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Face gear mainly operate in high speed and heavy load conditions. In order to improve the load bearing capacity of face gear, this paper designs the tooth profile curves of cylindrical gear and face gear from involute to equiangular spiral, and derives the tooth surface equation of equiangular spiral cylindrical gear and face gear; The contact stress and bending stress of line contact equiangular spiral profile face gear are calculated by theoretical calculation method and finite element simulation method, and the calculation results of the two methods are compared to prove the accuracy of the theoretical calculation method and finite element simulation method; Further, the magnitude of contact stress and bending stress of equiangular spiral profile face gear and involute profile face gear are compared by finite element simulation to prove the feasibility of the design of equiangular spiral profile face gear, and to provide a design idea for the improvement of the load bearing capacity of face gear.

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Load Bearing Capacity Analysis of Face Gear with Equiangular Spiral Tooth Profile

  • 会议论文

  • 发表日期：

    2026年

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  • Shuaiqiang Ding,
  • Zhiqin Cai,
  • Junhang Deng,
  • Shaofeng Chen

摘要

Face gear mainly operate in high speed and heavy load conditions. In order to improve the load bearing capacity of face gear, this paper designs the tooth profile curves of cylindrical gear and face gear from involute to equiangular spiral, and derives the tooth surface equation of equiangular spiral cylindrical gear and face gear; The contact stress and bending stress of line contact equiangular spiral profile face gear are calculated by theoretical calculation method and finite element simulation method, and the calculation results of the two methods are compared to prove the accuracy of the theoretical calculation method and finite element simulation method; Further, the magnitude of contact stress and bending stress of equiangular spiral profile face gear and involute profile face gear are compared by finite element simulation to prove the feasibility of the design of equiangular spiral profile face gear, and to provide a design idea for the improvement of the load bearing capacity of face gear.