Abstract
Those lateral forces that arise between a steel wheel and a rail as a consequence of misalignment are analysed. The magnitude of these forces is calculated for unconed wheels as a function of the misalignment angle and the friction coefficient. The results show that by following an FEM standard (an alignment better than 1:2500) lateral forces should be less than μP/4 where μ is the interfacial friction coefficient and P is the normal load.
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