Abstract
As a result of theoretical studies, it is established that the traction force of quarry locomotives is significantly affected by the temperature in the contact zone of the wheel–rail system, the contact zone microgeometry, the macrogeometry of the interacting surfaces, and the axial load. It is determined that, in order to ensure the strength criterion and taking into account the increased axial loads of quarry locomotives, it is necessary to limit the temperature in the contact zone of the wheel–rail system within 300°C by controlling the speed of the wheel slip on the rail. It is found that for the interacting surfaces it is necessary to ensure conditions peculiar to plastic-saturated contact for effective functioning of quarry rail transport.
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Translated by O. Pismenov
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Keropyan, A.M., Albagachiev, A.Y. Degree of Impact of Dominant Factors of the Working Surfaces of the Wheels of Quarry Locomotives in the Area of Their Contact with the Rails on Their Traction Capacity. J. Mach. Manuf. Reliab. 52, 853–857 (2023). https://doi.org/10.1134/S1052618823080095
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DOI: https://doi.org/10.1134/S1052618823080095