KR920003191B1 - 원자로 연료집합체용 그리드의 용접 고정장치 - Google Patents

원자로 연료집합체용 그리드의 용접 고정장치 Download PDF

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Publication number
KR920003191B1
KR920003191B1 KR1019840004374A KR840004374A KR920003191B1 KR 920003191 B1 KR920003191 B1 KR 920003191B1 KR 1019840004374 A KR1019840004374 A KR 1019840004374A KR 840004374 A KR840004374 A KR 840004374A KR 920003191 B1 KR920003191 B1 KR 920003191B1
Authority
KR
South Korea
Prior art keywords
grid
strap
fixture
straps
notch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
KR1019840004374A
Other languages
English (en)
Korean (ko)
Other versions
KR850001049A (ko
Inventor
던칸 로버트
Original Assignee
웨스팅하우스 일렉트릭 코오포레이숀
지. 엠. 클라아크
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 웨스팅하우스 일렉트릭 코오포레이숀, 지. 엠. 클라아크 filed Critical 웨스팅하우스 일렉트릭 코오포레이숀
Publication of KR850001049A publication Critical patent/KR850001049A/ko
Application granted granted Critical
Publication of KR920003191B1 publication Critical patent/KR920003191B1/ko
Expired legal-status Critical Current

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Classifications

    • 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
    • G21C3/3424—Fabrication of spacer grids
    • 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
    • B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
    • B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs
    • 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

Landscapes

  • 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)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Laser Beam Processing (AREA)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)
KR1019840004374A 1983-07-26 1984-07-23 원자로 연료집합체용 그리드의 용접 고정장치 Expired KR920003191B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/517,496 US4556776A (en) 1983-07-26 1983-07-26 Welding fixture for nuclear reactor fuel assembly grid
US517496 1995-08-21

Publications (2)

Publication Number Publication Date
KR850001049A KR850001049A (ko) 1985-03-14
KR920003191B1 true KR920003191B1 (ko) 1992-04-24

Family

ID=24060056

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840004374A Expired KR920003191B1 (ko) 1983-07-26 1984-07-23 원자로 연료집합체용 그리드의 용접 고정장치

Country Status (7)

Country Link
US (1) US4556776A (enExample)
EP (1) EP0134920B1 (enExample)
JP (1) JPS6042692A (enExample)
KR (1) KR920003191B1 (enExample)
DE (1) DE3466944D1 (enExample)
ES (1) ES296423Y (enExample)
ZA (1) ZA844730B (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8520844D0 (en) * 1985-08-20 1985-09-25 Sun Ind Coatings Holding electrical/electronic components
US4873051A (en) * 1988-04-06 1989-10-10 Westinghouse Electric Corp. Nuclear fuel grid outer strap
JPH02134000A (ja) * 1988-11-15 1990-05-23 Matsushita Electric Ind Co Ltd 多品種対応プリント基板保持方法
US5519747A (en) * 1994-10-04 1996-05-21 General Electric Company Apparatus and methods for fabricating spacers for a nuclear fuel rod bundle
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
EP1858029B1 (en) * 2006-05-19 2010-08-11 Korea Atomic Energy Research Institute Apparatus and method for welding strap connections between inner grid straps of spacer grid using laser tool, and spacer grid manufactured using the same
WO2014152851A2 (en) 2013-03-14 2014-09-25 Babcock & Wilcox Mpower, Inc. Spacer grid welding fixtrue
DE102013105881A1 (de) * 2013-06-06 2014-12-11 Jenoptik Automatisierungstechnik Gmbh Vorrichtungen zum Verbinden zweier Werkstückteile mittels Laser- Durchstrahlschweißen
CN105014288A (zh) * 2015-08-20 2015-11-04 哈尔滨工业大学 用于核燃料组件定位格架的焊接夹具
DE202019102247U1 (de) * 2019-04-18 2019-04-30 Zell Metalltechnik Gmbh Gitterförmiger Werkstückträger
CN116690076B (zh) * 2023-07-18 2025-12-26 上海阿波罗机械股份有限公司 一种用于格架焊接防变形的锁紧装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836135A (en) * 1973-01-26 1974-09-17 L Wightman Plate spacing fixture for electrostatic air cleaners
GB1518311A (en) * 1975-04-02 1978-07-19 Atomic Energy Authority Uk Welding jigs
US4101752A (en) * 1976-09-15 1978-07-18 Westinghouse Electric Corp. Process for welding corner cells in fuel assembly grids
US4137125A (en) * 1976-11-12 1979-01-30 Westinghouse Electric Corp. Method of welding nuclear reactor fuel assemblies
US4291218A (en) * 1976-12-20 1981-09-22 Myhre Kjell E Transducer diaphragm elements and methods and apparatus for making same
US4132396A (en) * 1978-04-06 1979-01-02 Graham George W Glueing clamp assembly
US4286778A (en) * 1979-11-07 1981-09-01 Follmeyer Fred R Machining fixtures
FR2522560A1 (fr) * 1982-03-03 1983-09-09 Commissariat Energie Atomique Procede et dispositif pour la realisation par soudage laser par impulsions d'elements de structure de reacteurs nucleaires et grilles en alliage de zirconium obtenues par ce procede
US4492844A (en) * 1982-09-01 1985-01-08 Westinghouse Electric Corp. Welding plates for a fuel rod grid

Also Published As

Publication number Publication date
ZA844730B (en) 1985-02-27
ES296423U (es) 1987-09-01
JPS6042692A (ja) 1985-03-06
KR850001049A (ko) 1985-03-14
US4556776A (en) 1985-12-03
DE3466944D1 (en) 1987-12-03
ES296423Y (es) 1988-04-16
EP0134920A1 (en) 1985-03-27
JPS6344480B2 (enExample) 1988-09-05
EP0134920B1 (en) 1987-10-28

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PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19840723

PG1501 Laying open of application
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PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19890620

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19840723

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19911230

Patent event code: PE09021S01D

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

Comment text: Decision on Publication of Application

Patent event code: PG16051S01I

Patent event date: 19920327

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19920716

NORF Unpaid initial registration fee
PC1904 Unpaid initial registration fee