Volume 29 Issue 12
Dec.  2014
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Article Navigation >  Journal of Aerospace Power  > 2014  >  29(12): 3000-3008
WANG Hui-liang, DENG Xiao-zhong, YANG Jian-jun, XU Kai, SU Jian-xin, CHEN Qiang. Form grinding and experiment on segment topographic modification gear[J]. Journal of Aerospace Power, 2014, 29(12): 3000-3008. doi: 10.13224/j.cnki.jasp.2014.12.030
Citation: WANG Hui-liang, DENG Xiao-zhong, YANG Jian-jun, XU Kai, SU Jian-xin, CHEN Qiang. Form grinding and experiment on segment topographic modification gear[J]. Journal of Aerospace Power, 2014, 29(12): 3000-3008. doi: 10.13224/j.cnki.jasp.2014.12.030
shu

Form grinding and experiment on segment topographic modification gear

doi: 10.13224/j.cnki.jasp.2014.12.030

  • 1. School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072;

  • 2. School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang Henan 471003;

  • 3. Changzhou Chilun Gear and Rack Company, Changzhou Jiangsu 213000, China

  • Received Date: 2014-03-21
  • Publish Date: 2014-12-28
    Abstract
  • Based on the form grinding method geometry theory and gear profile grinding machine kinematics principles gears, a segment topographic modification method of helical gear drives was proposed. Profile segment modification was achieved by changing length of involute occurrence line of invloute profile on the top and root of the tooth; longitudinal segment modification was achieved by attaching to a parabolic and linear radial feed motion when forming grinder is moving. The formula of topographic modification tooth flank was derived based on form grinding process, and the boundary of topographic modification tooth flank was divided and calculated to establish the equations of motion for every servo axis of form grinding machine. According to numerical simulation results of the tooth flank, machining on the five-axis computer numerical control (CNC) gear form grinding machine and on-machine topographic measurement can verify the feasibility of topological modification of tooth flank by the grinding method. Combined the given conditions of rotating speed and operating load gearbox loading experiment, the vibration energy level amplitude of gearbox is dropped 0.008dB and noise is reduced by about 2dB. The research results show that segment topographic modification is effective in reducing gear drives vibration and noise.

     

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