METHOD FOR PRODUCING A CERAMIC CORE FOR THE PRODUCTION OF A CASTING HAVING HOLLOW STRUCTURES AND A CERAMIC CORE

A method for producing a ceramic core, and such a core, for preparing the production of a casting having hollow structures. The ceramic core configured to form, making use of a 3D model of digital geometric co-ordinates of the casting. The method involves unpressurized or low-pressure casting of a c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Beele, Wolfram, Schilling, Heikko
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING CASTING FOUNDRY MOULDING PERFORMING OPERATIONS POWDER METALLURGY SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER TRANSPORTING WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	A method for producing a ceramic core, and such a core, for preparing the production of a casting having hollow structures. The ceramic core configured to form, making use of a 3D model of digital geometric co-ordinates of the casting. The method involves unpressurized or low-pressure casting of a ceramic core blank, and specifically with an oversize relative to the core according to the geometric co-ordinates, and CNC processing of the core in accordance with the 3D model in a first CNC processing method.