FIELD: railway transport; permanent way. SUBSTANCE: lubricant accumulator is formed in rail head, and wheel flange and rail are lubricated in process of contacting. Lubricant accumulator is formed by microrelief made along rail on curvilinear section of rail head in form of wave-shaped equidistant rows of regularly alternating cavities and projections and coated by solid lubricant. Lubricant is introduced into cavities by rolling down. EFFECT: enhanced wear resistance of rails and wheel flanges. 2 cl, 4 dwg
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