A 3D Slab Method in Cold Strip Rolling

Ren, Hong Bin; Liu, Cheng; D’Alessio, Giovanni

doi:10.4028/0-87849-990-3.1279

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2006

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“…To obtain the strip profile and edge drop, the present 3D slab method model is coupled with the roll stack deformation model and thermal model developed by the authors [9]. The edge drop is also analyzed in this paper.…”

Section: Mathematical Modelmentioning

confidence: 99%

A 3D Slab Method in Cold Strip Rolling

Ren

Tieu

Lü

et al. 2006

MSF

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In this paper, a 3D slab method model has been developed. Two differential equations governing the longitudinal and transverse force equilibriums coupled with the Von Mises yield criterion have been solved to obtain the rolling pressure distribution. The strip speed is calculated according to the volume constancy. The Coulomb friction law with different frictional coefficient and speeds were applied to the longitudinal and transverse direction. Coupled with the roll stack deformation model and thermal model, the developed 3D slab method model was used to predict the strip profile and edge drop. The effects of bending force, reduction and transverse friction on the strip profile and edge drop have been discussed in this paper. The calculated result predicted by the 3D slab method is in very good agreement with measured results. The results have shown that the large bending force, small reduction and small friction will improve the strip profile and reduce the edge drop.

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Section: Mathematical Modelmentioning

confidence: 99%