Gvinjiliya V. E. RussiaRostov-on-Don Донской государственный технический университет, пл. Гагарина, 1, Ростов-на-Дону, Ростовская область, 344010 sinedden@yandex.ru Author's articles BIFURCATIONS OF ATTRACTING SETS OF DEFORMATION DISPLACEMENT OF CUTTING TOOL DEPENDING ON THE SPINDLE GROUP BEATS Bifurcations of attracting sets of cutting tool deformation displacements at the evolution of treatment process properties