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Continuous caster fan-shaped segment with high-pressure reduction at the solidified end of continuous cast slab and its high-pressure reduction method
Continuous caster fan-shaped segment with high-pressure reduction at the solidified end of continuous cast slab and its high-pressure reduction method
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机译：连铸板坯凝固端高压降连铸机扇形段及其高压降压方法
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摘要
The present invention provides a continuous casting machine fan-shaped segment in which a solidified end of a continuous casting slab is high-pressure reduced and a method for high-pressure reduction thereof, wherein the continuous casting machine fan-shaped segment is located in a fan-shaped segment, an upper frame, a lower frame Including frame, upper drive roller, lower drive roller, left driven roller group, right driven roller group, reduction device and clamp cylinder, clamp cylinder clamps upper frame and lower frame to maintain the set interval The upper drive roller is connected to the reduction device, the upper drive roller is connected to the upper frame via the bearing pedestal, the lower drive roller is connected to the lower frame via the bearing pedestal, the left driven roller group and the right driven roller Each group is located on both sides of the driving roller, and the left driven roller group is used to clamp the cast slab before rolling, the right driven roller The group is used to clamp the cast slab after the reduction, and the ratio of the driving roller diameter to the driven roller diameter is 1.1: 1 to 2: 1. The deformation permeability of the present invention is increased, which corresponds to deformation of one rolling pass of a two-stage rolling mill having a large roller diameter, and further helps to improve the loosening and segregation of the central region of the continuous cast slab. [Selection] Figure 1
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