Axle for rail vehicles
AssigneeBonatrans Group A.S.
InventorRostislav FAJKOS
Life of this patent
Estimating the term…
Abstract
Axle for rail vehicles, made of heat-treated material, wherein in all cylindrical parts (2a) and the transitional parts (2b) along the entire length (L) of the axle (1) surface the axle (1) surface is formed by a reinforced, inductively hardened layer (2) having of uniform depth from the axle (1) surface and this inductively hardened layer (2) continues with a transition layer (3) with a gradually decreasing gradient of reinforcing. Transition layer (3) depth is equal to at least 1.5 times of the depth of the inductively hardened layer (2).
Claims2
An axle for rail vehicles, preferably for the railway ones, the axle being made of heat-treated material, wherein in all cylindrical parts and the transitional parts along the entire length of the axle surface the axle surface is formed by a reinforced, inductively hardened layer having of uniform depth from the axle surface and this inductively hardened layer continues with a transition layer with a gradually decreasing gradient of reinforcing.
Dependencies are inferred from the claim text.