MATEC Web of Conferences
Volume 26, 20152015 3rd Asia Conference on Mechanical and Materials Engineering (ACMME 2015)
|Number of page(s)||4|
|Section||Mechanical design and manufacturing|
|Published online||12 October 2015|
Finite Element Analysis of Symmetric and Asymmetric Three-roll Rolling Process
Nosov Magnitogorsk State Technical University, 38, Lenin prospect, Magnitogorsk, 455000, Russia
A three-roll process is a significant technique in the production of wire rod, round bars and hexagonal profiles for structural applications. Better mechanical properties of wire rod, round bars and hexagonal profiles can be achieved due to large plastic deformation by the three-roll process. Asymmetric rolling is a novel technique characterised by a kinematic asymmetry linked to the difference in peripheral speed of the rolls, able to introduce additional shear strains through the bar thickness. In order to achieve this, asymmetrical three-roll rolling process was investigated to better control the deformation compared to the conventional three-roll rolling process in a stand with two three-roll calibers located very close to each other. Simulation of round-triangle-triangle pass rolling was performed. FEM simulations were carried out with using software DEFORM 3D. The influence of the friction coefficient and speed asymmetry on the shear strain and material flow was discussed. The results of simulation can be used to optimize the asymmetric three-roll rolling process to improve the mechanical properties of wire rod, round bars and hexagonal profiles.
© Owned by the authors, published by EDP Sciences, 2015
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