Failure study of rubber-cord flexible couplings and their mounting bolts: Summary of the doctoral thesis
2024
Gorbačovs, Dmitrijs
In the Thesis the methodology was developed for preventing the failure of the rubber-cord coupling and its fastening bolts. The methodology was tested on rubber-cord couplings, which are widely used in railway rolling stock. Statistics of failures of rubber-cord couplings and their fastening bolts were collected and studied in detail. The data on pitch angles of rubber-cord coupling was aggregated. One-sided stretching tests of various rubber-cord coupling samples were performed in the RTU laboratory. Load deformation graphs were obtained and the causes of the rubber-cord coupling bolts damage were clarified. Calculations were made using the SolidWorks software, and the search for loads affecting the occurrence of defects in the rubber-cord coupling shell was carried out.
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