RT Journal Article SR Electronic A1 Potapenko, Olga A1 Gorbunov, Nikolay A1 Mogyla, Valentin A1 Shcherbina, Yuriy A1 Hauser, Vladimir T1 Function Evaluation of Common and Proposed Friction Shock Absorbers for Open Box Wagon 12-7019 KRVZ JF Manufacturing Technology Journal YR 2019 VO 19 IS 2 SP 303 OP 307 DO 10.21062/ujep/287.2019/a/1213-2489/MT/19/2/303 UL https://journalmt.com/artkey/mft-201902-0022.php AB This paper deals with the research of common and the proposed wedge type shock absorbers for bogie used by 12-7019 KRVZ open box type cargo wagon. Results of elements stress-deformation state caused by static load analysis performed by computer simulation are presented. Diagram of elements displacements, spring group compression dependence on vertical load, equivalent stresses of suspension system elements, proportional load distribution diagram and diagram of energy absorption by friction damper were obtained. The influence of spring group construction to the cargo wagon dynamics when running at speeds up 10 to 200 km/h was investigated. Advisability of the proposed wedge type shock absorbers construction improvements was confirmed.