| 摘要 |
Conventionally, in a continuous casting machine, in which a curved mold is used, a bent strand is formed and is then straightened at a single straightening point or in a multi-point straightening zone. Since the vertical cooling-water channels are formed in the long-sided mold sections of a conventional curved mold, the distance DELTA l between the vertical cooling-water channels and the curved inner surfaces varies in the casting direction, with the result that breakout is likely to occur due to a nonuniform temperature distribution over the curved inner surfaces. According to the present invention, the longitudinal cooling-water channels (19f, 19 l , 26f, and 26 l ) extend virtually in accordance with the curved inner surfaces (9f, 9 l ) as seen in the vertical direction of the curved mold, thereby maintaining the temperature of the entire inner surface of the curved mold at 400 DEG C or less and effectively preventing breakout.
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