DOI 10.17586/0021-3454-2018-61-2-106-111
UDC 921.01
VIBROACOUSTIC CONTROL OF WEARING OF SAMPLES OF CYLINDRICAL FRICTION COUPLE
St. Petersburg State Engineering Institute, Department of Abrasive Technologies; Professor
A. V. Tikalov
Peter the Great St. Petersburg Polytechnic University, Saint Petersburg, 195251, Russian Federation; JSC “Compressor”, Saint Petersburg, 194044, Russian Federation; Postgraduate; Head of Section
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Abstract. The problem of determining the running-in time of the friction unit shaft – liner of plane bearing is considered depending on the vibration acceleration index of the low, medium, and high frequencies in the tri-band spectrum obtained with the SM-21 vibrometer. On the base of results of experiments carried out with the use of a friction machine, a relationship between the running-in time of the friction unit and the vibro-acoustic component is established. A method is proposed for predicting the running-in period of a cylindrical friction pair not only by controlling the vibroacoustic component, but also by the amount of wear.
Keywords: vibrometer, digital microscope, wear, hole, measurement, sample, friction machine, vibroacceleration, running-in
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