Method of manufacturing nuclear fuel bundle spacers

Details Method of manufacturing nuclear fuel bundle spacers Method of manufacturing nuclear fuel bundle spacers

1988-12-02

1989-09-26

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

29430, 29906, G21C 2100

Patent

active

048698652

ABSTRACT:
In the automated production line manufacture of nuclear fuel bundle spacers, rod-supporting ferrules are cut from tubular stock, checked for length, laser cut to create predetermined features in the ferrule sidewall, formed with rod-centering stops in the ferrule sidewall, and checked for stop height dimensional accuracy. Pairs of ferrules are subassembled with a captive spring and assembled into a spacer assembly fixture together with other spacer parts. The fixtured spacer parts are conjoined by laser welding to create a structurally rigid spacer. The various production line operating stations are served by separate controllers linked to a central computer for production status reporting, parts traceability, and overall control purposes.

REFERENCES:
patent: 3524245 (1970-08-01), Searing
patent: 3890196 (1975-06-01), Chetter
patent: 4508679 (1985-04-01), Matzner et al.
patent: 4539738 (1985-09-01), Antol et al.
patent: 4587704 (1986-05-01), Matzner et al.
patent: 4711436 (1987-12-01), Kobuck et al.

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