The modeling is performed by means of the software complex for studying the problems of dynamics of rail vehicles: “The universal mechanism”. In the article, the modeling of dynamic characteristics of a freight car with the optimized parameters of the wedge-type shock absorber is performed. In friction shock absorbers, the friction force arises in vertical and horizontal movements of the absorber wedges rubbing on friction plates fixed on the columns of the truck sidewalls.
On the CIS railroads, the wedge-type shock absorber became the most wide-spread in trucks of freight cars.
Shock absorbers are intended for developing forces providing the elimination or reduction of the amplitude of cars or their parts fluctuations.
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