Abstract
The capture conditions for an H-beam blank by the grooved rollers in the 1300 reduction stand of a universal beam mill at Nizhny Tagil metallurgical works are considered. The stress–strain state of the metal in the deformation regions on rolling the beam in the roller grooves of the reduction stand is investigated. The calculation results are presented as the distribution of the contact normal and tangential stress in the deformation regions as the H-beam blank is captured by the rollers. The normal tensile stress in the wall of the Hbeam blank is no more than 52 MPa. In the deformation regions of the crosspieces and at their junction with the wall, the normal contact stress is compressive. That indicates a stress state favorable in terms of H-beam quality, with high compressive stress. A method is developed for calculating the dynamic loads in the drive line of the 1300 reduction stand, with allowance for the gaps in the spindle joints.
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Original Russian Text © O.S. Lekhov, E.Yu. Raskatov, 2016, published in Izvestiya VUZ. Chernaya Metallurgiya, 2016, No. 4, pp. 221–225.
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Lekhov, O.S., Raskatov, E.Y. Capture of an H-beam blank by the rollers in the reduction stand of a 1300 universal beam mill. Steel Transl. 46, 237–240 (2016). https://doi.org/10.3103/S0967091216040057
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DOI: https://doi.org/10.3103/S0967091216040057