Abstract
The sound of rail-type rolling guides with recirculating balls was studied. The test rolling guides were operated at a constant linear velocity and the sound of a rolling guide itself was measured. In addition, an experimental modal analysis was performed on the bearing block of a rolling guide at a constant linear velocity. Experimental results showed that the rolling guide has a sound property between line sound source and point sound source. Moreover, the sound level increases with a linear velocity and the frequency of the main peak in the sound spectra is not affected significantly by the linear velocity. Analysis indicates that the main peak is caused by the vertical, rigid-body natural vibration of the bearing block.
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