Perpendicular vibrations induced by friction on a flat bearing pad is a common problem in mechanical industries. Such a coupled vibration appears as one of the characteristics for sliding squeals that might affect the bearing efficiency. The presented numerical work shows that the cyclic out-of-plane motion within a bearing pad is possible, if the vertical motion is triggered and the contact pressure, the friction, the relative sliding velocity, and material property are appropriate. The magnitude of the squeal is sensitive to the contact pressure, the friction, the damping and material property. Its initiation time may also differ due to the changes in these parameters. In the present analysis, a simplified analytical model is also proposed to explain why the horizontal free vibration can become forced vibration and to further study this phenomenon. More over, under a certain condition, a surface-freeze is observed on the contact interface. It is a potential direction heading toward the complete elimination of the squeal.
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ASME 2005 Pressure Vessels and Piping Conference
July 17–21, 2005
Denver, Colorado, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-4193-6
PROCEEDINGS PAPER
Wave Motions in a Flat Bearing
Chau-Cho Yu,
Chau-Cho Yu
National University of Kaohsiung, Kaohsiung, Taiwan
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Wen-Hae Lee,
Wen-Hae Lee
National University of Kaohsiung, Kaohsiung, Taiwan
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Wen-I Liao
Wen-I Liao
National University of Kaohsiung, Kaohsiung, Taiwan
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Chau-Cho Yu
National University of Kaohsiung, Kaohsiung, Taiwan
Wen-Hae Lee
National University of Kaohsiung, Kaohsiung, Taiwan
Wen-I Liao
National University of Kaohsiung, Kaohsiung, Taiwan
Paper No:
PVP2005-71395, pp. 47-53; 7 pages
Published Online:
July 29, 2008
Citation
Yu, C, Lee, W, & Liao, W. "Wave Motions in a Flat Bearing." Proceedings of the ASME 2005 Pressure Vessels and Piping Conference. Volume 8: Seismic Engineering. Denver, Colorado, USA. July 17–21, 2005. pp. 47-53. ASME. https://doi.org/10.1115/PVP2005-71395
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