Actual Problems in Machine Building 2015 No. 2

Actual Problems in Machine Building. 2015. N 2 Technological Equipment, Machining Attachments and Instruments ____________________________________________________________________ 308 DESIGN OF HIGH PERFORMANCE DRILLING TOOLS Petrovsky E.A., D.Sc. (Engineering), Professor, e-mail: eduard.petrovskiy@list.ru Danilov A.K. , Ph.D. (Engineering), Associate Professor, e-mail: danilov_ak@mail.ru Soloviev E.A. , Ph.D. (Engineering), Associate Professor, e-mail: easoloviov@mail.ru Bukhtoyarov V.V. , Ph.D. (Engineering), Associate Professor, e-mail: vladber@list.ru Privalikhin R.S. , Engineer, e-mail: GlobalSDS@mail.ru Siberian Federal University, Institute of Petroleum and Natural Gas Engineering, 82/6 Prospect Svobodny, Krasnoyarsk, 660041, Russian Federation Abstract The article discusses approaches to designing high-performance drilling tools. The main types of drilling tools used for drilling soils of different categories of strength are described. The limitations of applicability of various types of drills and their design are considered. Keywords drilling of firm and rocky soils, drilling tools, design of tools