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Investigation of Friction Noise in Ball Joint Under Edge Loading Condition

가장자리 하중조건에서의 볼 조인트 마찰소음 연구

  • Kang, Jaeyoung (Div. of Mechanical and Automotive Engineering, Kongju Nat'l Univ.)
  • 강재영 (공주대학교 기계자동차공학부)
  • Received : 2014.03.27
  • Accepted : 2014.05.07
  • Published : 2014.07.01

Abstract

This study provided the analytical model describing the friction-induced noise in the ball joint system under the edge loading condition. The frictional and conformal contact kinematics between the spherical bearing and the hemispherical socket was derived and the dynamic equations of the perturbed motion were established. The numerical results revealed that the bending modes of the ball joint system can become unstable due to friction, and the axial load and contact stiffness strongly influenced the dynamic instability. In contrast, the tilting angle of the socket was not found to significantly contribute to the dynamic instability of the ball joint.

Keywords

Friction Noise;Ball Joint;Edge Loading

Acknowledgement

Supported by : 한국연구재단

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