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Research on the Curvature Radius of Roller-Trace in the Forming Process of Conventional Spinning

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Abstract:

Based on the 3D FE model of conventional spinning, the influence of curvature radius of roller-trace on the conventional spinning process has been studied. It is found that when the curvature radius of roller-trace is smaller, the maximum of thinning rate and hoop compressive stress increases dramatically with the increasing of the radius, and curvature radius does little effect on the forming process when it is up to a critical value. To obtain a more reasonable selection criterion of curvature radius of roller-trace, a new index named flange width has been put forward， which represents the comprehensive effect of workpiece diameter and mandrel diameter in the forming process of conventional spinning. Further research has been done and the selection criterion of curvature radius is obtained: the smaller the flange width is or the larger the workpiece thickness or the entry tangential angle is, the larger the range of reasonable curvature radius is.

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Periodical:

Materials Science Forum (Volumes 532-533)

Pages:

277-280

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.532-533.277

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Online since:

December 2006

Authors:

Fei Ma, He Yang, Mei Zhan

Keywords:

ABAQUS/Explicit, Conventional Spinning, Curvature Radius of Roller-Trace, Finite Element Model (FEM)

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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References

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