KERN ZUR EINSTELLUNG DER WANDDICKE EINER TURBINENSCHAUFEL UND VERFAHREN

A core for use in casting a turbine bucket including serpentine cooling passages (18) is divided into two pieces including a leading edge core section (12) and a trailing edge core section (14). Wall thicknesses at the leading edge and the trailing edge of the turbine bucket can be controlled indepe...

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Bibliographische Detailangaben
Hauptverfasser:	XU, LIMING, STATHOPOULOS, DIMITRIOS, LEWIS, DOYLE C
Format:	Patent
Sprache:	ger
Schlagworte:	BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES COMBINED OPERATIONS ENGINE PLANTS IN GENERAL FOUNDRY MOULDING HEATING 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 POWDER METALLURGY STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS
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Beschreibung
Zusammenfassung:	A core for use in casting a turbine bucket including serpentine cooling passages (18) is divided into two pieces including a leading edge core section (12) and a trailing edge core section (14). Wall thicknesses at the leading edge and the trailing edge of the turbine bucket can be controlled independent of each other by separately positioning the leading edge core section and the trailing edge core section in the casting die. The controlled leading and trailing edge thicknesses can thus be optimized for efficient cooling, resulting in more efficient turbine operation