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A study on the dynamic characteristics of an epicyclic gear trains supported with journal bearing
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 Title & Authors
A study on the dynamic characteristics of an epicyclic gear trains supported with journal bearing
Lee, Jeong-Han; Ryu, Hyeong-Tae; Cheon, Gil-Jeong;
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 Abstract
In this paper, the dynamic characteristics of a star type epicyclic gear train have been analyzed. Nonlinear stiffness of a gear pair were obtained considering the bending and shear deformation, Hertz contact deformation, as well as tooth fillet deformation. Nonlinear stiffness coefficients and damping coefficients around the static equilibrium position were obtained by perturbation method. The loci of the planet gears and sun gear were estimated. Tooth meshing forces and bearing reaction forces were calculated. The effects of bearing clearance and oil viscosity on the gear behavior were also analyzed.
 Keywords
Gear;Epicyclic Gear;Journal Bearing;Tooth Meshing Force;Planet Gear Locus;
 Language
Korean
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