Paper Title:
Influence of Friction on Springback of Quadrangle Parts Bending
  Abstract

Springback is the prominent problem in bending forming of sheet metal, which is difficult to control accurately, especially for the complex shaped bending parts. The change of friction conditions will cause significant changes of bending springback amount. The theoretical analytical model of quadrangle parts bending, which takes into account of the harden ability, anisotropy and elastic deformation of material, is proposed in this paper based on the plane deformation assumption and the bending theory of sheet metal, the quadrangle parts bending of wide sheet is analyzed theoretically, the approximate calculation relational expression is derived between friction coefficient and springback angle, and the influence of friction on springback is discussed. In the same conditions, the springback result deduced from theoretical formula is basically consistent with numerical simulation and experiment result.

  Info
Periodical
Advanced Materials Research (Volumes 217-218)
Edited by
Zhou Mark
Pages
619-624
DOI
10.4028/www.scientific.net/AMR.217-218.619
Citation
C. J. Su, G. H. Zhang, S. M. Guo, L. Gao, R. Ma, "Influence of Friction on Springback of Quadrangle Parts Bending", Advanced Materials Research, Vols. 217-218, pp. 619-624, 2011
Online since
March 2011
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$32.00
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