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Simulation of combined rolling-extrusion process for round section billets in closed box caliber

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Abstract

The results of mathematical modeling of the process of combined rolling-extrusion (CRE) of a round billet in closed box calibers are presented. With the help of the created models, dependences were obtained and regularities were established for the influence of process parameters, as well as friction conditions at the contact of metal with rolls and a die on its feasibility. The variational problem of finding the geometric and energy-power characteristics of the investigated combined rolling-extrusion process from the dimensionless parameters of the deformation zone is solved. The analysis was carried out and dependences were obtained to determine the distance between the die and the common axis of the rolls, the coefficients of the stressed state and power in a wide range of change in dimensionless parameters that unambiguously characterize the deformation zone of the investigated process. Using the developed models, a quantitative assessment of the feasibility of the CRE process was carried out, the force and torque were calculated for the guaranteed implementation of combined rolling-extrusion, and the geometric dimensions of the roll and extruding tool for the combined processing units CRE-200 and CRE-400 were selected. Checking the adequacy of the developed mathematical models was carried out using experimental data on the production of rods from alloy 01417 on these units. Estimation of the error in the calculated values of the geometrical and energy-power parameters of the investigated CRE process showed that for the selected range of dimensionless parameters of the deformation zone, it does not exceed 10% in comparison with the experimental data.

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Funding

The research was carried out within the framework of the state assignment of the Ministry of Science and Higher Education of the Russian Federation (scientific theme code FSRZ-2020-0013).

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Authors and Affiliations

  1. Siberian Federal University, Krasnoyarsk, 660025, Russian Federation

    Denis Sergeevich Voroshilov, Sergey Borisovich Sidelnikov, Igor Lazarevich Konstantinov, Ekaterina Sergeevna Lopatina, Nikolay Nikolaevich Zagirov, Mikhail Mikhaylovich Motkov, Roman Ilsurovich Galiev, Vladimir Ivanovich Ber, Vadim Mikhaylovich Bespalov & Irina Nikolaevna Belokonova

  2. Institute of General and Inorganic Chemistry of the Academy of Sciences of Uzbekistan, Tashkent State Transport University, Tashkent, 100000, Uzbekistan

    Yulbarskhon Nabievich Mansurov

  3. Huanggang Normal University, Huangzhou District, Huanggang, 438000, Hubei, China

    Yulbarskhon Nabievich Mansurov

  4. LLC “Research and Production Center of Magnetic Hydrodynamics”, Krasnoyarsk, 660074, Russian Federation

    Mikhail Mikhaylovich Motkov

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  1. Denis Sergeevich Voroshilov
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  2. Sergey Borisovich Sidelnikov
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Voroshilov, D.S., Sidelnikov, S.B., Konstantinov, I.L. et al. Simulation of combined rolling-extrusion process for round section billets in closed box caliber. Int J Adv Manuf Technol 127, 2893–2910 (2023). https://doi.org/10.1007/s00170-023-11586-9

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