KR101116638B1 - 강판의 레이저 용접방법 - Google Patents
강판의 레이저 용접방법 Download PDFInfo
- Publication number
- KR101116638B1 KR101116638B1 KR1020090124785A KR20090124785A KR101116638B1 KR 101116638 B1 KR101116638 B1 KR 101116638B1 KR 1020090124785 A KR1020090124785 A KR 1020090124785A KR 20090124785 A KR20090124785 A KR 20090124785A KR 101116638 B1 KR101116638 B1 KR 101116638B1
- Authority
- KR
- South Korea
- Prior art keywords
- welding
- steel sheet
- laser
- welding method
- laser welding
- Prior art date
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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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/244—Overlap 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
-
- 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
- B23K2101/006—Vehicles
-
- 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
Abstract
Description
Claims (13)
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- 하부 강판에 대하여 상부 강판의 선단을 따라 용접부를 형성하여 상호 겹치기 용접하기 위한 강판의 레이저 용접방법에 있어서,상기 용접부에 대하여 저입열의 레이저빔을 일정피치의 지그재그 형상의 용접패턴을 갖도록 일정한 용접속도로 조사하되,상기 용접부 표면에서, 상기 용접패턴의 일정피치보다 큰 반경을 갖는 용융부를 형성하도록 상기 하부 강판에 대하여 상부 강판의 선단을 용융시켜 상기 용융부가 피치당 적어도 2회 이상 중첩되도록 하여 제살용접이 이루어지도록 용접하는 것을 특징으로 하는 강판의 레이저 용접방법.
- 제8항에서,상기 레이저빔은Nd:YAG 레이저발진기로부터 발진되는 Nd:YAG 레이저빔으로 이루어지는 것을 특징으로 하는 강판의 레이저 용접방법.
- 제8항에서,상기 레이저빔의 출력은3.2㎾ 내지 3.8㎾의 범위 내에서 설정되는 것을 특징으로 하는 강판의 레이저 용접방법.
- 제8항에서,상기 지그재그 형상의 용접패턴은반복되는 "V"자 형상으로 형성되며, 그 피치가 1mm 이하의 간격으로 설정되 고, 그 용접패턴의 폭은 4mm 내지 6mm의 범위 내에서 설정되는 것을 특징으로 하는 강판의 레이저 용접방법.
- 제8항에서,상기 용접속도는150mm/sec 내지 250mm/sec의 범위 내에서 설정되는 것을 특징으로 하는 강판의 레이저 용접방법.
- 제8항에서,상기 상부 강판과 하부 강판 사이의 갭(Gap)은1mm 이내인 것을 특징으로 하는 강판의 레이저 용접방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090124785A KR101116638B1 (ko) | 2009-12-15 | 2009-12-15 | 강판의 레이저 용접방법 |
US12/825,424 US8350185B2 (en) | 2009-12-15 | 2010-06-29 | Laser welding method for steel sheet |
JP2010147274A JP5822376B2 (ja) | 2009-12-15 | 2010-06-29 | 鋼板のレーザ溶接方法 |
DE102010060983A DE102010060983A1 (de) | 2009-12-15 | 2010-12-02 | Laserschweißverfahren für ein Stahlblech |
CN201010614859.3A CN102126084B (zh) | 2009-12-15 | 2010-12-15 | 钢板的激光焊接方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090124785A KR101116638B1 (ko) | 2009-12-15 | 2009-12-15 | 강판의 레이저 용접방법 |
Publications (2)
Publication Number | Publication Date |
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KR20110067979A KR20110067979A (ko) | 2011-06-22 |
KR101116638B1 true KR101116638B1 (ko) | 2012-03-07 |
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KR1020090124785A KR101116638B1 (ko) | 2009-12-15 | 2009-12-15 | 강판의 레이저 용접방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8350185B2 (ko) |
JP (1) | JP5822376B2 (ko) |
KR (1) | KR101116638B1 (ko) |
CN (1) | CN102126084B (ko) |
DE (1) | DE102010060983A1 (ko) |
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KR20230068461A (ko) | 2021-11-10 | 2023-05-18 | 한국생산기술연구원 | 데크 하우스 구조물에 대한 박판 레이저 용접 실시 방법 |
KR102580252B1 (ko) | 2022-09-28 | 2023-09-19 | 주식회사 조호하이텍 | 개선된 위빙을 이용한 레이저 용접방법 |
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- 2010-06-29 JP JP2010147274A patent/JP5822376B2/ja active Active
- 2010-06-29 US US12/825,424 patent/US8350185B2/en active Active
- 2010-12-02 DE DE102010060983A patent/DE102010060983A1/de not_active Ceased
- 2010-12-15 CN CN201010614859.3A patent/CN102126084B/zh active Active
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9138827B2 (en) | 2012-11-06 | 2015-09-22 | Sungwoo Hitech Co., Ltd. | Method of laser welding |
KR20230068461A (ko) | 2021-11-10 | 2023-05-18 | 한국생산기술연구원 | 데크 하우스 구조물에 대한 박판 레이저 용접 실시 방법 |
KR102580252B1 (ko) | 2022-09-28 | 2023-09-19 | 주식회사 조호하이텍 | 개선된 위빙을 이용한 레이저 용접방법 |
Also Published As
Publication number | Publication date |
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US20110139753A1 (en) | 2011-06-16 |
US8350185B2 (en) | 2013-01-08 |
CN102126084B (zh) | 2014-07-02 |
CN102126084A (zh) | 2011-07-20 |
DE102010060983A1 (de) | 2011-06-16 |
JP2011125928A (ja) | 2011-06-30 |
KR20110067979A (ko) | 2011-06-22 |
JP5822376B2 (ja) | 2015-11-24 |
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