Insert removal device for gas turbine stationary blade and insert removal method for gas turbine stationary blade

Insert removal device for gas turbine stationary blade and insert removal method for gas turbine stationary blade

An insert removal device (20) for a gas tourbine stationary blade, which removes weld metal which surrounds an insert collar so as to connect the insert collar protruding outwardly from the outer peripheral surfaces of inserts to a stationary blade outside shroud non-gas path surface by arc-discharg...

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Hauptverfasser: TSUKIMOTO KOJI, TAKEUCHI YASUSHI, OSAME YUKI
Format: Patent
Sprache:chi ; eng
Schlagworte:
AIR INTAKES FOR JET-PROPULSION PLANTS
BLASTING
COMBUSTION ENGINES
CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
ENGINE PLANTS IN GENERAL
GAS-TURBINE PLANTS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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creator TSUKIMOTO KOJI
TAKEUCHI YASUSHI
OSAME YUKI
description An insert removal device (20) for a gas tourbine stationary blade, which removes weld metal which surrounds an insert collar so as to connect the insert collar protruding outwardly from the outer peripheral surfaces of inserts to a stationary blade outside shroud non-gas path surface by arc-discharge which is repeated in a short period between an electrode (21) and the gas turbine stationary blade, wherein the bottom surface (24) of the electrode (21) has the same planar view shape as the planar view shape of the weld metal.
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subjects AIR INTAKES FOR JET-PROPULSION PLANTS
BLASTING
COMBUSTION ENGINES
CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
ENGINE PLANTS IN GENERAL
GAS-TURBINE PLANTS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
title Insert removal device for gas turbine stationary blade and insert removal method for gas turbine stationary blade
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