Stick‐slip in the presence of a normal vibration
作者:
M. Krallis,
D. P. Hess,
期刊:
Tribotest
(WILEY Available online 2002)
卷期:
Volume 8,
issue 3
页码: 205-219
ISSN:1354-4063
年代: 2002
DOI:10.1002/tt.3020080303
出版商: John Wiley&Sons, Ltd
关键词: stick‐slip;normal vibration;dynamic analysis;natural frequency
数据来源: WILEY
摘要:
AbstractThis paper presents a dynamic analysis of a contact system subjected to an applied normal vibration. The tangential motion of the system is found to exhibit stick‐slip behaviour dependent on the applied vibration, even in the absence of a difference in static and kinetic friction or a negative gradient in the friction‐velocity relation. The analysis leads to the development of a criterion for stick‐slip in the form of an equation defined in terms of the system and input parameters. This criterion is also presented graphically and is assessed through a series of experiments. The analysis and measurements show that stick‐slip occurs for a significantly wider drive velocity range when the normal vibration applied is near the natural frequency of the drive system. In addition, when stick‐slip occurs in the presence of a normal vibration, the frequency of stick‐slip is found to lock in to the frequency of the applie
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