GEAR TEETH OF BALL MILLS: WEAR, RESTORATION, AND MATHEMATICAL MODELING
Buzauova T. Smailova B. Bartenev I.
15 December 2025Institute for research and design in industry
Journal of Applied Engineering Science
2025#23Issue 4675 - 687 pp.
This study focuses on the restoration of large-module gear teeth of ball mills using the electroslag welding method, with an emphasis on practical results and mathematical modeling. The research established that optimal electroslag welding conditions are achieved by stabilizing key process parameters, such as current strength, slag bath volt-age, and cooling water flow rate. For high-quality welding of gear teeth with a module of 20 mm, the following parameters are recommended: current strength I=362.5 A, slag bath voltage U=73.25–74 V, and water flow rate Qw=3–3.5 l/min. These parameters ensure minimal roughness and the required hardness of the welded teeth. Mathematical modeling provided equations linking welding modes with the roughness and hardness of the welded teeth. The presented experimental data are highly relevant for the scientific com-munity and enterprises involved in the restoration of large-module gear wheels. The results hold significant practical value as they enable enterprises to reduce restoration costs and enhance the durability of components.
crystallizer , electro-slag surfacing , hardness , large-module gears , planning of multifactor experiment , roughness
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Karaganda Technical University named after Abylkas Saginov, Faculty of Metallurgy and Mechanical Engineering, Department of Technological Equipment, Mechanical Engineering and Standardization, Karaganda, Kazakhstan
Karaganda Technical University named after Abylkas Saginov
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