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Roller apron for beam blank and rectangular slab in continuous casting equipment
Roller apron for beam blank and rectangular slab in continuous casting equipment
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机译：连铸设备中用于束坯和矩形板坯的辊子胶圈
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摘要
In curved continuous casting facilities, a roller apron is fabricated with upper and lower web rolls supported by upper and lower movable frames respectively to support the upper and lower surfaces of a web portion of a beam blank, in which the upper web rolls also support the upper surface of a rectangular strand such as a bloom; rectangular-piece rolls supported by a fixed frame to support the lower surface of a rectangular casting strand; wherein the lower web rolls can be retracted when the rectangular strand such as the bloom is being cast, and the upper and lower web rolls support their corresponding surfaces of the web and concurrently the rectangular-strand rolls support both flange-end portions of the beam blank. Consequently, tension sides of the beam blank and the rectangular strand such as bloom are positively supported to prevent problems, such as bulging, which occur during casting.
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