We designed and produced a working model of new four-roll mill with the use of additive technologies. The model has two driven working rolls and two driven auxiliary rolls for screw rolling of round billets. Plasticine billets were rolled in the model mill to show that the four-roll screw rolling is possible. The experimental rolling was simulated by using the QForm software. The accuracy of computer simulations was estimated by comparing the dimensions of the billets obtained after rolling and as a result of computer simulations. We simulated the procedure of rolling of a round billet of alloyed steel both in a four-roll mill and in a three-roll mill with radial-shear rolling. According to the results of computer simulations, it was shown that the variations of the diameter along the length of the billet and the total work required to realize shape-forming are lower for the four-roll mill.
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Translated from Metallurg, Vol. 62, No. 7, pp. 15–20, July 2018.
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Romantsev, B.A., Huy, T.B., Skripalenko, M.M. et al. Investigation of the Process of Screw Rolling in a Four-Roll Stand by Simulation. Metallurgist 62, 618–626 (2018). https://doi.org/10.1007/s11015-018-0700-4
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DOI: https://doi.org/10.1007/s11015-018-0700-4