METHOD OF BELL CASTING FROM TIN BRONZE

METHOD OF BELL CASTING FROM TIN BRONZE

FIELD: nonferrous metallurgy, in particular casting of bells. SUBSTANCE: method includes melting of metal, mixing of molten metal, its pouring into mold and casting crystallization. All melting operations are carried out in vacuum at residual pressure of mm Hg. Melt mixing is effected by induced cur...

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Hauptverfasser: KORABLEV V.I, KHIMAKOV M.G, SHINGAREV EH.N, DUBIKOV A.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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creator KORABLEV V.I
KHIMAKOV M.G
SHINGAREV EH.N
DUBIKOV A.A
description FIELD: nonferrous metallurgy, in particular casting of bells. SUBSTANCE: method includes melting of metal, mixing of molten metal, its pouring into mold and casting crystallization. All melting operations are carried out in vacuum at residual pressure of mm Hg. Melt mixing is effected by induced currents. Melt is poured into long-service graphite mold at optimal speed. Mold is preliminarily heated to temperature not below 400 C. During casting crystallization in mold, metal is additionally fed to bring shrink hole to sink head. EFFECT: manufacture of bells without gas and shrinkage porosity, nonmetallic inclusions and with fine-grained solid structure, and splendid, clear and melodious ringing. 2 cl
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subjects CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
title METHOD OF BELL CASTING FROM TIN BRONZE
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