METHOD FOR KNOCKING CASTING FROM DISPENSABLE CASTING MOLD

foundry. SUBSTANCE: method involves destructing sand mixture by exposing to vibration created by alternating electromagnetic field, which results in occurrence of resonance vibration of casting due to the fact that electromagnetic field has vibration frequency coinciding with natural vibration frequ...

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Bibliographische Detailangaben
Hauptverfasser:	EVSTIGNEEV A.I, KOZIN V.M, DMITRIEV EH.A
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING
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Beschreibung
Zusammenfassung:	foundry. SUBSTANCE: method involves destructing sand mixture by exposing to vibration created by alternating electromagnetic field, which results in occurrence of resonance vibration of casting due to the fact that electromagnetic field has vibration frequency coinciding with natural vibration frequency of casting. Anticoincidence of natural vibration frequency of sand mixture and casting causes development of normal and tangential voltages at sand mixture-casting boundary line to result in creation of destructing force. EFFECT: simplified method and increased efficiency in knocking down of casting from casting mold. 1 dwg