Conclusions
An acoustical study of the mechanism of the TV-1 friction type false-twist machine has shown that the basic source of noise in this mechanism is the protective shield.
To reduce the acoustical activity of the shield, it is recommended to coat its inner surface with the vibration-absorbing mastic ADEM-NSh. This will make it possible to reduce the sound emission of the shield over the entire range of frequencies.
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Literature cited
M. Heckel and H. A. Muller (editors), Handbook on Acoustical Technique [Russian translation], Sudostroenie, Leningrad (1980), 72 pp.
G. L. Osipov, D. Z. Lopashev, et al., Measurement of Noise from Machines and Equipment [in Russian], Izd. Komiteta Standartov, Mer i Izmeritel'nykh Priborov pri Sovete Ministrov SSSR, Moscow (1968), pp. 13–14.
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T. A. Aleksandrova, B. D. Vinogradov, et al., in: New Vibration-Absorbing Materials and Coatings, and Their Application in Industry [in Russian], LDNTP, Leningrad (1980), pp. 64–68.
Additional information
Translated from Khimicheskie Volokna, No. 4, pp. 51–52, July–August, 1984.
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Sukhanov, N.L., Dolgusheva, A.V., Borodin, N.I. et al. Reducing noise in operation of the friction type false-twist mechanism of the TV-1 machine. Fibre Chem 16, 287–289 (1985). https://doi.org/10.1007/BF00574551
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DOI: https://doi.org/10.1007/BF00574551