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DING Jun-jun, SUN Shu-lei, LI Fei, HUANG Yun-hua. Simulation of wheel wear for heavy haul freight car[J]. Journal of Traffic and Transportation Engineering, 2011, 11(4): 56-60. doi: 10.19818/j.cnki.1671-1637.2011.04.009
Citation: DING Jun-jun, SUN Shu-lei, LI Fei, HUANG Yun-hua. Simulation of wheel wear for heavy haul freight car[J]. Journal of Traffic and Transportation Engineering, 2011, 11(4): 56-60. doi: 10.19818/j.cnki.1671-1637.2011.04.009
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Simulation of wheel wear for heavy haul freight car

doi: 10.19818/j.cnki.1671-1637.2011.04.009

  • School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China

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  • Author Bio:

    DING Jun-jun(1985-), male, doctoral student, +86-28-87601321, dumdream0851@163.com

    LI Fu(1956-), male, professor, PhD, +86-28-87601881, lifu@home.swjtu.edu.cn

  • Received Date: 2011-03-08
  • Publish Date: 2011-08-25
    Abstract
  • The dynamic model of C80 heavy haul freight car with ZK6 bogies was built in SIMPACK software, LM wheel profile and 75 kgºm-1 rail profile were matched, and a railway line model was built based on Daqin Railway Line. The wheel wear of heavy haul freight car was simulated based on FASTSIM algorithm and Zobory tread wear model, and the simulation results were compared with that of field test result. Analysis result indicates that wear occurs in-50-45 mm of wheel tread, the maximum wear depth occurs in wheel flange, and the minimum wear depth occurs in wheel flange root. The wear velocities of wheel flange and rolling tread circle slow with the increase of running mileage. The vertical wear depth of wheel tread in simulation is less than test depth. The critical velocity of vehicle decreases when wheel is worn, the critical velocity of empty vehicle deceases by 13-18 kmºh-1, and the critical velocity of loaded vehicle deceases by 2-8 kmºh-1.

     

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