WO2015152402A1 - 溶接構造体の製造方法 - Google Patents
溶接構造体の製造方法 Download PDFInfo
- Publication number
- WO2015152402A1 WO2015152402A1 PCT/JP2015/060610 JP2015060610W WO2015152402A1 WO 2015152402 A1 WO2015152402 A1 WO 2015152402A1 JP 2015060610 W JP2015060610 W JP 2015060610W WO 2015152402 A1 WO2015152402 A1 WO 2015152402A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- welding
- gas
- manufacturing
- welded structure
- assist gas
- Prior art date
Links
Images
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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/146—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing a liquid
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/1462—Nozzles; Features related to nozzles
- B23K26/1464—Supply to, or discharge from, nozzles of media, e.g. gas, powder, wire
- B23K26/147—Features outside the nozzle for feeding the fluid stream towards the workpiece
-
- 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
- B23K26/26—Seam welding of rectilinear seams
-
- 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
- B23K26/32—Bonding taking account of the properties of the material involved
-
- 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
- B23K2101/18—Sheet panels
- B23K2101/185—Tailored blanks
-
- 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
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
Definitions
- the present invention relates to a method for manufacturing a welded structure, and more particularly to a method for manufacturing a welded structure using butt laser welding of a steel plate, such as a tailored blank material.
- tailored blanks In the field of automotive steel sheets, the application of tailored blanks (Tailored welded blank) is expanding in order to reduce weight and improve impact resistance.
- the tailored blank refers to a method of press-molding a plate material (hereinafter referred to as “tailored blank material”) in which a plurality of metal plates having different materials, plate thicknesses, tensile strengths, and the like are integrated by butt welding into a desired shape. Laser welding is generally used for butt welding when producing a tailored blank.
- Patent Documents 1 to 3 disclose a method of manufacturing a tailored blank material by butt welding using laser welding.
- the lower limit of the thickness of a metal plate used for manufacturing a tailored blank material is about 0.7 mm. Also in Patent Documents 1 to 3, the thickness of the steel sheet disclosed in detail as an example is 0.7 mm even if it is thin.
- the present invention has been made to solve the above problems, and even when a plurality of steel plates including a steel plate having a thickness of 0.6 mm or less are butt-welded, a through hole is generated in a welded portion. It aims at providing the manufacturing method of the welded structure which can prevent.
- the present inventors diligently studied the factors that affect the generation of through holes in the weld. As a result, the following knowledge was obtained.
- the reason why the through hole is generated in the welded portion is that the flow of the molten pool is disturbed during welding.
- the type of assist gas greatly affects the stability of the molten pool flow.
- the lower limit of the laser output that does not cause insufficient heat input is set as the lower limit output
- the upper limit of the laser output that causes excessive energy and through holes are set as the upper limit output
- the range between the lower limit output and the upper limit output is the appropriate output range. To do.
- Ar gas generally used as the assist gas is used, butt welding cannot be appropriately performed at any laser output.
- Butt butt welding is possible when no assist gas is used. However, since the flow of the molten pool may be disturbed, through holes are occasionally generated, and it is difficult to stably manage in actual operation.
- the present invention has been made on the basis of the above knowledge, and the gist of the manufacturing method of the following welded structure is as follows.
- a method of manufacturing a welded structure by laser welding and butt welding while supplying an assist gas to the surface of a molten pool by laser welding, and the thickness of at least one of the two steel plates is
- the assist gas is a mixed gas containing 10 to 50% by volume of O 2 gas, and when the O 2 concentration in the assist gas is C (volume%), the flow rate of the assist gas
- L (L / min) satisfies L ⁇ 10 and 30 ⁇ C ⁇ L ⁇ 40.
- the surface melt width of the welded portion of the two steel plates is not more than 2.3 times the thickness of the thin steel plate of the two steel plates, and the back surface melt width is 0.5 to 1.2 of the melt width of the surface.
- the assist gas is supplied to the surface of the molten pool so as to flow in a direction opposite to a welding progress direction. Production method.
- the welding method according to the present invention can be suitably used for manufacturing a welded structure, particularly a tailored blank material.
