Numerical Simulation of Distortion of Rectangular Tube with Multi-Point Stretch Bending

Xian Feng Chen; He Li Peng; Yong Yuan

doi:10.4028/www.scientific.net/AMR.1095.777

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1095Numerical Simulation of Distortion of Rectangular...

Numerical Simulation of Distortion of Rectangular Tube with Multi-Point Stretch Bending

Abstract:

The concept of multi-point stretch bending of rectangular tube is proposed, and the FEM of rectangular tube with multi-point stretch bending is set up. The phenomenon of section distortion of rectangular tube generated by stretch bending is analyzed. The feasibility of integral die repalced by multi-point die used for stretch bending of rectangular tube is proved by comparing the section distortion value. Numerical simulation of distortion value of rectangular tube with different materials, bending radius and thickness are carried out through mutli-point stretch bending, the results show that the larger the yield strength of rectangular tube is or the larger the bending radius is or the thicker the rectangular tube is, the smaller the distortion value of rectangular tube will be. Then the method of filling pressure is applied to decrease the distortion of rectangular tube, and the results shows that larger the filling pressure is, the smaller the distortion value will be.

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Periodical:

Advanced Materials Research (Volume 1095)

Pages:

777-780

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1095.777

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Online since:

March 2015

Authors:

Xian Feng Chen, He Li Peng*, Yong Yuan

Keywords:

Distortion, Multi-Point Die, Numerical Simulation, Rectangular Tube, Stretch Bending

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