METHOD AND APPARATUS FOR MANUFACTURING CASTING

PURPOSE:To produce a casting having little influence to solidified shrinkage at center part and excellent internal quality without any contamination and entrapment of gas. CONSTITUTION:In casting, molten metal 16 poured into a water-cooled copper- made mold 3 is heated by induction-heating with an i...

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Bibliographische Detailangaben
Hauptverfasser:	DEMUKAI NOBORU, ICHIYANAGI SHINGO
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FOUNDRY MOULDING PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To produce a casting having little influence to solidified shrinkage at center part and excellent internal quality without any contamination and entrapment of gas. CONSTITUTION:In casting, molten metal 16 poured into a water-cooled copper- made mold 3 is heated by induction-heating with an induction heating coil 11, and after eliminating bubbles of gas, etc., by partially delaying solidification of the molten metal 16 with the above induction-heating, the induction-heating is stopped and the molten metal is solidified in the above mold 3.