✦ LIBER ✦

VIBRATION OF LINEAR GUIDEWAY TYPE RECIRCULATING LINEAR BALL BEARINGS

✍ Scribed by HIROYUKI OHTA; EIJI HAYASHI

Publisher: Elsevier Science
Year: 2000
Tongue: English
Weight: 350 KB
Volume: 235
Category: Article
ISSN: 0022-460X
DOI: 10.1006/jsvi.2000.2950

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✦ Synopsis

The vibration of linear guideway type (LGT) recirculating linear ball bearing driven at a constant linear velocity was studied. The measurement results of the vibration showed that the overall levels of vibratory velocity of the LGT recirculating linear ball bearings change with the measurement point of the vibration, and they are a!ected by linear velocity and preload. We also observed the main peaks in the vibration spectra of the LGT recirculating linear ball bearing itself. The main peaks were analyzed using the modal analysis, the frequency expressions for the rigid-body natural vibrations of the carriage and the "nite element method. As a result, it was made clear that the main peaks are caused by the lower rolling, the yawing, the pitching, the vertical, the higher rolling, the "rst #exural, the second #exural and the third #exural natural vibrations of the carriage.

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