DEVELOPMENT AND THERMAL ASSESSMENT OF A HIGH-POWER GEARBOX

11th International Scientific Conference Research and Development of Mechanical Elements and Systems IRMES (2025) [pp. 27-32]  

AUTHOR(S) / AUTOR(I): Vojkan NOJNER , Dragan MILČIĆ , Milan BANIĆ 

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DOI: 10.46793/IRMES25.027N

ABSTRACT / SAŽETAK:

This paper presents the development of a high-power gearbox used for belt conveyor drives in open-pit mining. The gearbox is designed for continuous operation at high speeds, which leads to the generation of a large amount of heat. The main cause of overheating is the heat generated inside the gearbox due to friction in the bearings, friction in the seals, and above all, friction between the tooth flanks during meshing. The thermal stability of the gearbox was predicted using the finite element method (FEM). Validation of the FEA thermal analysis results was carried out through power transmission testing on a proof stand, by measuring various parameters such as temperatures, vibrations, and noise of the gearbox and housing, for both unloaded and partially loaded conditions.

KEYWORDS / KLJUČNE REČI:

high-power gearboxes; heat calculation; thermal analysis of gearbox; testing of gearbox

ACKNOWLEDGEMENT / PROJEKAT:

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