In this article. the relevance of the study of gears with a complex non-involute profile of the tooth flanks is justified. For the subsequent study of non-involute gearings. the task of mathematical modeling of the profile of a gear-cutting rolling tool for machining of noninvolute gear wheels is solved. https://vacuumdoctores.shop/product-category/obsolete-parts-with-alternative-or-secondhand-available/