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TECHNICAL PAPERS

Modeling and Closed-Loop Control of Stretch Bending of Aluminum Rectangular Tubes

[+] Author and Article Information
Hong Zhu, Kim A. Stelson

Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455

J. Manuf. Sci. Eng 125(1), 113-119 (Mar 04, 2003) (7 pages) doi:10.1115/1.1536659 History: Received February 01, 2002; Revised July 01, 2002; Online March 04, 2003
Copyright © 2003 by ASME
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References

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El-Domiaty,  A. A., and Elsharkawy,  A. A., 1998, “Stretch Bending Analysis of U-Section Beams,” Int. J. Mach. Tools Manuf., 38(1–2), pp. 75–95.
Elsharkawy,  A. A., and El-Domiaty,  A. A., 2001, “Determination of Stretch-bendability Limits and Springback for T-section Beams,” J. Mater. Process. Technol., 110, pp. 265–276.
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Clausen,  A. H., Hopperstad,  O. S., and Langseth,  M., 1999, “Stretch Bending of Aluminum Extrusions: Effect of Geometry and Alloy,” J. Eng. Mech., April, pp. 392–400.
Clausen,  A. H., Hopperstad,  O. S., and Langseth,  M., 1999, “Stretch Bending of Aluminum Extrusions: Effect of Tensile Sequence,” J. Eng. Mech., May, pp. 521–529.
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Figures

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Rectangular thin-walled tube: (a) deformed tube; (b) cross-section of the tube
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Simplified two-flange model
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Strain history for “stretching-bending-stretching”
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Strain and stress distribution along height in the cross-section
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Effect of tension on springback

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