The design of the shafts and bearings significantly influences the dynamics of spiral bevel gears like most high-speed precision gears employed in the powertrains of emerging and traditional automobiles, trucks, and off-highway vehicles. In this article, the influence of design changes of gear-shaft-bearing configurations on the dynamics of spiral bevel gears is investigated by applying the finite element-based dynamic model. Two kinds of representative gear-shaft-bearing configurations, i.e., straddle-mounted pinion configuration and overhung-mounted pinion configuration, are compared from the viewpoint of the vibrations and dynamics of the spiral bevel-geared rotor system. The results show that the changes of gear-shaft-bearing configurations can lead to a significant change in spiral bevel gear dynamic responses, including dynamic mesh force, dynamic bearing loads, and so on. The underlying physics controlling these effects are also discovered.
Influence of Gear-Shaft-Bearing Configurations on Vibration Characteristics of Spiral Bevel Gear Drives
Sae Int. J. Veh. Dyn., Stab., and Nvh
Sae International Journal of Vehicle Dynamics, Stability, and Nvh ; 4 , 3 ; 275-289
19.06.2020
15 pages
Aufsatz (Konferenz)
Englisch
Effect of Shaft-bearing Configurations on Spiral Bevel Gear Mesh and Dynamics
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