Publisher : The Korean Society of Mechanical Engineers
DOI : 10.3795/KSME-A.2016.40.5.489
Title & Authors
Mode Characteristics of Spur Gears and Ball-Bearing Stiffness Park, Chan IL;
This study focuses on a detailed ball-bearing model for spur gears. The nonlinear ball-bearing stiffness with radial clearance is derived and calculated. The bearing stiffness is used to the 3-degree-of-freedom (DOF) spur gear system model. The mode characteristics of the gear system model are analyzed and verified by performing finite-element analysis (FEA). From the results, the bearing stiffness on the radial clearance was more sensitive under low-load conditions compared to high-load conditions. The bearing stiffness significantly affected the gear dynamics in the low-frequency region, while the mesh stiffness affected the high natural frequency.