Roughness of meshing gear teeth

Abstract The article is devoted to the method of calculating some parameters of gear teeth roughness, taking into account the parameters of meshing gears under rolling friction conditions in the presence of relative sliding between the meshing gear teeth. A model for determining the running roughness of the surface of the teeth, which have the form of a truncated cone, based on the roughness model of the spherical form is obtained. The proposed calculation methods allow us to: calculate the depths of penetration of the run-in roughness to the surfaces of the mutually contacting gear teeth; establish the regularities of changes in the roughness parameters of the gear teeth surface depending on the contact parameters of the gear meshing and the load in the meshing. Determined the most probable correlation between the actual and nominal contact area, depending on the degree of relative slip, occurring between the gear teeth, in the zone of the actual contact area of the gear teeth, depending on the engagement module of the contacting gear teeth.

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