Tula State University, Tula, Russia

V. A. Belyakova, Cand. Eng., Associate Prof., e-mail: valentina.belyakova5@yandex.ru
I. A. Vorobyov, Cand. Eng., Associate Prof., e-mail: imsilya@mail.ru
S. M. Nikolsky, Postgraduate Student, e-mail: serg.nickolscky@yandex.ru

SPC Tekhpolikom, Moscow, Russia

G. A. Nuzhdin, Deputy General Director for Quality, e-mail: nuzhdin.65@mail.ru

The main task of machine building technology is to manufacture parts with the lowest labor costs, with the highest productivity and coefficient of metal use. A great future in metal processing belongs to combined processing methods and additive technologies. These are the most advanced and advanced methods of manufacturing parts, which provide a sharp increase in labor productivity, a significant reduction in technological waste of metal, a decrease in the complexity of processes and the cost of production. The article is devoted to the design and manufacture of a new import-replacement tool for processing gears using additive technology. Additive technologies, or 3D printing, are an innovative approach to the production of products, in particular processing tools. The fundamental difference between this technology and traditional methods is that the product is obtained by adding material to the base, and not removing material from the workpiece, as is the case with mechanical processing. In this case, the SLS (Selective Laser Sintering) method was used – an additive method for obtaining a model, sintered by a laser beam. Field experiments were conducted to confirm the suitability of the proposed manufacturing method for the type of tools in question. Analysis of the work results of the proposed design showed an increase in the accuracy of the processed products by 1-2 degrees according to GOST 1643-81 and a decrease in the roughness of the side surface of the teeth to 1.2 microns.
The research was carried out with financial support within the framework of a grant from the Government of the Tula Region – DS/175/IMS/24/TO “Design of a special importreplacement tool for finishing cylindrical gears.”

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