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01.09.2018 | Original Paper | Ausgabe 9/2018

Journal of Iron and Steel Research International 9/2018

Influence of lateral displacement on strip shape during cold rolling

Zeitschrift:
Journal of Iron and Steel Research International > Ausgabe 9/2018
Autoren:
Zhong-kai Ren, Hong Xiao, Hong-biao Xie, Xiao Liu

Abstract

The theory of metal plastic deformation is an important part of the strip shape control theories. In order to control the shape and gauge accurately during cold thin strip rolling, the mechanism of the metal lateral flow must be revealed clearly. Therefore, the lateral displacement of thin strip was studied by the grid method. Those grids with a line thickness of 10 µm and clear boundaries were successfully manufactured on the strip surface using lithography. Then, the effects of reduction, front and back tension, and taper angle of the first intermediate roll on the metal lateral flow were studied. The strip shape was calculated with and without considering the lateral displacement; furthermore, the calculations were compared with the measured results. The results show that the calculations with considering the lateral displacement are closer to the measured results. In addition, the comparison of finite element analysis results with the experimental results indicates that the test method was reliable.

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