Deformation analysis of asymmetric break-down rolling of hollow steel
Abstract
Purpose
The purpose of this study is to focus on numerical simulation investigations of deformation analysis of asymmetric break-down rolling of a hollow steel, which seriously affects the service life of the final product.
Design/methodology/approach
The 3D rigid-plastic thermo-mechanical coupled finite element method (FEM) for a large strain was used to analyze metal deformation in the deformation zone for asymmetric rolling with different roller diameters.
Findings
The distribution of stress, strain and dimension accuracy for different diameters was obtained. The results show that the additional shear strain which is different from the normal compression deformation is generated in an asymmetric rolling process. The higher the ratio between upper and lower diameters, the greater the additional shear deformation.
Originality/value
Asymmetric rolling is an important factor affecting the dimensional accuracy of the hollow steel. This study can provide a theoretical basis for developing a reasonable rolling process of the hollow steel.
Acknowledgements
This work was supported by the Natural Science Foundation of Hebei Province (E2016402111, E2016402096) and the Science and Technology Research Youth Fund of Colleges and Universities in Hebei Province (QN2015137).
Citation
Yan, T., Qin, N., Zhao, S., Ma, L. and Yu, E. (2017), "Deformation analysis of asymmetric break-down rolling of hollow steel", World Journal of Engineering, Vol. 14 No. 6, pp. 483-488. https://doi.org/10.1108/WJE-09-2016-0091
Publisher
:Emerald Publishing Limited
Copyright © 2017, Emerald Publishing Limited