JP2012030263A5 - - Google Patents

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JP2012030263A5
JP2012030263A5 JP2010173365A JP2010173365A JP2012030263A5 JP 2012030263 A5 JP2012030263 A5 JP 2012030263A5 JP 2010173365 A JP2010173365 A JP 2010173365A JP 2010173365 A JP2010173365 A JP 2010173365A JP 2012030263 A5 JP2012030263 A5 JP 2012030263A5
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Prior art keywords
filler
laser beam
welding
laser
wire
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JP2010173365A
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JP5617416B2 (en
JP2012030263A (en
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Priority claimed from JP2010173365A external-priority patent/JP5617416B2/en
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Claims (12)

被溶接物の溶接位置にレーザ溶接とワイヤを送給して行うアーク溶接とを同時に行いながら、前記溶接位置にフィラーを供給するレーザ溶接方法において、
前記被溶接物の表面における前記フィラーの狙い位置と同じ位置にレーザビームを照射すると共に、
前記レーザビームの直径をデフォーカスで所定の大きさに調整し、
前記フィラーの中心軸と前記レーザビームの光軸とのなす角度を４５度以下にするレーザ溶接方法。 In the laser welding method of supplying filler to the welding position while simultaneously performing laser welding and arc welding performed by feeding a wire to the welding position of the workpiece,
While irradiating a laser beam to the same position as the target position of the filler on the surface of the workpiece,
Adjusting the diameter of the laser beam to a predetermined size by defocusing,
A laser welding method in which an angle formed by a central axis of the filler and an optical axis of the laser beam is 45 degrees or less. デフォーカスで前記レーザビームの直径を調整する場合には、被溶接物の表面をレーザビームの焦点よりレーザビームの入射側に配置する請求項１に記載のレーザ溶接方法。 When adjusting the diameter of the laser beam in a defocused, the laser welding method of claim 1 disposed on the incident side of the laser beam from the focus of the laser beam the surface of the object to be welded. 被溶接物表面での前記レーザビームの直径としては、フィラーの直径の０．７から１．３倍とする請求項１または２に記載のレーザ溶接方法。 The laser welding method according to claim 1 or 2, wherein the diameter of the laser beam on the surface of the workpiece is 0.7 to 1.3 times the diameter of the filler. 溶接の進行方向から、ワイヤ、レーザビーム、フィラーの順、または、フィラー、レーザビーム、ワイヤの順に配置し溶接を行う請求項１から３のいずれかに記載のレーザ溶接方法。 The laser welding method according to any one of claims 1 to 3, wherein welding is performed by arranging in the order of wire, laser beam, filler, or filler, laser beam, and wire in the order of welding. ワイヤの被溶接物の表面における狙い位置とレーザビームの照射位置との間隔をワイヤ径の１から５倍とする請求項１から４のいずれかに記載のレーザ溶接方法。 The laser welding method according to any one of claims 1 to 4, wherein a distance between a target position on the surface of the workpiece to be welded and a laser beam irradiation position is 1 to 5 times the wire diameter. フィラーと被溶接物または溶融池とを接触させ、前記フィラーに電流を流すことによって前記フィラーを加熱しながら溶接を行う請求項１から５のいずれかに記載のレーザ溶接方法。 The laser welding method according to any one of claims 1 to 5, wherein welding is performed while heating the filler by bringing the filler into contact with an object to be welded or a molten pool and passing an electric current through the filler. 被溶接物の溶接位置にレーザビームを照射するレーザ発生手段と、前記溶接位置にワイヤを送給するワイヤ送給手段と、前記ワイヤ送給手段を制御しながら前記ワイヤと前記被溶接物にアーク溶接のための電力を送給するアーク発生手段と、前記溶接位置にフィラーを送給するフィラー送給手段と、前記レーザ発生手段と前記アーク発生手段とを制御する制御手段とを備え、
前記被溶接物の表面における前記フィラーの狙い位置と同じ位置にレーザビームを照射すると共に、
前記レーザビームの直径をデフォーカスで所定の大きさに調整し、
前記フィラーの中心軸と前記レーザビームの光軸とのなす角度を４５度以下にするレーザ溶接装置。 Laser generating means for irradiating a welding position of a workpiece to be welded, wire feeding means for feeding a wire to the welding position, and an arc on the wire and the workpiece to be welded while controlling the wire feeding means Arc generating means for supplying electric power for welding, filler supplying means for supplying filler to the welding position, control means for controlling the laser generating means and the arc generating means,
While irradiating a laser beam to the same position as the target position of the filler on the surface of the workpiece,
Adjusting the diameter of the laser beam to a predetermined size by defocusing,
The laser welding apparatus which makes the angle which the center axis | shaft of the said filler and the optical axis of the said laser beam make into 45 degrees or less. デフォーカスで前記レーザビームの直径を調整する場合には、焦点が被溶接物の中に位置するよう配置する請求項７に記載のレーザ溶接装置。 The laser welding apparatus according to claim 7 , wherein when the diameter of the laser beam is adjusted by defocusing, the laser beam is arranged so that a focal point is located in an object to be welded. 被溶接物表面での前記レーザビームの直径としては、フィラーの直径の０．７から１．３倍とする請求項７または８に記載のレーザ溶接装置。 The laser welding apparatus according to claim 7 or 8, wherein the diameter of the laser beam on the surface of the workpiece is 0.7 to 1.3 times the diameter of the filler. 溶接の進行方向から、ワイヤ、レーザビーム、フィラーの順、または、フィラー、レーザビーム、ワイヤの順に配置し溶接を行う請求項７から９のいずれかに記載のレーザ溶接装置。 The laser welding apparatus according to any one of claims 7 to 9, wherein welding is performed by arranging in the order of wire, laser beam, and filler, or in the order of filler, laser beam, and wire from the welding progress direction. ワイヤの被溶接物の表面における狙い位置とレーザビームの照射位置との間隔をワイヤ径の１から５倍とする請求項７から１０のいずれかに記載のレーザ溶接装置。 The laser welding apparatus according to any one of claims 7 to 10, wherein an interval between a target position on the surface of the workpiece to be welded and a laser beam irradiation position is 1 to 5 times the wire diameter. フィラーに電流を供給する加熱手段を設けると共に、前記フィラーと被溶接物または溶融池を接触させ、前記フィラーに電流を流すことによって前記フィラーを加熱しながら溶接を行う請求項７から１１のいずれかに記載のレーザ溶接装置。 The heating means for supplying current to the filler is provided, welding is performed while heating the filler by bringing the filler into contact with the work piece or the molten pool and flowing the current through the filler . laser welding apparatus according to.
JP2010173365A 2010-08-02 2010-08-02 Laser welding method and laser welding apparatus Active JP5617416B2 (en)

