Repair of case flange with bolt holes

A method for repairing damaged bolt holes in a flange (26) having a plurality of circumferentially spaced bolt holes (30C,30D) therein, with each bolt hole defining a center axis and the flange defining an outer diameter edge (28). The method includes removing parent material of the flange in a firs...

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Bibliographische Detailangaben
1. Verfasser:	ANANTHARAMAN, GANESH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBINED OPERATIONS ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES OTHER WORKING OF METAL PERFORMING OPERATIONS STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS
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Beschreibung
Zusammenfassung:	A method for repairing damaged bolt holes in a flange (26) having a plurality of circumferentially spaced bolt holes (30C,30D) therein, with each bolt hole defining a center axis and the flange defining an outer diameter edge (28). The method includes removing parent material of the flange in a first pattern (33), and metallurgically joining a replacement detail to the parent material of the flange a location where the parent material of the flange was removed in the first pattern. The first pattern is bounded by first, second, third and fourth points. The first point (34) corresponds to the center axis of a first of the plurality of bolt holes, the second point (36) corresponds to center axis of a second of the plurality of bolt holes, and the third and fourth points (38,40) are defined at the outer diameter edge (28) of the flange circumferentially spaced from each other.