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SOURCE:	Almanac of Modern Science and Education. Tambov: Gramota, 2015. № 10. P. 148-151.
SCIENTIFIC AREA:	Technical Sciences
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EXPERIMENTAL STUDY OF NOISE SPECTRUM AT HIGH-SPEED TIMBER MILLING

Cherepanov Sergei Aleksandrovich
Severodvinsk

Abstract. The article examines the methods and results of the experimental study of noise spectrum nature at high-speed timber milling at modern NC-controlled woodworking machines. Relying on the findings the author concludes that noise spectrum at high-speed timber milling acquires evident tonal nature with hardening the processed timber, raising the spindle rotational speed and reducing the number of the teeth of the mill.

Key words and phrases: фрезерование древесины, дереворежущая фреза, спектр шума, третьоктавная полоса частот, тональный характер шума, частота вращения шпинделя, timber milling, wood-milling cutter, noise spectrum, one-third-octave band, tonal nature of noise, spindle rotational speed

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References:

GOST 12.1.003-83 SSBT. Obshchie trebovaniya bezopasnosti. Shum / vzamen GOST 12.1.003-76; vved. 01.07.84. M.: Izd-vo standartov, 1984. 10 s.
Tsvetkov V. M. Obespechenie bezopasnykh uslovii ekspluatatsii i ekologichnosti derevoobrabatyvayushchikh stankov frezernoi gruppy: diss. … k.t.n. Rostov-na-Donu: DGTU, 2005. 125 s.
Chizhevskii M. P., Cheremnykh N. N. Snizhenie shuma pri obrabotke drevesiny. M.: Lesnaya promyshlennost', 1975. 152 s.

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