- the method for manufacturing a welded structure of the present invention is to butt weld two steel plates by laser welding while supplying an assist gas to the surface of the molten pool.
- (A) Supply of assist gas In the method for manufacturing a welded structure according to the present invention, a mixed gas containing O 2 gas is supplied to the surface of the molten pool as the assist gas. In order to stabilize the flow of the molten pool and prevent the generation of through holes in the welded portion, the content of O 2 gas in the mixed gas needs to be 10 to 50% by volume.
- the content of O 2 gas in the mixed gas is preferably 30% by volume or less.
- the content of O 2 gas in the mixed gas is preferably 15% by volume or more.
- Gas components other than O 2 are not particularly limited.
- An inert gas such as Ar or He, or N 2 gas, CO 2 gas, compressed air, or the like may be used as appropriate.
- O 2 gas may be used air containing about 21 vol%. If air is used as the assist gas, the manufacturing cost can be kept low.
- the assist gas supply means there is no particular limitation on the assist gas supply means.
- a normal nozzle having a jet port capable of jetting the mixed gas in a predetermined direction may be used.
- the type of nozzle For example, a flat nozzle having a rectangular nozzle or a round tube nozzle made of a circular tube is exemplified.
- the assist gas injected from the supply means is supplied on the surface of the molten pool so as to flow in a direction opposite to the welding progress direction.
- the assist gas it is preferable to supply the assist gas by directly blowing it toward the surface of the molten pool. That is, it is desirable to adjust the injection position and direction of the assist gas so that the center line of the assist gas injected from the supply means intersects the molten pool surface.
- the mixed gas reflected on the steel plate surface is supplied to the molten pool surface by spraying on the steel plate ahead of the welding progress direction from the molten pool.
- the supply means may be arranged so that the center line of the assist gas injected from the supply means intersects the steel plate in front of the weld progressing direction from the molten pool.
- FIG. 1 to 4 are diagrams for explaining an example of a welding method according to the present invention.
- the mixed gas 12 is supplied by the supply means 3.
- the assist gas 12 is directly blown to the molten pool 13 from the supply means 3 installed in front of the welding head 1 in the welding progress direction A.
- the supply means 3 is installed in front of the welding head 1 as in FIG. 1, but the assist gas 12 is sprayed toward the steel plate 2 ahead of the molten pool and reflected on the surface of the steel plate 2.
- the position of the supply means 3 is adjusted so that the assist gas 12 is supplied to the surface of the molten pool 13.
- the assist gas 12 is sprayed forward, and the assist gas 12 reflected by the surface of the steel plate 2 is supplied to the surface of the molten pool 13.
- the injection position and the injection intensity of the supply means 3 may be adjusted.
- the supply means 3 is installed behind the welding head 1, the mixed gas 12 is sprayed forward, and the mixed gas 12 reflected on the surface of the steel plate 2 is supplied to the surface of the molten pool 13.
- the injection position and the injection intensity of the supply unit 3 may be adjusted.
- the flow rate L (L / min) of the assist gas satisfies L ⁇ 10 and 30 ⁇ C ⁇ L ⁇ 40 when the O 2 concentration is C (volume%).
- the flow rate is too small, it becomes difficult for the gas to reach the molten metal and the role of the assist gas is not achieved. If the flow rate is too large, the molten metal may melt away.
- the assist gas blowing force F is preferably 0.001 to 0.025 N.
- the density of ⁇ mixed gas, Q is the flow rate of the mixed gas, the A P is the cross-sectional area of the pipe of the gas mixture.
- (B) Steel plate In the manufacturing method of the welded structure of the present invention, two steel plates are butted and welded. As described above, when performing butt welding of a plate set including a steel plate having a plate thickness of 0.6 mm or less, a through hole is likely to occur in the welded portion.
- the method for manufacturing a welded structure according to the present invention exerts its effect particularly when performing butt welding of a plate assembly including a steel plate of 0.6 mm or less.
- steel type there is no particular limitation on the steel type to which the method for manufacturing a welded structure of the present invention is applied. Even if it is a non-plated steel plate, plated steel plates, such as a hot dip galvanized steel plate, may be sufficient.
