MOLD COATING AGGREGATE FOR VACUUM MOLDING CASTING MOLD

MOLD COATING AGGREGATE FOR VACUUM MOLDING CASTING MOLD

PURPOSE:To prevent gaseous defect by incorporating a specific amt. of aggregate having a specific grain size in a mold coating material thereby decreasing the air permeation resistance of said agent and sucking the combustion gas generated during casting to the sand side of the casting mold. CONSTIT...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: IYODA KICHIJI, EZAKI MOTOYASU, ISONO AKIO, TOMONAGA JIYUNICHI, CHIKADA YOSHIO
Format: Patent
Sprache:eng
Schlagworte:
CASTING
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:PURPOSE:To prevent gaseous defect by incorporating a specific amt. of aggregate having a specific grain size in a mold coating material thereby decreasing the air permeation resistance of said agent and sucking the combustion gas generated during casting to the sand side of the casting mold. CONSTITUTION:Mold coating aggregate for a vacuum molding casting mold contg. 0-15% aggregate having >=150mu particle size, 35-65% aggregate having 40-150mu particle size and 35-50% aggregate having