MAGNESIUM POURING DEVICE

PURPOSE:To prevent oxidation and combustion of molten magnesium by inserting a lift cylinder between a top plate and crucible flange and providing a sealing means for atmosphere shut out between a top plate and crucible. CONSTITUTION:A hydraulically actuated lift cylinder 60 is inserted between a to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AKEMOTO HARUO, EMURA TOSHIO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING OVENS PERFORMING OPERATIONS POWDER METALLURGY RETORTS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent oxidation and combustion of molten magnesium by inserting a lift cylinder between a top plate and crucible flange and providing a sealing means for atmosphere shut out between a top plate and crucible. CONSTITUTION:A hydraulically actuated lift cylinder 60 is inserted between a top plate 4 and crucible flange at the top of a crucible 2 and is structured so that the top plate 4 is vertically moved. By actuating an injection cylinder 11 to lower an injection piston 6, a molten magnesium is supplied into a die cast sleeve 20. By shortening a distance between the lower end of discharge part 14 and the liquid level of sleeve 20, further by covering the lower end of discharge part 14 with the sleeve 20, contact between the molten metal supplied and atmosphere is reduced so as to greatly reduce oxidation and combustion. Also, for air sealing inside the crucible 2, a expandable bellow seal 62 is arranged.