja) | 2018-07-05 |
KR20180073475A (ko) | 2018-07-02 |
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