Natural transverse vibrations of helical springs in sections covered with elastic coatings

• Autorzy: Michalczyk K.

Identyfikatory

DOI

10.1515/bpasts-2017-0102

• Języki publikacji: EN

Abstrakty

EN

It has been demonstrated in previous studies that local elastomer coatings covering the end coils of helical springs can efficiently reduce the amplitudes of circum-resonant vibrations in such springs. The analysis of the influence that elastic coatings have on the frequencies and modes of natural transverse vibrations of springs is presented in this paper. The concept of the equivalent beam of the Timoshenko type is utilized in calculations of the frequencies and modes of transverse vibrations. The model developed allows users to determine the frequencies and modes of symmetric as well as antisymmetric vibrations of axially loaded springs with elastic coatings of arbitrary length. A comparison of the results obtained using FEM analysis, in which the model represented the actual spring geometry, with the results obtained by means of the presented model indicates its high accuracy.

Słowa kluczowe

EN

helical spring vibrations; natural frequencies; free transverse vibrations; axially loaded spring; spring with coatings

PL

drgania sprężyny śrubowej; częstotliwości naturalne; wolne wibracje

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2017
• Tom: Vol. 65, nr 6
• Strony: 949--959
• Opis fizyczny: Bibliogr. 43 poz., rys., wykr., tab.

Twórcy

autor

Michalczyk K.

• AGH University of Science and Technology, Department of Machine Design and Technology, 30 Mickiewicza Ave., 30-059 Krakow, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).