FIELD: foundry. SUBSTANCE: mold is filled with liquid metal. After hardening in upper part of mold of metal layer of preset thickness of shell wall, metal is drained through draining hole. Draining is executed for the time equals to difference of duration of shell wall hardening at its upper and lower end faces. EFFECT: higher quality of shells and reduced labor input in manufacture of parts. 2 cl, 1 dwg
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