TURBINE MACHINE VANE REPAIRING METHOD

FIELD: repairing production, possibly repairing turbine machine vanes. ^ SUBSTANCE: method comprises steps of determining line vane cross section to be repaired; removing portion with flaw along said line; abutting curved parts to lateral sides of vane while using both parts with one side correspond...

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Bibliographische Detailangaben
Hauptverfasser:	NAGOVITSYN EVGENIJ MIKHAJLOVICH, GEJKIN VALERIJ ALEKSANDROVICH, POKLAD VALERIJ ALEKSANDROVICH, ERMACHKOV EVGENIJ MIKHAJLOVICH, SHARONOVA NATAL'JA IVANOVNA, DOKASHEV VIKTOR VASIL'EVICH, PUZANOV SERGEJ GEORGIEVICH, SKVORTSOV IVAN VLADIMIROVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING UNIVERSAL MACHINE TOOLS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	FIELD: repairing production, possibly repairing turbine machine vanes. ^ SUBSTANCE: method comprises steps of determining line vane cross section to be repaired; removing portion with flaw along said line; abutting curved parts to lateral sides of vane while using both parts with one side corresponding to curvature of vane ends; placing cover strip on end surface of vane and said parts and fixing them by means of argon-arc welding; then joining by means of electron beam welding due to surfacing end of vane at using said cover strip as additive material; performing mechanical working. ^ EFFECT: elimination of distortion of structure of material of vane and cover strip, prevention of flaw occurring. ^ 4 dwg, 1 tbl