Volume 28 Issue 1
Jan.  2013
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MA Hui, WANG Qi-bin, HUANG Jing, ZHANG Yi-min. Vibration response analysis of gear coupled rotor system considering geometric eccentric effect of helical gears[J]. Journal of Aerospace Power, 2013, 28(1): 16-24.
Citation: MA Hui, WANG Qi-bin, HUANG Jing, ZHANG Yi-min. Vibration response analysis of gear coupled rotor system considering geometric eccentric effect of helical gears[J]. Journal of Aerospace Power, 2013, 28(1): 16-24.

Vibration response analysis of gear coupled rotor system considering geometric eccentric effect of helical gears

  • Received Date: 2012-07-27
  • Publish Date: 2013-01-28
  • Taking three-shaft parallel coupling rotor system with two pairs of helical gears as the research object,a meshing dynamic model with total degrees of freedom was established by considering the effects of the static transmission error and the geometric eccentricity of the gears.Combined with the rotor system,a finite element model of the multi-shaft helical gear rotor system was determined.In the model,the rotor system was simulated by using beam element and the gear pair was simulated by using mesh stiffness matrix and damping matrix.Finally,considering the static transmission error,rotor unbalance,gear geometric eccentricity and the coupling,dynamic characteristics of the system were analyzed.The results show that geometric eccentricity has a great effect on gear meshing force,of which the role is equivalent to a torque applied on the gear.

     

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