Metal founding – Process – With measuring – testing – inspecting – or condition determination
Patent
1989-06-30
1991-05-28
Seidel, Richard K.
Metal founding
Process
With measuring, testing, inspecting, or condition determination
164413, 164477, 164451, B22D 1120, B22D 1116
Patent
active
050185691
ABSTRACT:
A method for continuous casting of thin slab ingots with reduced thickness following immediately the casting particularly of steel under utilization of a mold which is open at the bottom and under further utilization of roller pairs arranged along the withdrawal path, at least some of them are driven and at least some of the rollers are hydraulically adjustable perpendicular from the path so as to act as ingot deforming rolls. The invention is further improved by determining the speed of driven rollers, and the pressure force of adjustable roller pairs acting against the ingot and providing feedback control for the speed and the force. Additionally, providing a master control action for the speed control such that a point of solidification is dynamically maintained in a particular geometric position as far as the passing ingot is concerned; and by limiting the adjustment of rollers as far as the gap between pairs of such rollers is concerned downstream from that point.
REFERENCES:
patent: 3358743 (1967-12-01), Adams
patent: 4148349 (1979-04-01), Sumita et al.
Burau Armin
Eberhardt Hans-Georg
Ehrenberg Hans J.
Franzen Hans U.
Lenk Rainer
Mannesmann AG
Pelto Rex E.
Seidel Richard K.
Siegemund Ralf H.
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