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Application Number Priority Date Filing Date Title
JP2010173365A JP5617416B2 (en) 2010-08-02 2010-08-02 Laser welding method and laser welding apparatus

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JP2012030263A JP2012030263A (en) 2012-02-16
JP2012030263A5 true JP2012030263A5 (en) 2013-08-01
JP5617416B2 JP5617416B2 (en) 2014-11-05

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Publication number Priority date Publication date Assignee Title
US9683682B2 (en) * 2012-08-03 2017-06-20 Lincoln Global, Inc. Methods and systems of joining pipes
US10464168B2 (en) 2014-01-24 2019-11-05 Lincoln Global, Inc. Method and system for additive manufacturing using high energy source and hot-wire
US11027362B2 (en) 2017-12-19 2021-06-08 Lincoln Global, Inc. Systems and methods providing location feedback for additive manufacturing

Family Cites Families (11)

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JPS61232080A (en) * 1985-04-09 1986-10-16 Nippon Kokan Kk <Nkk> Laser welding method
JPH04157079A (en) * 1990-10-16 1992-05-29 Mitsubishi Heavy Ind Ltd Laser beam welding method
JP2002035968A (en) * 2000-07-31 2002-02-05 Toshiba Corp Composite welding process
JP2002079371A (en) * 2000-09-01 2002-03-19 Daihatsu Motor Co Ltd Method and device for brazing sheet
JP2003112525A (en) * 2001-10-02 2003-04-15 Aisin Seiki Co Ltd Manufacturing method of door frame for automobile
JP4127614B2 (en) * 2002-01-17 2008-07-30 本田技研工業株式会社 Laser welding apparatus and welding method
JP4848921B2 (en) * 2006-10-13 2011-12-28 パナソニック株式会社 Composite welding method and composite welding equipment
JP4952315B2 (en) * 2007-03-16 2012-06-13 パナソニック株式会社 Composite welding method and composite welding equipment
JP2009248159A (en) * 2008-04-08 2009-10-29 Takeshi Hosoda Wire guide leading edge chip, wire guide, and small-diameter wire feeding device for build-up welding
WO2010061422A1 (en) * 2008-11-27 2010-06-03 パナソニック株式会社 Composite welding method and composite welding apparatus
JP5600838B2 (en) * 2010-07-12 2014-10-08 国立大学法人広島大学 Laser welding method

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