The research is devoted to forecasting resonances of metal-ceramic disks (MCD) of transmission frictional elements for transport vehicles and determining the ways of increasing useful life. The analysis of the nature of destructions allowed for putting forward a hypothesis about MCD destruction due to the high-frequency resonance oscillations generated by the torque converter. Such an effect is new and has never been investigated before. The method of computation of natural high frequencies of MCD is developed for deleting resonant modes. Taking into account complexity of the disk design, natural frequency is analytically defined under many assumptions. In order to evaluate consistency of the assumptions in identifying natural frequencies and forms of MCD oscillations the method of nondestructive control based on identifying frequency characteristics during acoustic radiation of the test disk is developed by dominating values of spectral density of the process. Fine precision of theoretical and experimental investigations allows predicting possibility for occurrence of resonant modes of functioning of MCD frictional elements, essentially specifying the technique of design calculation, as well as solving an inverse problem of resonant mode deletion.
Decrease in Dynamic Loading of Transmission Elements of the Vehicle
Lect. Notes Electrical Eng.
2012-10-23
10 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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