ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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12
Issue
vol 63 / December, 2020
Article

DOI 10.17586/0021-3454-2017-60-11-1064-1069

UDC 621.833

FORECASTING THE LEVEL OF PARASITIC VIBRATIONS OF THE MILLING SYSTEM IN THE CUTTING ZONE THROUGH ANALYSIS OF NOISE ACTIVITY

V. M. Medunetskiy
ITMO University, Saint Petersburg, 197101 Russian Federation; Professor


K. P. Pompeev
ITMO University, Department of Instrumentation Technology, St. Petersburg;


A. V. Rasshchupkin
Radio Technical Apparatus Factory JSC; ITMO University, Department of Instrumentation Technologies; Production Engineer, Undergraduate Student


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Abstract. Experimental data on acoustic characteristics of the working area of cutting equipment in the idle mode are analyzed. Parameters are determined that affect the frequency characteristics of the active system recognized by the value of the error in relative position of groups of elements. Relationship between of the rotary milling system runout in the absence of applied load and the noise level recorded by sound analyzers is established. A method is proposed for predicting the level of vibrational activity of a milling system in the cutting zone that occurs during the finishing of hard-to-work materials.
Keywords: vibration, noise coefficient, milling system, cutting equipment, magnet sensor, radial runout, inaccuracy

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