Paper Title:
Temperature Field and Residual Stress Analysis of the Gear on CO2 Laser Welding Process
  Abstract

The welding technique is one of important technologies on the gear manufacturing process. The special welding temperature cycle is the basic conditions of the welding residual stress appearance in the gear. The large welding residual stress will create the large deformation after the gear welding, which will affect the gear service behavior. In this paper, the finite element method has used to simulate the gear laser welding process. The temperature field and residual stress has described. The research results show that the biggest residual compressive stress appears on the transverse direction of welding region. In the longitudinal direction, the biggest residual tensile stress appears on both sides of the welding seam line. When the laser welding power is 2.4 kW and welding speed is 20mm/s, the no apparent welding deformation’s 20CrMnSi gear can be achieved really.

  Info
Periodical
Edited by
Zeyong Yin, Chengyu Jiang, Datong Qin, Peixin Qiao and Geng Liu
Pages
670-673
DOI
10.4028/www.scientific.net/AMM.86.670
Citation
J. Luo, F. Li, K. L. Xue, D. J. Liu, H. W. Zhang, "Temperature Field and Residual Stress Analysis of the Gear on CO2 Laser Welding Process", Applied Mechanics and Materials, Vol. 86, pp. 670-673, 2011
Online since
August 2011
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$32.00
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