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TECHNICAL PAPERS

Mechanics of Die-less Asymmetric Rolling for Fabrication of Compound Curved Plates

[+] Author and Article Information
Jong-Gye Shin, Yang-Ryul Choi

Dept. of Naval Architecture and Ocean Engineering, Seoul National University, Seoul, 151-742, Korea

Hyunjune Yim

Dept. of Mechanical Engineering, Hongik University, Seoul, 121-791, Korea

J. Manuf. Sci. Eng 125(4), 787-793 (Nov 11, 2003) (7 pages) doi:10.1115/1.1616950 History: Received August 01, 2002; Revised May 01, 2003; Online November 11, 2003
Copyright © 2003 by ASME
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References

Figures

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Deformed shape of plate computed through three-dimensional finite element analysis
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Distribution of normal strain, εyy, along Section A-A
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Vertical displacement, uz, along Section B-B
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Distribution of normal strain, εxx, along Section B-B
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Die-less asymmetric rolling: (a) initial setup, and (b) rolling process
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Geometry of deformation in two-dimensional problem
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Free body diagram of an infinitesimal slab element
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Distribution of bending moment computed from analytical model
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Compound curvature generated due to roller radius asymmetry
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Procedure of finite element analysis
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Comparisons of numerical and experimental results for average residual radius of curvature: (a) for various ratios of roller radii, and (b) for various ratios of roller velocities
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Three-dimensional problem analyzed using finite element method
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Vertical displacement, uz, along Section A-A: (a) for various cases of roller radius asymmetry, and (b) for various cases of roller width asymmetry

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