FIELD: railway transport; reconditioning and STRAIGHTENING of parts of rolling stock and permanent way. SUBSTANCE: two oval grooves are cut on mating surfaces of wheel and rail at a distance from tangent line of central portion of wheel flange and rail head depending on their sizes. Grooves are filled with melted metal. Dimensions of grooves are c/b=3.3 where c - width of groove and b - depth of groove. EFFECT: improved reliability and service life of rolling stock. 5 dwg
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