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Abstract
In this study, mathematical models of helical rolling under various deformation regimes were built using the Deform-3D software package. Stress-strain behavior after all studied regimes were compared in dependence with technological rolling parameters and geometrical characteristics of helical rolls. Obtained results defined that helical rolling provides appearance of macroshear deformation in transverse and longwise direction of workpiece and high value of strain intensity defines both during rolling in helical rolls and subsequent flattening. Appearance of multidirectional macroshear deformation seems to provide the increase of technological plasticity, additional melting of cast macrostructure, reduction of transverse anisotropy and decrease the energy-power parameters of longitudinal rolling.
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