IMPROVING WORKING LIFE OF SOLID RAILWAY WHEEL DISK PARTS
Development of recommendations for wheel durability improvement due to the reduction of crack formation in the joint zones of the wheel’s disk with nave and rim as well as in the disk part requires the analysis of the stress-strain state of various variants of wheel axial sections in order to reveal the most promising and rational design solutions. Among the examined groups of wheels with a non-linear element, design types of wheels with a wheel flange and bending seem to be the most promising for further upgrading. Respective improvement of wheel axial section profile must not cause the increase in wheel’s weight and its radial yield against similar yield of the wheels complying with GOST 9036-88 requirements.