An Analytical - FEM Tool for the Design and Optimization of Aerospace Gleason Spiral Bevel Gears


To save time and money during the design process a tool based on analytical algorithms and on FEM models is introduced. As a first step, the conjugate surfaces theory is applied to a bevel set. An analytical tooth contact analysis is performed to determine the theoretical contact points on flank surfaces versus the meshing points. Information is then derived by the contact analysis and used to generate Finite Element models of the gear pair on the basis of the theoretical contact pattern. A final simulation by means of FEM models takes into account load sharing between tooth pairs.
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