| 摘要 |
Invention relates to machine building, in particular - to the construction of rolling mill for production of thin hot-rolled strip. Rolling mill for production of thin hot-rolled strip, comprising heating furnace, transport and working roller conveyers, rough reversible cage, rolling device, flying cutting shears, finishing continuous rolling group, consisting of several stands, group of winders for winding of strip into the cylinder. The table is also equipped with additional reversible roughing stand mounted between roughing reversible stand and rolling device with formation of continuous reversible rolling group with said roughing stand, in this case, the distance from additional reversible roughing stand to the rolling device is selected from the condition, that it is determined by the length of strip obtained in the first roughing cut through the continuous roughing reversible rolling group according to the formula: , where L - distance between the additional reversible roughing stand and rolling device, L??????. - length of strip in the first roughing pass, Vn - speed of the motion of strip at rolling, a - slowing of movement at braking of the strip. Invention provides for improvement of the quality of thin hot-rolled strips.
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