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Analytical study of rock cutting mechatron vibration system by flat auger tools

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Category: Mining

Last Updated on 04 August 2016

Published on 04 August 2016

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Authors:

S.P.Shevchuk, Dr. Sc. (Tech.), Prof., National Technical University of Ukraine “Kiev Polytechnic Institute”, Kiev, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

N.A.Shevchuk, Cand. Sc. (Tech.), Assoc. Prof., National Technical University of Ukraine “Kiev Polytechnic Institute”, Kiev, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

O.O.Vovk, Dr. Sc. (Tech.), Assoc. Prof., National Technical University of Ukraine “Kiev Polytechnic Institute”, Kiev, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

S.V.Zaichenko, Dr. Sc. (Tech.), Assoc. Prof, National Technical University of Ukraine “Kiev Polytechnic Institute”, Kiev, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract:

Purpose. To create a mechatron model of vacuum tube vibration system for rock cutting by flat auger tools based on physical and mechanical properties of processed array and kinematic characteristics of the instrument.

Methodology. The analytical model of the fracture process of rock cutting by tool vibration considering plastic properties of the massif was developed. The main technological parameters of massif vibrating cutting with normal variations were modelled: dependences of normal and tangential pressure in the zone of working body interaction with the medium, normal and shear stresses in the zone of destruction, rock characteristics of the medium, vibration parameter dependences on the characteristics of mechatronic system geometry of the contact area of flat chisel treated with medium.

Findings. The choice of the computational model of the vibration rock cutting with the normal to the direction of movement of the working body fluctuations was substantiated considering the processes arising from destruction: the occurrence of compressive and tensile stresses. The main stages and interconnection options in the simulation of vibration cutting were established.

Originality. Scientific novelty lies in the development of a method of analysis of contact interaction of roller working body molding machine with an array taking into account the changes in the stabilization process of physical and mechanical properties of the treated medium, the aim of which is to predict the required voltage and depth of the formed layer.

Practical value. The theoretical basis of rock cutting by flat auger tool taking into account the normal component of the vibration with regard to the movement direction allowing for the deformation of the rock mass and the contact interaction with the working body was established, that allows improving the technology of drilling wells by reducing the power consumption of the cutting process. The results enable us to determine the parameters of power and kinematic conditions for the occurrence of the vibration cutting.

Reference / Список літератури

1. Neskromnykh, V.V., 2012. Razrusheniie gornyh porod pri provedenii heolohorazvedochnykh rabot [Destruction of rocks during exploration]. Krasnoyarsk: SFU.

Нескоромных В.В. Разрушение горных пород при проведении геологоразведочных работ / Нескоромных В.В. – Красноярск: СФУ, 2012. – 300 с.

2. Borisov, K.I., 2012. The scientific method of evaluating the effectiveness of the dynamic processes of destruction of rocks during drilling modern tools of cutting-breaking action, Dr Sc. (Tech.). Tomsk.

Борисов К.И. Научный метод оценки эффективности динамических процессов разрушения горных пород при бурении скважин современными инструментами режуще-скалывающего действия: автореф. дис. на соискание научной степени д-ра техн. наук: 25.00.14 / К.И.Борисов. – Томск, 2012. – 36 с.

3. Neskromnykh, V.V., 2012. Analytical study of the process of cutting, chipping rock bit with PDC cutters. Bulletin of the Tomsk Politechnic University, Vol. 323, No. 1, pp. 191–195

Нескоромных В.В. Аналитическое исследование процесса резания-скалывания горной породы долотом с резцами PDC / В.В.Нескоромных, К.И.Борисов // Известия Томского политехнического университета. – 2013. – Т. 323. – № 1. – С. 191–195.

4. Neishteter, I.A., 1998. The kinetic nature of static and dynamic rock failure. In: The Ural State Mining and geological Academy, Improving the Technique and Technology of Drilling Boreholes for Solid Commercial Minerals, Russia, 1998, Yekaterinburg.

Нейштетер И.А. Кинетическая природа статического и динамического разрушения горных пород / И.А.Нейштетер // Межвузовский научный тематический сборник „Совершенствование техники и технологии бурения скважин на твердые полезные ископаемые‟. – 1998. – Вып. 21. – С. 53–67.

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