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REFINING THE WHEEL/RAIL INTERFACE

K Sawley

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Abstract

Wheel and rail technologies have developed and converged so much that it is now possible for railroads to fully control wheel and rail profiles. Improved control leads to benefits ranging from improved safety due to a reduction in wheel and rail damage and reduced maintenance costs from longer wheel and rail life. The article discusses how tighter control of wheel and rail profiles offers a variety of performance benefits for both rolling stock and infrastructure. Some of the benefits include improved vehicle steering in tangent and curved track, leading to lower wheel/rail forces, and reduced wheel/rail stresses leading to less wear and rolling contact fatigue.

About this research paper

What this paper is about

Wheel and rail technologies have developed and converged so much that it is now possible for railroads to fully control wheel and rail profiles. Improved control leads to benefits ranging from improved safety due to a reduction in wheel and rail damage and reduced maintenance costs from longer wheel and rail life. The article discusses how tighter control of wheel and rail profiles offers a variety of performance benefits for both rolling stock and infrastructure. Some of the benefits include improved vehicle steering in tangent and curved track, leading to lower wheel/rail forces, and reduced wheel/rail stresses leading to less wear and rolling contact fatigue.

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Available abstract

Wheel and rail technologies have developed and converged so much that it is now possible for railroads to fully control wheel and rail profiles. Improved control leads to benefits ranging from improved safety due to a reduction in wheel and rail damage and reduced maintenance costs from longer wheel and rail life. The article discusses how tighter control of wheel and rail profiles offers a variety of performance benefits for both rolling stock and infrastructure. Some of the benefits include improved vehicle steering in tangent and curved track, leading to lower wheel/rail forces, and reduced wheel/rail stresses leading to less wear and rolling contact fatigue.

Key concepts: Automotive engineering, Engineering, Track (disk drive), Third rail, Mechanical engineering

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