Volume 39 Issue 5
Jan.  2024
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SUN Shuai, SUN Huibin, FU Xuan, et al. Influence of machining deviation of curvic couplings tooth surface on fitting state[J]. Journal of Aerospace Power, 2024, 39(5):20220365 doi: 10.13224/j.cnki.jasp.20220365
Citation: SUN Shuai, SUN Huibin, FU Xuan, et al. Influence of machining deviation of curvic couplings tooth surface on fitting state[J]. Journal of Aerospace Power, 2024, 39(5):20220365 doi: 10.13224/j.cnki.jasp.20220365

Influence of machining deviation of curvic couplings tooth surface on fitting state

doi: 10.13224/j.cnki.jasp.20220365
  • Received Date: 2022-05-24
    Available Online: 2023-10-19
  • In order to optimize curvic couplings assembly process, the influence of machining deviation of curvic couplings tooth surface on fitting state was theoretically studied. Based on the curvic coupling machining theory, the effect of key machining parameters on surface deviation was investigated. An assembly initial tooth surface clearance model of the curvic couplings was built. The effect of surface deviation on assembly initial tooth surface clearance of the curvic couplings was analyzed. According to theoretical and experimental study, tooth surface deviation directly caused the assembly initial tooth surface clearance. By optimizing the installation phase, the mean and variance of assembly initial tooth surface clearance can be reduced by 18%, and the variance can be reduced by 25%. The work provides a foundation for the principle of the assembly accuracy formation and parameter optimization of curvic couplings, contributing to assembly quality improvement of aero-engine rotors connected by curvic couplings.

     

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