"Rolling Method For Shape Steel And Apparatus For Producing The Same"

Abstract: A rolling method, and an apparatus therefor, capable of improving a fundamental unit of rolling rclls, dimensional accuracy and roiling stability, and having high productivity are described. The rolling method, and the apparatus therefor, reverse roll a to-be-rolled material having a dog bone-like shape and rough rolled by a single or plurality of breakdown mills BD, etc, by using an intermediate universal mill UR for carrying out X-shape rolling, a quick shift edger mill QE having a plurality of box calibers having different sizes, for carrying out edging rolling by quickly shifting one of the box calibers corresponding to a pass schedule, and a finish universal mill UF for carrying out H-shape rolling for raising flanges on both sides.

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