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Determination of Loading Path for Warm Tube Hydroforming of Diamond Shaped Parts

[+] Author Affiliations
Wei Chen, L. C. Chan, T. C. Lee

Hong Kong Polytechnic University, Hong Kong, China

Paper No. MSEC2011-50254, pp. 583-587; 5 pages
doi:10.1115/MSEC2011-50254
From:
  • ASME 2011 International Manufacturing Science and Engineering Conference
  • ASME 2011 International Manufacturing Science and Engineering Conference, Volume 1
  • Corvallis, Oregon, USA, June 13–17, 2011
  • ISBN: 978-0-7918-4430-4
  • Copyright © 2011 by ASME

abstract

This paper aims to present an optimization process for three different types of loading paths studied in the numerical simulation of tube hydroforming of diamond-shaped sheet products. These three different types of loading paths werestudied in a numerical simulation of tube hydroforming of diamond-shaped products. The loading paths by which the best final shapes were obtained in the simulation were adopted in actual processing operation. A series of experiments were conducted within the temperature range of 270±10°C. Constitutive behavior was assumed to be elasto-plastic, and the material parameters used in the simulation were obtained from corresponding literature. The designed loading ratios were incorporated into the model to obtain the corresponding hydroforming results. The simulation results are used in the experimental verification and the products were compared with the simulation results. The experimental results showed a good agreement with the predicted numerical results, indicating that FEM simulation is an effective tool in optimizing processing procedures.

Copyright © 2011 by ASME
Topics: Diamonds

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