- the tensile strength of the steel plate is not limited, and a 200 to 1900 MPa class steel plate can be used as appropriate.
- the thickness of the two steel plates is not more than three times that of the plate on the thick side.
- the interval between the steel plates is preferably 0.1 mm or less. It is because there exists a possibility that poor welding may arise when the space
- (C) Laser welding In the manufacturing method of the welding structure of the present invention, laser welding is used.
- the type of the laser oscillator is not particularly limited as long as it can oscillate a kW class laser.
- an oscillator such as a fiber laser, a YAG laser, a disk laser, a semiconductor laser, or a carbon dioxide gas laser can be used. If the above oscillator is used, a high-power laser can be obtained, so that efficient welding can be performed.
- the diameter is preferably 0.5 to 0.7 mm.
- the size in the direction orthogonal to the welding direction is preferably set to 0.5 to 0.7 mm.
- the welding speed is preferably 4 to 8 m / min in consideration of the welding shape and productivity.
- the laser output is expressed as follows: the welding speed is V [m / min], the average thickness of the two steel plates is t [mm], and the laser spot area is A [mm 2 ]. In this case, it is preferably set to 1.42 ⁇ V ⁇ t ⁇ A [kW] to 1.83 ⁇ V ⁇ t ⁇ A [kW].
- the spot is a circle having a diameter of 0.6 mm and a plate set having a thickness of 0.5 mm and 1.0 mm is welded at a welding speed of 6 m / min, it is preferably about 1.8 to 2.3 kW. .
- the steel sheet will not melt sufficiently and welding will be insufficient. If the laser output is too large, the amount of spatter scattered increases, which is not preferable.
- the welding method of the present invention relates to butt welding of two steel plates, tailored blank materials having a plurality of welded portions where two steel plates are butt welded (for example, the steel plates are butt welded to the left and right of the central steel plate, respectively). Needless to say, it can also be used in the manufacture of tailored blanks consisting of three plates.
- the surface melt width of the welded part should be 2.3 times or less of the thickness of the thin steel sheet of the two steel sheets, and the back surface melt width should be 0.5 to 1.2 times the melt width of the surface. Is preferred. If the surface melting width becomes too large, the back surface of the welded portion does not melt, and the molten metal tends to sag, which is not preferable. If the backside melt width is too small, sufficient strength cannot be secured. If it is too large, the molten metal tends to sag, which is not preferable. In order to make the strength of the welded portion sufficient, the back surface melt width is preferably 0.8 mm or more. The surface melt width is W1 in FIG. 5, and the back surface melt width is W2.
- Example 1 A 270 MPa class cold rolled steel sheet having a plate thickness of 0.5 mm and a 590 MPa class cold rolled steel sheet having a plate thickness of 1.0 mm were butt welded with a fiber laser.
- the laser spot diameter was 0.6 mm, and the welding speed was constant at 6 m / min.
- the nozzle for supplying the assist gas has a circular tube shape and an inner diameter of 5.5 mm. As shown in FIG. 1, the nozzle was installed in front of the welding head, the distance between the nozzle tip and the steel plate was 15 mm, the angle formed by the steel plate and the nozzle was 45 °, and the assist gas was sprayed.
- ⁇ Weldability was evaluated by adjusting the laser output while changing the type of assist gas. Table 1 shows the welding conditions and the evaluation results.
- the numerical values in Table 1 are average values (mm) of the melt width on the back side. Under the conditions indicated by the numerical values, a weld bead was formed up to the back side of the steel plate without through holes. A case where the melt width on the back surface side was 0.8 mm or more was determined as a good result.
- the mark (2) means that no weld bead was formed up to the back side due to insufficient heat input.
- the symbol ⁇ means that a weld bead was formed up to the back side, but its melt width was unstable.
- a cross means that a through hole has occurred.
- Example 2 In the same manner as in Example 1, the laser output was 2.1 kW, and the weldability was evaluated by changing the O 2 concentration in the assist gas and the flow rate of the assist gas. Table 2 shows welding conditions and evaluation results.
- the numerical values in Table 2 are average values (mm) of the melt width on the back side. Under the conditions indicated by the numerical values, a weld bead was formed up to the back side of the steel plate without through holes. A cross means that a through hole has occurred.
