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In order to calculate analytically the contact status for rail grinding by abrasive belt with an axis deflection, as well as considering limitations of using Hertz contact theory for that, a numerical contact model (NCM) based on the local geometrical relationship between contact wheel and rail surface was developed. The effectiveness and accuracy of the proposed model have been validated by the corresponding...
In order to establish a theoretical foundation of rail profile reshaping through belt grinding with a concave contact wheel, the static contact behavior between the contact wheel and railhead is preliminarily modeled and investigated. The geometry interference between wheel and rail profile under certain contact conditions is initially analyzed. Based on the integral method, 3D contact problem is...
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