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Laser cutting apparatus for nuclear core fuel subassembly

Patent ·
OSTI ID:5159797
;
The object of the invention is to provide a system and apparatus which employs laser cutting to disassemble a nuclear core fuel subassembly. The apparatus includes a gantry frame (C) which straddles the core fuel subassembly (14), an x-carriage (22) travelling longitudinally above the frame which carries a focus head assembly (D) having a vertically moving carriage (46) and a laterally moving carriage (52), a system of laser beam transferring and focusing mirrors carried by the x-carriage and focusing head assembly, and a shroud follower (F) and longitudinal follower (G) for following the shape of shroud (14) to maintain a beam focal point (44) fixed upon the shroud surface for accurate cutting.
Assignee:
Department of Energy
Patent Number(s):
US 4317021
OSTI ID:
5159797
Country of Publication:
United States
Language:
English

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Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210500* -- Power Reactors
Breeding
COOLING SYSTEMS
ENERGY SYSTEMS
FUEL ASSEMBLIES
FUEL ASSEMBLY DISMANTLING
FUEL ELEMENTS
FUEL RODS
LASER BEAM MACHINING
LASERS
MACHINING
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTOR CORES
SHROUDS