Abstract—A new method of rolling rails on universal rail-rolling mills equipped with a continuously reversible group of stands is discussed. A relation is obtained to calculate the slopes of the lateral faces of the horizontal rolls in universal four-roll passes, including a prefinishing pass, as functions of the slopes of the corresponding lateral faces of the horizontal rolls in a finishing universal three-roll pass. The influence of the new rolling method on the quality of the section geometry, the straightness of rails, and the wear of the horizontal rolls in a finishing universal stand is shown.
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Translated by K. Shakhlevich
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Dorofeev, V.V., Yunin, G.N., Golovatenko, A.V. et al. Improvement of the Technology of Rolling Rails in Universal Stands on Modern Rail Rolling Mills. Russ. Metall. 2022, 1801–1805 (2022). https://doi.org/10.1134/S0036029522130079
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DOI: https://doi.org/10.1134/S0036029522130079