Method for repairing guide rails of an assembly radially maintaining a support plate of a pressurized water nuclear reactor core

Method for repairing guide rails of an assembly radially maintaining a support plate of a pressurized water nuclear reactor core

The invention concerns a method for repairing guide rails (27) of an assembly (10) radially maintaining a core supporting plate (5), which consists in measuring the spacing between the spans of the lateral branches of the guide rail (27) to be repaired, cutting and removing at least one lateral bran...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GUIRONNET STEPHANE, GRYPCZYNSKI DANIEL, FABRIS MIRCO
Format: Patent
Sprache:eng
Schlagworte:
COMBINED OPERATIONS
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
OTHER WORKING OF METAL
PERFORMING OPERATIONS
PHYSICS
TRANSPORTING
UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:The invention concerns a method for repairing guide rails (27) of an assembly (10) radially maintaining a core supporting plate (5), which consists in measuring the spacing between the spans of the lateral branches of the guide rail (27) to be repaired, cutting and removing at least one lateral branch of said guide rail (27) to be repaired, measuring the dimensions of said lateral branch and machining with identical dimensions at least one substitution lateral branch, mounting and fixing said substitution lateral branch and measuring the spacing between the spans of the lateral branches of the repaired guide rail.