Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1986-06-12
1988-01-19
Lin, Kuang Y.
Metal founding
Process
Shaping liquid metal against a forming surface
164463, 164474, 164475, 164479, B22D 1106
Patent
active
047199636
ABSTRACT:
The invention relates to a process and apparatus for the casting of metal strands, more particularly in the form of strips. The molten metal emerging from a slotted die 2 is applied to the cooling surface of a cooling member 1 which is moved past the slotted die 2. Allowing for the law of solidification, at the start of casting the strip outlet side die lip is gradually increased from a minimum distance from the cooling surface to the required final distance in such a way that the free gap between the wedge-shaped developing solidification front of the cast strip 7 and the die lip 5 remains small enough to prevent the molten metal from flowing out through the gap in an uncontrolled manner. The end face edge of the slotted die 2 can be borne via one or more gas cushions on the cooling surface and the free surface of the cast strand.
REFERENCES:
patent: 2171132 (1939-08-01), Simons
patent: 4285386 (1981-08-01), Narasimhan
patent: 4290476 (1981-09-01), Smith et al.
patent: 4386648 (1983-06-01), Hilzinger et al.
patent: 4479528 (1984-10-01), Maringer
patent: 4485839 (1984-12-01), Ward
Dziura Peter
Schenk Horst
Lin Kuang Y.
Sundwiger Eisenhutte Maschinenfabrik Grah & Co.
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