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TECHNICAL PAPERS

Deformation Analysis of Side-Wall Curl in the Sheet-Metal Forming of Flanged Channels

[+] Author and Article Information
Fuh-Kuo Chen, Pao-Ching Tseng

Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan, R.O.C.

J. Manuf. Sci. Eng 127(2), 369-375 (Apr 25, 2005) (7 pages) doi:10.1115/1.1794163 History: Received August 23, 2002; Revised March 26, 2004; Online April 25, 2005
Copyright © 2005 by ASME
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References

Figures

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Simulated side-wall curl shape
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Flow chart of the numerical procedure
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Friction model for the sliding region
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Differential element subjected to a virtual displacement
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Free-body diagram for a differential element
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Deformation model of sheet metal drawn over the die shoulder
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Measure of side-wall curl
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Forming of a flanged channel
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Side-wall curls for various blank-holder forces (BHF)
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Side-wall curls for various friction coefficients (μ)
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Side-wall curls for various sheet thicknesses (t)
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Side-wall curls for various die radii (Rd)
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Side-wall curls for various punch radii (Rp)

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