Finite Element Simulation Analysis of Friction Load Varition During Gear Meshing Cycle
In order to better analyze the changes of friction load within the gear meshing cycle,this paper de-signed a gear analysis model to study the transmission relationship between gears and distinguish the resistance torque at the input and output ends of a gear.Firstly,a finite element analysis model was built.In order to ensure the accura-cy of the model,in the pre-processing stage,corresponding meshes were constructed according to the actual situation of a gear at different positions.Meanwhile,the mesh density at different positions was distinguished.Based on the gear rotation ratio and angular displacement,the rotational degree of freedom was obtained.During the gear meshing process,a dynamic analysis model was constructed to study the changes in friction load.After considering the gear meshing frequency,we determined the friction factor by the length line.Finally,we defined the maximum contact stress and bending stress between gears by the friction function,thus completing the analysis of changes in friction load.The simulation results prove that the method can accurately describe the real-time changes of friction load with-in the gear meshing cycle.
Gear rotationMeshing cycleFriction loadDriving shaftContact surface of gear
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