KR100922159B1 - 지지격자의 용접 장치 - Google Patents
지지격자의 용접 장치 Download PDFInfo
- Publication number
- KR100922159B1 KR100922159B1 KR1020070098229A KR20070098229A KR100922159B1 KR 100922159 B1 KR100922159 B1 KR 100922159B1 KR 1020070098229 A KR1020070098229 A KR 1020070098229A KR 20070098229 A KR20070098229 A KR 20070098229A KR 100922159 B1 KR100922159 B1 KR 100922159B1
- Authority
- KR
- South Korea
- Prior art keywords
- welding
- image
- support grid
- image sensor
- pulse laser
- Prior art date
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Classifications
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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
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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
- 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
- B23K26/035—Aligning the laser beam
-
- 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
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/34—Spacer grids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0402—Exposure devices
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- 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S29/00—Metal working
- Y10S29/906—Nuclear device making
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
Claims (7)
- 펄스 레이저 발생부를 구비하여 지지격자를 용접하는 레이저 용접장치에 있어서,상기 펄스 레이저 발생부를 X-Y 평면상에서 이동시키는 서보모터;상기 펄스 레이저 발생부가 오프상태인 경우에 지지격자로부터 반사되는 빛을 입력받아 지지격자의 이미지를 감지 및 저장하는 이미지센서;지지격자로부터 반사되는 빛을 770 내지 790 나노미터의 파장의 범위에서 선택적으로 투과시켜 이미지센서로 전달하는 밴드패스필터; 및용접점에 대한 위치정보와 각 용접점에 대한 용접 순서가 저장되어 있고, 이미지센서가 지지격자의 이미지를 촬영하도록 제어하며, 상기 이미지센서로부터 이미지를 전송받아 다음 용접점의 정확한 위치를 산출하여 상기 용접점의 위치정보를 보정하고, 산출된 위치값을 이용하여 상기 펄스 레이저 발생부가 다음 용접점을 정확히 조준하도록 상기 서보모터를 제어하는 용접제어수단:를 포함하는 지지격자 용접 장치.* 상기 지지격자로부터 반사되는 빛은 용접 플라즈마로부터 발생하는 광, 용접부 발열에 의한 광 및 배경 광 등이 포함되며, 용접부로부터 이미지 센서측으로 오는 일체의 광을 의미 함
- 제1항에 있어서,상기 이미지센서로부터 전송된 지지격자의 이미지를 용접상태에 관한 화상분석 데이터베이스와 비교하여 용접된 부분의 용접상태를 판별하는 용접 상태판별수단:을 더 포함하는 지지격자 용접 장치.
- 제2항에 있어서,상기 용접제어수단은 상기 용접 상태판별수단으로부터 직전 용접 부위에 대하여 불량판정신호를 받는 경우 상기 용접점을 용접 작업 대상부분에 다시 포함시키는 지지격자 용접 장치.
- 제1항에 있어서,지지격자로부터 반사되는 빛을 카메라가 인식할 수 있는 강도로 낮추어 투과시켜 이미지센서로 전달하는 감쇄필터:를 더 구비하는 지지격자 용접 장치.
