Bending stress analysis of orthogonal curve-face gear

DOI Web Site 参考文献14件
  • WANG Yao
    The State Key Laboratory of Mechanical Transmission, Chongqing University Taiyuan University of Science and Technology
  • LIN Chao
    The State Key Laboratory of Mechanical Transmission, Chongqing University
  • CAI Zhiqin
    The State Key Laboratory of Mechanical Transmission, Chongqing University
  • HUANG Chao
    The State Key Laboratory of Mechanical Transmission, Chongqing University

抄録

In order to solve the time-varying bending bearing capacity of orthogonal curve-face gear, we proposed the calculation and test method of bending stress of gear tooth root. Using the spatial engagement theory and gear carrying capacity theory, the parametric equations of pitch curve and pressure angle on the pitch curve of orthogonal curve-face gear were derived, and the algorithm of equivalent tooth form factor and equivalent stress correction factor was obtained. Force condition in the meshing process of orthogonal curve-face gear was analyzed. The variation of principal curvature and force of orthogonal curve-face gear was achieved. Using the simplification algorithm of regarding the orthogonal curve-face gear pair as equivalent non-circular gear rack, the calculation method of bending stress of orthogonal curve-face gear was acquired, and the impact of basic structure parameter of gear pair on bending stress was analyzed. Using five-axis CNC machining to process the entity. Experimental of orthogonal curve-face gear using strain gauges was carried out to justify the correction of the theory. Comparing the theoretical calculation and experimental results, the variation laws was similar, and then the calculation method of bending strength of orthogonal curve-face gear was verified.

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