Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1997-01-22
1998-07-14
Lin, Kuang Y.
Metal founding
Process
Shaping liquid metal against a forming surface
1643381, B22D 2704
Patent
active
057789614
ABSTRACT:
During the simultaneous casting and directional solidification of several castings in pre-heated casting moulds (11), these standing around a central cavity (H) on a ring-shaped cooling plate (5) after pouring off are continuously removed from a heating chamber (14) by a vertical movement relative to the heating chamber in accordance with the solidification temperature and the castings are cooled by heat radiation to below the solidus temperature. In order to increase the production rate and the product quality, the casting moulds (11) are moved over a firm heat sink (9) during the directional solidification by continuous relative movement of the cooling plate (5), said heat sink thereby penetrating into the cavity (H).
REFERENCES:
patent: 3845808 (1974-11-01), Higginbotham
patent: 4773467 (1988-09-01), Graham et al.
patent: 5275227 (1994-01-01), Staub
patent: 5568833 (1996-10-01), Frasier
Investment Casting Institute, Proceedings--42nd Annual Technical Meeting Sep. 25-28, 1994; Directional And Single Crystal Solidification Using Liquid Metal Cooling, F. Hugo, H. Mayer, R.F. Singer, Paper No. 9.
Investment Casting Institute: 42nd Annual Technical Meeting 1994 "Directional And Single Crystal Solidification Using Liquid Metal Cooling"; F. Hugo, H. Mayer, R.F. Singer, pp. 9:1 to 9:12.
Betz Ulrich
Hugo Franz
Ald Vacuum Technologies GmbH
Lin Kuang Y.
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