- 삭제
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 이미지센서는 상기 펄스 레이저 발생부의 오프시간 중 저온구간에서만 지지격자의 용접부로부터 반사되는 빛을 입력받아 지지격자의 이미지를 감지 및 저장하는 지지격자 용접장치.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 이미지센서는 펄스 레이저 발생부의 오프시간동안 연속적으로 촬영되는 프레임 중 핫스팟에 의한 왜곡 현상이 기준치 이하로 발생하는 경우에만 해당 프레임을 감지 및 저장하는 지지격자 용접장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070098229A KR100922159B1 (ko) | 2007-09-28 | 2007-09-28 | 지지격자의 용접 장치 |
US11/970,852 US8183497B2 (en) | 2007-09-28 | 2008-01-08 | Apparatus for and method of welding spacer grid |
CN200810007055XA CN101396769B (zh) | 2007-09-28 | 2008-02-01 | 定位格架的焊接设备 |
FR0800973A FR2921576B1 (fr) | 2007-09-28 | 2008-02-22 | Appareil et procede de soudage d'une grille d'espacement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070098229A KR100922159B1 (ko) | 2007-09-28 | 2007-09-28 | 지지격자의 용접 장치 |
Publications (2)
Publication Number | Publication Date |
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KR20090032750A KR20090032750A (ko) | 2009-04-01 |
KR100922159B1 true KR100922159B1 (ko) | 2009-10-21 |
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KR1020070098229A KR100922159B1 (ko) | 2007-09-28 | 2007-09-28 | 지지격자의 용접 장치 |
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KR (1) | KR100922159B1 (ko) |
CN (1) | CN101396769B (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8653407B2 (en) | 2010-11-18 | 2014-02-18 | Hyundai Motor Company | Method and apparatus for the quality inspection of laser welding |
KR20160064307A (ko) | 2014-11-27 | 2016-06-08 | 한전원자력연료 주식회사 | 핵연료집합체 지지격자의 레이저 용접장치 |
KR20160064310A (ko) | 2014-11-27 | 2016-06-08 | 한전원자력연료 주식회사 | 용접치구 및, 이를 이용한 핵연료집합체용 지지격자의 레이저 용접방법 |
KR20160118175A (ko) | 2016-09-28 | 2016-10-11 | 한전원자력연료 주식회사 | 핵연료집합체용 지지격자의 레이저 용접을 위한 용접치구 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101051033B1 (ko) * | 2009-08-07 | 2011-07-26 | 주식회사 무진기연 | 레이저 웰딩기를 이용한 핵연료 보관용기의 웰딩방법 |
JP6386501B2 (ja) | 2016-08-12 | 2018-09-05 | ファナック株式会社 | レーザ加工ロボットシステム及びレーザ加工方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS58168488A (ja) * | 1982-03-31 | 1983-10-04 | Nuclear Fuel Ind Ltd | 核燃料集合体用支持格子のレ−ザ自動溶接装置 |
JPH11207480A (ja) | 1998-01-26 | 1999-08-03 | Japan Nuclear Fuel Co Ltd(Jnf) | レーザ溶接装置 |
JP2003094183A (ja) | 2001-09-19 | 2003-04-02 | Sanyo Electric Co Ltd | レーザ溶接方法およびレーザ溶接装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2736191B1 (fr) * | 1995-06-29 | 1997-09-26 | Franco Belge Combustibles | Procede et installation de soudage d'une grille-entretoise d'un assemblage de combustible pour un reacteur nucleaire et dispositif de soudage par l'interieur d'une grille |
KR20040029688A (ko) * | 2002-10-02 | 2004-04-08 | 주식회사 넥사이언 | 빌트인 비젼장치 및 이를 이용한 이미지 처리방법 |
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2007
- 2007-09-28 KR KR1020070098229A patent/KR100922159B1/ko active IP Right Grant
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2008
- 2008-02-01 CN CN200810007055XA patent/CN101396769B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58168488A (ja) * | 1982-03-31 | 1983-10-04 | Nuclear Fuel Ind Ltd | 核燃料集合体用支持格子のレ−ザ自動溶接装置 |
JPH11207480A (ja) | 1998-01-26 | 1999-08-03 | Japan Nuclear Fuel Co Ltd(Jnf) | レーザ溶接装置 |
JP2003094183A (ja) | 2001-09-19 | 2003-04-02 | Sanyo Electric Co Ltd | レーザ溶接方法およびレーザ溶接装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8653407B2 (en) | 2010-11-18 | 2014-02-18 | Hyundai Motor Company | Method and apparatus for the quality inspection of laser welding |
KR20160064307A (ko) | 2014-11-27 | 2016-06-08 | 한전원자력연료 주식회사 | 핵연료집합체 지지격자의 레이저 용접장치 |
KR20160064310A (ko) | 2014-11-27 | 2016-06-08 | 한전원자력연료 주식회사 | 용접치구 및, 이를 이용한 핵연료집합체용 지지격자의 레이저 용접방법 |
KR20160118175A (ko) | 2016-09-28 | 2016-10-11 | 한전원자력연료 주식회사 | 핵연료집합체용 지지격자의 레이저 용접을 위한 용접치구 |
Also Published As
Publication number | Publication date |
---|---|
KR20090032750A (ko) | 2009-04-01 |
CN101396769B (zh) | 2011-12-28 |
CN101396769A (zh) | 2009-04-01 |
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