Abstract
The paper considers the existing problem associated with the operation of side frames of two-axle three-element bogies of freight cars. The main criterion for increasing the service life is the reduction of stresses in the side frame elements. The authors have proposed variants of side frames that increase the operational characteristics. The authors have also carried out numerical calculations of the proposed variants with the use of finite element method. As a result, the paper present the comparative analytical evaluation of the proposed side frames compared to the typical one.
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