- the welding method according to the present invention can be suitably used for manufacturing a welded structure, particularly a tailored blank material.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
本発明の溶接構造体の製造方法では、アシストガスとして、O2ガスを含有する混合ガスを溶融池表面に供給する。溶融池の流れを安定化させ、溶接部における貫通穴の発生を防止するためには、混合ガス中のO2ガスの含有量を10~50体積%とする必要がある。
本発明の溶接構造体の製造方法においては、2つの鋼板を突き合わせて溶接する。前述のように、板厚が0.6mm以下の鋼板を含む板組の突き合わせ溶接を行う場合には、溶接部に貫通穴が生じやすくなる。本発明の溶接構造体の製造方法は、0.6mm以下の鋼板を含む板組の突き合わせ溶接を行う際に、特にその効果を発揮する。
本発明の溶接構造体の製造方法では、レーザ溶接を用いる。レーザ発振器の種類は、kW級のレーザを発振することができるものであれば、特に限定されない。たとえば、ファイバレーザ、YAGレーザ、ディスクレーザ、半導体レーザ、炭酸ガスレーザ等の発振器を用いることができる。上記の発振器を用いれば、高出力のレーザを得ることができるので、効率良く溶接をすることが可能となる。
溶接部の表面溶融幅は、2つの鋼板のうち薄い鋼板の板厚の2.3倍以下、裏面溶融幅は表面の溶融幅の0.5~1.2倍とするのが好ましい。表面溶融幅が大きくなりすぎると、溶接部の裏面が溶融しなかったり、溶融金属が垂れ下がりやすくなったりし、好ましくない。裏面溶融幅は小さすぎると十分な強度が確保できない。大きすぎると、溶融金属が垂れ下がりやすくなり好ましくない。溶接部の強度を十分なものとするためには、裏面溶融幅は0.8mm以上あることが好ましい。なお、表面溶融幅は図5のW1、裏面溶融幅はW2の長さとする。
板厚が0.5mmの270MPa級冷延鋼板と、板厚が1.0mmの590MPa級冷延鋼板を、ファイバレーザで突き合わせ溶接した。
実施例1と同様にして、レーザ出力を2.1kWとし、アシストガス中のO2濃度とアシストガスの流量を変化させて、溶接性の評価を行った。溶接条件及び評価結果を表2に示す。
2 鋼板
3 供給手段
11 レーザ
12 混合ガス
13 溶融池
14 突き合わせ部
A 溶接進行方向
51 鋼板
52 鋼板
53 溶接部
W1 表面溶融幅
W2 裏面溶融幅
Claims (9)
- 2つの鋼板をレーザ溶接で、アシストガスを溶融池表面に供給しながら突き合わせ溶接することにより溶接構造体を製造する方法であって、
上記2つの鋼板の少なくとも1つの鋼板の板厚が0.6mm以下であり、
上記アシストガスは10~50体積%のO2ガスを含有する混合ガスであり、
上記アシストガス中のO2濃度をC(体積%)としたとき、アシストガスの流量L(L/min)が、30-C≦L<40、かつL≧10を満たす
ことを特徴とする溶接構造体の製造方法。 - 溶接速度をV[m/min]、2枚の鋼板の平均の板厚をt[mm]、レーザのスポット面積をA[mm2]としたとき、レーザの出力を1.42×V×t×A[kW]~1.83×V×t×A[kW]とすることを特徴とする請求項1に記載の溶接構造体の製造方法。
- 前記2つの鋼板の溶接部の表面溶融幅は、2つの鋼板のうち薄い鋼板の板厚の2.3倍以下とし、裏面溶融幅は表面の溶融幅の0.5~1.2倍とすることを特徴とする請求項1又は2に記載の溶接構造体の製造方法。
- 前記アシストガス中のO2濃度が15~30体積%であることを特徴とする請求項1~3のいずれか1項に記載の溶接構造体の製造方法。
- 前記アシストガスが空気であることを特徴とする請求項1~4のいずれか1項に記載の溶接構造体の製造方法。
- 前記アシストガスが、前記溶融池表面に、溶接進行方向とは反対の方向に流れるように供給されることを特徴とする請求項1~5のいずれか1項に記載の溶接構造体の製造方法。
- 前記アシストガスが溶融池表面と交差するように供給されることを特徴とする請求項6に記載の溶接構造体の製造方法。
- 前記アシストガスが溶融池より溶接進行方向前方において鋼板と交差するように供給されることを特徴とする請求項6に記載の溶接構造体の製造方法。
- 前記溶接構造体がテーラードブランク材であることを特徴とする請求項1~8のいずれか1項に記載の溶接構造体の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2016011436A MX2016011436A (es) | 2014-04-04 | 2015-04-03 | Metodo de produccion para estructura soldada. |
CN201580017988.5A CN106163727B (zh) | 2014-04-04 | 2015-04-03 | 焊接结构体的制造方法 |
US15/123,504 US10427245B2 (en) | 2014-04-04 | 2015-04-03 | Production method for welded structure |
KR1020167021833A KR101985582B1 (ko) | 2014-04-04 | 2015-04-03 | 용접 구조체의 제조 방법 |
JP2016511644A JP6191761B2 (ja) | 2014-04-04 | 2015-04-03 | 溶接構造体の製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014-078075 | 2014-04-04 | ||
