FIELD: process engineering.
SUBSTANCE: proposed method comprises preparing ingot with two large flat sides and, at least, one moulded end. Proposed rolling process that rules out crack formation consists in that one moulded end has two opposite surfaces converging in said ingot in direction toward said end and located in rolling direction at 2°-20° to said direction extending to said end. Note here that the latter has curved surface conjugate with said converging surfaces and located across said rolling direction to produce said moulded end. Casting equipment has tanks of appropriate shape.
EFFECT: ruling out crosswise cracks in rolling.
17 cl, 14 dwg
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