Large reduction method for solidification tail end of small square billet continuous casting machine
The invention discloses a large reduction method for a solidification tail end of a small square billet continuous casting machine. The method comprises the following steps: rolling a casting billet by using a reduction device; the temperature of a casting blank tundish is 1485-1495 DEG C; the press...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a large reduction method for a solidification tail end of a small square billet continuous casting machine. The method comprises the following steps: rolling a casting billet by using a reduction device; the temperature of a casting blank tundish is 1485-1495 DEG C; the pressing temperature of the casting blank is 930-950 DEG C; the pulling speed is 2.8 to 3.0 m/min; the rolling reduction is 20-25 mm; the pressing device comprises a hydraulic system, a mounting base, side plates, an upper pressing roller and a lower pressing roller, the side plates are arranged on the two sides of the mounting base respectively and are perpendicular to the upper surface of the mounting base, a connecting mechanism is arranged between the two side plates in a sliding mode, the upper end of the connecting mechanism is connected with the hydraulic system, and the upper pressing roller is located over the lower pressing roller; according to the casting blank pressing device, deformation distribution of a p |
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