During stretch bending, considerable springback will occur after a tube has been plastically bent. To predict the springback, a simplified two-flange model for stretch bending of a rectangular tube has been developed in which the strain history has been considered. A comparison has been made between the springback predicted by this model and experimental data, which shows rough agreement. Based on this model, a real time closed-loop control algorithm is developed.
Modeling and Closed-Loop Control of Stretch Bending of Aluminum Rectangular Tubes
Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received Feb. 2002; Revised July 2002. Associate Editor: R. Smelser.
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Zhu, H., and Stelson, K. A. (March 4, 2003). "Modeling and Closed-Loop Control of Stretch Bending of Aluminum Rectangular Tubes ." ASME. J. Manuf. Sci. Eng. February 2003; 125(1): 113–119. https://doi.org/10.1115/1.1536659
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