Methods and apparatus for heat treatment and sand removal for castings

A method of processing a metal casting, comprising: Pouring a metal in molten form into a mold containing a core formed from a binder soluble in a fluid selected from water, steam, organic solvents, thermal oils and combinations thereof; retaining the metal within the mold for a time and to a temper...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LEWIS, JAMES, L., JR, KNOBLOCH, VOLKER, R, CRAFTON, PAUL, M, FRENCH, IAN, CRAFTON, SCOTT, P, RUEGG, FRANZ
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY FOUNDRY MOULDING GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING
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Beschreibung
Zusammenfassung:	A method of processing a metal casting, comprising: Pouring a metal in molten form into a mold containing a core formed from a binder soluble in a fluid selected from water, steam, organic solvents, thermal oils and combinations thereof; retaining the metal within the mold for a time and to a temperature sufficient to at least partially solidify the metal so as to form the casting; placing the mold in a heat treatment station for heat treating the casting within the mold with the casting aligned in a defined, indexed position; and applying a flow of the fluid in which the binder is soluble at the casting to degrade a portion of the core and to heat treat the casting.