Characteristics of Friction Noise with Changes of the Natural Frequencies in the Reciprocating Motion
왕복운동에서의 고유주파수 변화에 따른 마찰소음 특성 연구

Hoil Choi, Jaeyoung Kang
2014 Transactions of the Korean Society for Noise and Vibration Engineering  
Experimental study is conducted for investigating the characteristics of friction-induced noise with respect to the variation of system geometry. In this study, a vertically fixed rod is in contact with the reciprocating plate which is controlled by the step motor. Friction noise is generated during the reciprocating motion due to the frictional contact between the plastic pin and the aluminum plate. The frequencies of the friction noise are changed when the height of the rod varies. However,
more » ... is found that the vibration modes involved in the friction noise are not changed. It implies that the unstable modes remain unstable regardless of the change of the system geometry, and thus, there are the certain mode shapes which are likely to produce friction noise.
doi:10.5050/ksnve.2014.24.4.332 fatcat:ta7snevinzbjfn7ihn36bvety4