ISSN (print) 1995-2732
ISSN (online) 2412-9003


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DOI: 10.18503/1995-2732-2022-20-3-94-102


Although grinding belongs to the oldest machining processes, it is still one of the most used machining techniques for producing parts with high surface quality and dimensional accuracy. At the same time, grinding is among the most complex and least understood processes for two main reasons. First, the abrasive grains present on the surface of the tool are randomly oriented. Secondly, they undergo complex interactions in the processing zone. In addition, during the grinding process, due to high speeds and low thermal conductivity of the grinding wheel, the instantaneous temperature in the contact zone can reach the melting temperature of steel leading to structural changes in the surface layer of the part. It is not possible to remove the defective layer because the size of the part is within tolerance, therefore the defect is irreparable meaning that all previous processing costs were in vain. Therefore, temperature is one of the main limiting criteria when setting cutting parameters for grinding operations. The methods used in the article were based on the fundamental provisions of mechanical engineering theory, the theory of cutting and machining, as well as the theory of thermal conductivity of solids. A mathematical model has been developed for calculating the temperature in the con-tact zone of the grinding wheel and the workpiece during cylindrical plunge grinding. The developed model takes into account the number of abrasive grains on the contact patch, the physical properties of the workpiece material and the grinding wheel, as well as the cutting parameters. The resulting model can be further used to design high-performance cycles of plunge grinding as the main one for ensuring burn-free machining.


grinding, grinding wheel, heat flux, contact patch, abrasive grains

For citation

Degtyareva-Kashutina A.S., Boldyrev I.S. Mathematical Model for Determining Contact Zone Temperature During Cylindrical Plunge Grinding. Vestnik Magnitogorskogo Gosudarstvennogo Tekhnicheskogo Universiteta im. G.I. Nosova [Vestnik of Nosov Magnitogorsk State Technical University]. 2022, vol. 20, no. 3, pp. 94-102.

Degtyareva-Kashutina A.S. South Ural State University, Chelyabinsk, Russia

Boldyrev I.S. South Ural State University, Chelyabinsk, Russia

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