- 1. Influence of disperse-hardening additive chrome diboride on the structure of carbide matrixes of PDC drill bits
- (Content №4 2024)
- ... with CrB2 additives with improved mechanical and performance properties for creating matrices of rock-cutting tools for drilling oil and gas wells. Methodology. The assigned tasks were solved using a ...
- Created on 28 August 2024
- 2. Drilling wells taking into account the dynamic properties of rocks
- (Content №2 2024)
- ... is possible by installing the cavitation hydraulic vibrator in the drill string in front of the rock-cutting tool. Purpose. Evaluation of resonant modes (frequencies of oscillations) for the dynamic ...
- Created on 01 May 2024
- 3. A methodological approach to assessing the durability of welded structures of screens using SolidWorks Simulation software
- (Content №6 2023)
- ... Kabakova, L., & Livak, O. (2019). The feasibility evaluation of using cyclic thermal effect in the rock-cutting tools during drilling hard rock. E3S Web of Conferences, 109, 00026. https://doi.org/10.1051/e3sconf/201910900026. ...
- Created on 23 December 2023
- 4. Geometric modelling of face processing surfaces by planetary executive devices of tunnelling machines
- (Content №5 2023)
- ... - 059 https://doi.org/10.33271/nvngu/2023-5/054 Abstract: Purpose. To identify characteristic surface forms generated by the movement of a cutting tool located on the working disks of a planetary executive ...
- Created on 27 October 2023
- 5. Substantiating a method for computer analysis of the stress-strain state of the tubbing erector manipulator mechanism
- (Content №4 2023)
- ... 16. Hankevich, V., Moskalova, T., Kabakova, L., & Livak, O. (2019). The feasibility evaluation of using cyclic thermal effect in the rock-cutting tools during drilling hard rock. E3S Web of Conferences, ...
- Created on 28 August 2023
- 6. Formation mechanisms of maximal loads on cutters and cutting heads of coal mining machines
- (Content №5 2021)
- ... of the cutting tool with the coal massif. Mining Equipment and Electromechanics. https://doi.org/10.26730/1816-4528-2018-6-34-39. 4. Zakharov, Y.N., & Shcherba, T.P. (2014). Study of the effectiveness ...
- Created on 29 October 2021
- 7. Evaluation of hydraulic power of drilling string with a cavitation hydrovibrator
- (Content №3 2021)
- ... accelerations and hydraulic vibrational power in the section of the rock cutting tool on the criterion parameter of cavitation . Originality. Taking into account the influence of the string elements vibration ...
- Created on 23 June 2021
- 8. Methods for determining the efficiency of the grinding process
- (Contens №5 2020)
- Authors: A. V. Rudyk, orcid.org/0000-0002-3582-9279, State Research Institute for Testing and Certification of Weapons and Military Equipment, Chernihiv, Ukraine, e‑mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ...
- Created on 30 October 2020
- 9. Some features of drilling technology with PDC bits
- (Contens №3 2020)
- ... speed on the frictional forces on the cutters of the rock-cutting tool. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, (1), 21-27. https://doi.org/10.29202/nvngu/2019-1/22. 15. Biletsky, M. ...
- Created on 02 July 2020
- 10. Model of surface roughness in turning of shafts of traction motors of electric carst
- (Content №1 2020)
- ... significant impact on the choice of geometric parameters of the cutting tool. Most often, roughness is considered as a deterministic set of irregularities of the same size and shape. There are dependencies ...
- Created on 10 March 2020
- 11. Mathematical model of heat processes in terms of gas-saturated rock breaking by means of shearers and tunneling machines
- (Content №1 2020)
- Authors: Ya. Ya. Lebediev, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0002-2992-2581, Dnipro University of Technology, Dnipro, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. O.V.Stolbchenko, Cand. ...
- Created on 10 March 2020
- 12. Contens 01 2019
- (Contens №1 2019)
- ... on the cutters of the rock-cutting tool 21 O.M.Shashenko, S.M.Hapieiev, V.G.Shapoval, O.V.Khalymendyk.Analysis of calculation models while solving ...
- Created on 20 March 2019
- 13. Dependence of the drilling speed on the frictional forces on the cutters of the rock-cutting tool
- (Mining)
- ... more intensively. Originality. For the first time, the influence of the frictional force, which appears on the front of the tool of the rock cutting tool on the true axial load, the depression ...
- Created on 08 March 2019
- 14. Determination of development grounds and characteristics of mobile multi-coordinate robotic machines for materials machining in field conditions
- (Geotechnical and mining mechanical engineering, machine building)
- ... were suggested. Conditions for the improvement of the accuracy of the robotic machine during the process of machining with a rotary cutting tool were determined. They include accordance of the main axes ...
- Created on 17 November 2016
- 15. Methods of production and processing of wear-resistant coatings for drill bits
- (Geotechnical and mining mechanical engineering, machine building)
- ... университета Габрово. – 2011. – Т. 42. – C. 39–44. Salenko, A.F., Fedotiev, A.N. and Fedotiev, N.A. (2011), “Promising technologies in production of drilling and cutting tools”, Journal of Technical ...
- Created on 08 February 2016
- 16. Estimation of frictional sparking effect on firedamp inflammation during fragmentation of gas-saturated rock massif
- (Mining)
- ... model describing the process of heat transfer into the surrounding methane-air medium by the moving cloud of frictional sparks formed as a result of interaction of the cutting tool of the working body ...
- Created on 24 December 2013
- 17. Experimental research of the boring technology with pulsating instrument rotation
- (Electrical complexes and systems)
- ... energy parameters of the electromechanical system. We have analyzed the mode parameters of electromechanical drive of the rotation of rock cutting tool. The influence of the weight capacity on energy characteristics ...
- Created on 19 December 2012