JPS6344480B2 - - Google Patents

Info

Publication number
JPS6344480B2
JPS6344480B2 JP59151473A JP15147384A JPS6344480B2 JP S6344480 B2 JPS6344480 B2 JP S6344480B2 JP 59151473 A JP59151473 A JP 59151473A JP 15147384 A JP15147384 A JP 15147384A JP S6344480 B2 JPS6344480 B2 JP S6344480B2
Authority
JP
Japan
Prior art keywords
straps
grid
jig
strap
lattice
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
JP59151473A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6042692A (ja
Inventor
Dankan Robaato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of JPS6042692A publication Critical patent/JPS6042692A/ja
Publication of JPS6344480B2 publication Critical patent/JPS6344480B2/ja
Granted legal-status Critical Current

Links

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)
JP59151473A 1983-07-26 1984-07-23 原子炉燃料集合体用支持格子の溶接治具 Granted JPS6042692A (ja)

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
JPS6042692A JPS6042692A (ja) 1985-03-06
JPS6344480B2 true JPS6344480B2 (enExample) 1988-09-05

Family

ID=24060056

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59151473A Granted JPS6042692A (ja) 1983-07-26 1984-07-23 原子炉燃料集合体用支持格子の溶接治具

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (10)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
ZA844730B (en) 1985-02-27
ES296423U (es) 1987-09-01
JPS6042692A (ja) 1985-03-06
KR920003191B1 (ko) 1992-04-24
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
EP0134920B1 (en) 1987-10-28

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