IMPROVED LOST-WAX CASTING METHOD FOR MANUFACTURING AN ANNULAR BLADED TURBINE ENGINE ASSEMBLY, METAL MOLD, AND WAX PATTERN FOR IMPLEMENTING SUCH A METHOD

A method of manufacture of a wax model of an annular bladed turbomachine stator assembly includes in succession the positioning, in a mold, of a core intended to form the impression of a cavity of a blade of the assembly, the injection of a wax in the mold, and the removal of the wax model fitted wi...

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Bibliographische Detailangaben
Hauptverfasser:	MATHIEU, DAVID, HERZER, ERIC, BARIAUD, CHRISTIAN, COLLIN, YANNICK
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CASTING ENGINE PLANTS IN GENERAL FOUNDRY MOULDING HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS POWDER METALLURGY STEAM ENGINES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A method of manufacture of a wax model of an annular bladed turbomachine stator assembly includes in succession the positioning, in a mold, of a core intended to form the impression of a cavity of a blade of the assembly, the injection of a wax in the mold, and the removal of the wax model fitted with the core from the mold. The core is manufactured in metal and is positioned such that its radially internal end is housed in the portion of the mold defining the blade including the cavity, away from the radially internal end of this portion of the mold.