Journal of Mechanical Engineering >

2017 , Vol. 53 >Issue 21: 37 - 45

DOI: https://doi.org/10.3901/JME.2017.21.037

Vibration Damping Characteristics of Dry Friction Damping Ring of High Speed Large Power Density Gear Transmission

  • FENG Haisheng ,
  • WANG Liqin ,
  • PENG Bo ,
  • ZHAO Xiaoli ,
  • ZHENG Dezhi
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  • 1. Research Laboratory of Space and Aerospace Tribology, Harbin Institute of Technology, Harbin 150001;
    2. China Academy of Launch Vehicle Technology, Beijing 100076

Received date: 2016-10-08

  Revised date: 2017-06-27

  Online published: 2017-11-05

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Abstract

Effect of dry friction damping ring (DFDR) on vibration characteristics of high speed large power density gear transmission (HSLPDGT) is studied. A coupling multi-body dynamic model of gear transmission with DFDR is built. In the model, the damping effect of DFDR on transmission, the varying meshing stiffness and transmission error are considered. A DFDR test system of gear transmission is developed. This DFDR test system has the highest input speed of 36 000 r/min and oil lubrication. This model is verified by experiments. Effect structural parameter of DFDR on the vibration characteristics of gear transmission is studied. Results show that the DFDR has good damping characteristics of its decline of more than 20% for HSLPDGT. The gear transmission can get optimal damping effect by optimizing the DFDR outer diameter which is the amount of interference between DRDR and rim, thickness, width and other structural parameters.

Key words： gear transmission; vibration damping characteristics; high speed large power density; dry friction damping ring

Cite this article

FENG Haisheng , WANG Liqin , PENG Bo , ZHAO Xiaoli , ZHENG Dezhi . Vibration Damping Characteristics of Dry Friction Damping Ring of High Speed Large Power Density Gear Transmission[J]. Journal of Mechanical Engineering, 2017 , 53(21) : 37 -45 . DOI: 10.3901/JME.2017.21.037

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