Method and device for commencing a casting process

Details Method and device for commencing a casting process Method and device for commencing a casting process

2007-01-02

2007-01-02

Tran, Len (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S480000

Reexamination Certificate

active

10527533

ABSTRACT:
To start up a casting operation in a two-roll casting device without the use of a start-up strand, the method comprises setting an operating casting thickness and rotating the casting rolls at a casting-roll circumferential velocity which corresponds to a starting casting velocity, which is lower than a steady-state operating casting velocity, feeding metal melt into a melt space formed by the rotating casting rolls and the side plates to form a cast metal strip with a substantially constant, predetermined cross-sectional format while at the same time increasing the casting velocity to a strip-forming casting velocity, then increasing the casting velocity to a strip-separating casting velocity, which is significantly higher than a casting velocity which is sufficient for the prevailing full solidification conditions, and separating off the metal strip which has been cast thus far, setting a steady-state operating casting velocity, diverting the subsequent cast metal strip to a strip-conveying device and commencing steady-state casting operation.

REFERENCES:
patent: 4719960 (1988-01-01), Grothe et al.
patent: 4787437 (1988-11-01), Kursfeld
patent: 0138059 (1984-09-01), None
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patent: 01/21342 (2001-03-01), None
International Search Report for PCT/EP03/09110 dated Nov. 18, 2003.

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