METHOD FOR MANUFACTURE OF CAST IRON CHILL MOLD

METHOD FOR MANUFACTURE OF CAST IRON CHILL MOLD

foundry. SUBSTANCE: method involves forming cavity in refractory mold by using predetermined pattern; placing fusible insert made from, for example, aluminum; rigidly fixing insert by pins for imparting stability and preventing insert from floating up; pouring liquid cast iron in flat flow having te...

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Bibliographische Detailangaben
Hauptverfasser: SHUBINA M.V, SHUBIN I.G, VDOVIN K.N, KOLOKOL'TSEV V.M
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 forming cavity in refractory mold by using predetermined pattern; placing fusible insert made from, for example, aluminum; rigidly fixing insert by pins for imparting stability and preventing insert from floating up; pouring liquid cast iron in flat flow having temperature of 1,240-1,260 C and at rate of rise of cast iron in mold within the range of 18-22 mm/s. Method provides uniform heating of insert and formation of zone having uniform thickness and fine-grained structure of metal at cast iron and insert reaction zone. EFFECT: increased efficiency, provision for precise configuration and improved quality of cast cavity. 3 dwg