JP2014078075 | 2014-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015152402A1 true WO2015152402A1 (ja) | 2015-10-08 |
Family
ID=54240709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/060610 WO2015152402A1 (ja) | 2014-04-04 | 2015-04-03 | 溶接構造体の製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10427245B2 (ja) |
JP (1) | JP6191761B2 (ja) |
KR (1) | KR101985582B1 (ja) |
CN (1) | CN106163727B (ja) |
MX (1) | MX2016011436A (ja) |
WO (1) | WO2015152402A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106964899B (zh) * | 2017-06-02 | 2018-08-07 | 长沙理工大学 | 一种激光深熔-钎焊连接异种材料的方法 |
US20180369961A1 (en) * | 2017-06-23 | 2018-12-27 | Applied Materials, Inc. | Treatment of solidified layer |
JP2022148017A (ja) * | 2021-03-24 | 2022-10-06 | 株式会社東芝 | 溶接方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05208290A (ja) * | 1992-01-31 | 1993-08-20 | Amada Co Ltd | レーザ溶接装置のアシストガス噴射制御装置 |
JP2002263878A (ja) * | 2001-03-14 | 2002-09-17 | Kobe Steel Ltd | 突合せ溶接法 |
JP2004136329A (ja) * | 2002-10-17 | 2004-05-13 | Kobe Steel Ltd | レーザ溶接用鉄系溶加材 |
JP2006021216A (ja) * | 2004-07-07 | 2006-01-26 | Nippon Steel Corp | テーラードブランクプレス成形部品の製造方法 |
US20070119830A1 (en) * | 2004-02-07 | 2007-05-31 | Mtu Aero Engines Gmbh | Method for connecting components |
JP2014113598A (ja) * | 2012-12-06 | 2014-06-26 | Japan Transport Engineering Co Ltd | レーザ溶接方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003154476A (ja) * | 2001-11-21 | 2003-05-27 | Kawasaki Steel Corp | レーザ溶接のガスシールド方法 |
JP4017571B2 (ja) * | 2003-07-02 | 2007-12-05 | 大陽日酸株式会社 | 鋼板のレーザー溶接方法 |
JP2007237216A (ja) | 2006-03-07 | 2007-09-20 | Kobe Steel Ltd | レーザ溶接方法およびレーザ溶接装置 |
JP4125325B2 (ja) | 2006-04-05 | 2008-07-30 | 大陽日酸株式会社 | 鋼板のレーザ溶接方法および複合板材の製造方法 |
FR2936177B1 (fr) * | 2008-09-24 | 2011-08-26 | Air Liquide | Procede de soudage laser de type co2 avec buse a jet dynamique. |
-
2015
- 2015-04-03 CN CN201580017988.5A patent/CN106163727B/zh not_active Expired - Fee Related
- 2015-04-03 JP JP2016511644A patent/JP6191761B2/ja active Active
- 2015-04-03 KR KR1020167021833A patent/KR101985582B1/ko active IP Right Grant
- 2015-04-03 US US15/123,504 patent/US10427245B2/en not_active Expired - Fee Related
- 2015-04-03 WO PCT/JP2015/060610 patent/WO2015152402A1/ja active Application Filing
- 2015-04-03 MX MX2016011436A patent/MX2016011436A/es unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05208290A (ja) * | 1992-01-31 | 1993-08-20 | Amada Co Ltd | レーザ溶接装置のアシストガス噴射制御装置 |
JP2002263878A (ja) * | 2001-03-14 | 2002-09-17 | Kobe Steel Ltd | 突合せ溶接法 |
JP2004136329A (ja) * | 2002-10-17 | 2004-05-13 | Kobe Steel Ltd | レーザ溶接用鉄系溶加材 |
