Method of manufacturing hollow billet and apparatus therefor

Details Method of manufacturing hollow billet and apparatus therefor Method of manufacturing hollow billet and apparatus therefor

1988-04-25

1989-10-24

Godici, Nicholas P.

Metal founding

Process

Shaping liquid metal against a forming surface

164421, 164444, 164475, 164487, B22D 1104

Patent

active

048755192

ABSTRACT:
A method and apparatus utilizing a core is located at a central portion of a molten metal storing portion in a vertical semi-continuous mold. The molten metal is poured into the molten metal storing portion, and casting takes place with the inner diameter of a solidified distal portion of the molten metal being controlled by a distal portion of the core. This approach provides a reliable method for the manufacture of high-quality hollow billets which are free from internal defects.

REFERENCES:
E. Lossak: Stranggiessen, 1986, Verlag DGM Informationsges, Oberursel, pp. 139-142; W. Schneider "Aluminium-Walzbarrenstrangguss mit Hot Top Kokillen".

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