Study on Production Mechanism of End Concavity in Cross Wedge Rolling

Abstract:

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End concavity controlled effectively is one of important factors to achieve no material loss end of workpiece in cross wedge rolling (CWR). In the paper, nonlinear finite element modeling(FEM) for the process of CWR is presented with the aid of DEFORM software. The production mechanism of concavity on the end of rolled-piece is analyzed by displacement method, grid method and axial strain method. The reason of concavity is obtained that the surface metal flows faster than the center and the metal deformation in axle is uneven. The study is significant to avoid end concavity and realize no material loss end for rolled-piece.

Info:

Periodical:

Advanced Materials Research (Volumes 314-316)

Edited by:

Jian Gao

Pages:

468-472

DOI:

10.4028/www.scientific.net/AMR.314-316.468

Citation:

X. H. Wei and X. D. Shu, "Study on Production Mechanism of End Concavity in Cross Wedge Rolling", Advanced Materials Research, Vols. 314-316, pp. 468-472, 2011

Online since:

August 2011

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Price:

$35.00

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