Paper Title:
Analysis of Conventional Spinning Process with Thermal Effects
  Abstract

The temperature effect is significant on the metal forming processes; for the quality of products and the tools life are extremely affected by it. This paper investigates the thermal effects on the conventional spinning process by the explicit finite element method with transient heat transfer conditions. The governing equation is based on the updated Lagrangian formulation, the large deformation theory, and the principle of the conservation of energy. The energy terms in this study include the plastic strain energy, the frictional sliding energy, and the heat transfer energy. The energy and temperature distribution of the circular sheet, on the varying boundary conditions of the heat transformation, are discussed in detail. Furthermore, the various mesh types are examined in the simulations. With the application of the mass scaling factor technique, the full history of spinning process is performed successfully. The main benefit of the proposed model will save the tremendous costs in the die designing and the experimental works. The parameters and techniques using in the numerical model are helpful for the design of forming process and the coupling thermal-mechanical analysis.

  Info
Periodical
Edited by
Sheng-Jye Hwang and Sen-Yung Lee
Pages
187-192
DOI
10.4028/www.scientific.net/MSF.594.187
Citation
C. H. Liu, A. C. Wang, K. Z. Liang, S. E. Hsu, "Analysis of Conventional Spinning Process with Thermal Effects", Materials Science Forum, Vol. 594, pp. 187-192, 2008
Online since
August 2008
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Price
$32.00
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