• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 21 Issue 3
Jun.  2008
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Article Contents
ZHANG Kailin, LUO Huajun, ZHANG Hongjun. Influence of Primary Spring Stiffness on Strength of C0 Bogie Frame[J]. Journal of Southwest Jiaotong University, 2008, 21(3): 377-380.
Citation: ZHANG Kailin, LUO Huajun, ZHANG Hongjun. Influence of Primary Spring Stiffness on Strength of C0 Bogie Frame[J]. Journal of Southwest Jiaotong University, 2008, 21(3): 377-380.

Influence of Primary Spring Stiffness on Strength of C0 Bogie Frame

  • Received Date: 28 May 2007
  • Publish Date: 25 Jun 2008
  • In order to determine the reasonalbe stiffness of middle-axle primary spring,the distribution of stresses in C0 bogie frame was investigated with FEM(finite element method) based on two kinds of boundary conditions,i.e.,spring constraint and force constraint.The influence of middle-axle primary spring on stresses of partial key nodes was analyzed under different vertical curves and vertical stiffness.In addition,the re-distribution of stresses in C0 bogie frame was discussed.The numerical result shows that the constraint conditions in a finite element model for C0 bogie frame must ensure that the three axles have the same mass,and a reasonable distribution of stresses in C0 bogie frame can be obtained when the vertical stiffness of middle-axle primary spring is smaller than that of the two end-axles.

     

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