Abstract
The results of a study on the technological capabilities of the modification of working profile of the teeth of the gears by nanostructured functionally oriented coating particles formed by the method of cladding by a flexible tool (CFT) and evaluated their impact on the reduction of generated tooth gearing noise. It is established that the efficiency of the technology CFT used for the noise reduction of bevel gear drives of machine tools is largely determined by the rational choice of the donor material composition for the formation of a coating. In some cases, gear teeth made from various materials formed on the working profile can significantly change the general character of the distribution of the frequencies of sound energy reducing the level of noise at one frequency and remaining unchanged or even higher at others. The best results in lower noise level of gearing in the whole spectrum of frequencies provided by the bronze-graphite Br05S20Gr0.5DMO0.5 coating. The decrease in noise at the general level was 2–4 dBA depending on rotation speed and, on a separate spectral component, reaches 6–9 dBA.
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Original Russian Text © U.L. Basiniuk, M.A. Levantsevich, N.N. Maksimchenko, A.I. Mardasevich, 2013, published in Trenie i Iznos, 2013, Vol. 34, No. 6, pp. 575–582.
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Basiniuk, U.L., Levantsevich, M.A., Maksimchenko, N.N. et al. Improvement of triboengineering properties and noise reduction of tooth gears by cladding functional coatings on working surfaces of interfaced teeth. J. Frict. Wear 34, 438–443 (2013). https://doi.org/10.3103/S1068366613060044
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DOI: https://doi.org/10.3103/S1068366613060044