Analysis on Multi-taper Billet Mould

Zhang Haihui; Liu Jianmin; Liu Zengxun; An Zhenliang

Volume 33 Issue 3

Jun. 2012

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Zhang Haihui, Liu Jianmin, Liu Zengxun, An Zhenliang. Analysis on Multi-taper Billet Mould[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(3): 53-58.

Citation:

Zhang Haihui, Liu Jianmin, Liu Zengxun, An Zhenliang. Analysis on Multi-taper Billet Mould[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(3): 53-58.

Zhang Haihui, Liu Jianmin, Liu Zengxun, An Zhenliang. Analysis on Multi-taper Billet Mould[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(3): 53-58.

Citation:

Zhang Haihui, Liu Jianmin, Liu Zengxun, An Zhenliang. Analysis on Multi-taper Billet Mould[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(3): 53-58.

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Analysis on Multi-taper Billet Mould

1. College of Metallurgy and Energy, Hebei United University, Tangshan 063009, Hebei, China;
2. Shijiazhuang Design Institute, Sinosteel Group, Shijiazhuang 050021, Hebei, China

Received Date: 2011-10-18

Abstract

Abstract

Based on stress inheriting characteristic of the billet shell in continuous casting,a thermo-mechanical coupling model of billet is established.Heat transfer and stress fields of the billet in the mould is analyzed by the finite element software ANSYS.The mould taper is optimized according to principle of minimum air gap and the influence of single-taper and multi-taper on solidification behavior of the billet shell in the mould is analyzed.The results show that under these two tapers,the solidification behaviors are obviously different in the corner area of the billet but basically the same in the central area.In the single-taper mould,the air gap spreads widely and heat flow remarkably reduces in the corner area;"hot spots" appear at the area around 12~22 mm away from the corner.In the multi-taper mould,the width and distribution of air gap significantly decrease and there are no "hot spots" in existence,which demonstrates multi-taper mould is more consistent with the solidification shrinkage law of the billet shell.
- multi-taper mould,
- thermo-mechanical coupling,
- air gap,
- inheriting stress

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