rail and tram industry Russia

... increases the reliability and provides the required resource of the structure as a whole. Technical appraisal and economic benefits The strength of the walls of the case is more than 20% higher than that of the known analogs. The deformation of the walls of the body when exposed to excessive impacts is excluded due to the design features of the friction unit and the execution of solid walls in contact with the friction unit (patent). Solid walls provide high strength both under axial shock loads when closing the draft gearbox and under thrust forces from the friction unit. ...