Author(s)

J. Madejski & J. Grabczyk

Abstract

Fast and accurate measurement of the profiles of surfaces of rail head, switches, and wheels features an indispensable element of the technological process of their manufacturing and maintenance. Rails are the crucial elements of the track, so requirements regarding their mechanical properties and geometrical accuracy are very high. On the other hand, train wheels have to be checked on a regular basis to make it possible to determine when repair or replacement is needed, due to their excessive wear resulting in improper geometry. All presented results were obtained using the novel handheld gauges developed and field tested by the authors. 1 Introduction The measurement process of wheel and track geometry is a tedious task, error prone, and requiring skille

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