US20070119830A1 (en) * | 2004-02-07 | 2007-05-31 | Mtu Aero Engines Gmbh | Method for connecting components |
JP2006021216A (ja) * | 2004-07-07 | 2006-01-26 | Nippon Steel Corp | テーラードブランクプレス成形部品の製造方法 |
JP2014113598A (ja) * | 2012-12-06 | 2014-06-26 | Japan Transport Engineering Co Ltd | レーザ溶接方法 |
Also Published As
Publication number | Publication date |
---|---|
MX2016011436A (es) | 2016-11-16 |
CN106163727A (zh) | 2016-11-23 |
CN106163727B (zh) | 2019-01-04 |
JPWO2015152402A1 (ja) | 2017-04-13 |
US10427245B2 (en) | 2019-10-01 |
JP6191761B2 (ja) | 2017-09-06 |
KR101985582B1 (ko) | 2019-06-04 |
US20170072508A1 (en) | 2017-03-16 |
KR20160105899A (ko) | 2016-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9061374B2 (en) | Laser/arc hybrid welding method and method for producing welded member using same | |
Bagger et al. | Review of laser hybrid welding | |
EP2692476B1 (en) | Method for producing laser-welded steel tube | |
US9339887B2 (en) | Method for bonding dissimilar metals to each other | |
JP2008126315A (ja) | 改良された溶込みを伴うレーザ溶接方法 | |
JP2007283363A (ja) | Uoe鋼管の製造方法 | |
US9266195B2 (en) | Laser welding method | |
JP6191761B2 (ja) | 溶接構造体の製造方法 | |
JP5416422B2 (ja) | レーザ・アーク複合溶接法 | |
JP6482820B2 (ja) | レーザー溶接装置及びレーザー溶接方法 | |
JP4978121B2 (ja) | 金属板の突合せ接合方法 | |
JP2008049362A (ja) | 亜鉛系めっき鋼板のレーザー溶接方法 | |
JP2013233557A (ja) | レーザ・アークハイブリッド溶接方法 | |
CN114043092A (zh) | 一种点环激光与电弧复合焊接方法 | |
JP5958894B2 (ja) | レーザ溶接におけるシールドガスの噴出方法 | |
JP2007216275A (ja) | ハイブリッド溶接用シールドガスおよび該ガスを用いたハイブリッド溶接方法 | |
JP5483553B2 (ja) | レーザ・アーク複合溶接法 | |
KR200458534Y1 (ko) | 하이브리드 보호가스를 이용한 co₂레이저 용접기 | |
JP2020151726A (ja) | 亜鉛系めっき鋼板の複合溶接方法及び溶接構造体 | |
Kesse | Laser-TIG hybrid welding process | |
Tzeng | Toward process optimization in pulsed Nd: YAG laser seam welding of zinc coated steel | |
JP2021037519A (ja) | 複合溶接方法 | |
JP2014200812A (ja) | 薄鋼板のガスシールドアーク溶接用ソリッドワイヤ | |
JP2002103036A (ja) | Uo鋼管のシーム溶接方法 | |
JP2013071134A (ja) | 異種金属接合方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15773714 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016511644 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20167021833 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15123504 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: MX/A/2016/011436 Country of ref document: MX |
|
WWE | Wipo information: entry into national phase |
Ref document number: IDP00201606619 Country of ref document: ID |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15773714 Country of ref document: EP Kind code of ref document: A1 |