Study on Influence of End Concavity of Rolled Piece by Billet Circular Arc Angle with CWR

Bin Hu; Xue Dao Shu; Zhe Hong

doi:10.4028/www.scientific.net/AMM.599-601.478

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 599-601Study on Influence of End Concavity of Rolled...

Study on Influence of End Concavity of Rolled Piece by Billet Circular Arc Angle with CWR

Abstract:

In order to solve the stub bar defects and improve the material utilization, this paper proposes the method of using billet with circular arc shape on the end face to control the end concavity. It establishes the cross wedge rolling finite element model by DEFORM-3D software, and through the displacement method to analyze the flow law of metal of rolled piece on the end face, and obtains the influence law of end concavity with different circular arc angles by numerical simulation. Finally, it gets the result that the end concavity length decreases with the increase of the circular arc angle. In comparison with the original billet, when the angle is 90°, the end concavity of rolled piece reduces by 69.04%. The results provide a theoretical basis for saving material and achieving the cross wedge rolling production without the stub bar.

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Periodical:

Applied Mechanics and Materials (Volumes 599-601)

Pages:

478-481

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.599-601.478

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Cite this paper

Online since:

August 2014

Authors:

Bin Hu*, Xue Dao Shu, Zhe Hong

Keywords:

Circular Arc Angle, Cross Wedge Rolling, End Concavity

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