- 21. Computer simulation of fluid mechanics and heat transfer processes at the working face of borehole rock
- (Mining)
- ... of a Drill Bit using RSM and CFD Simulation. International journal of precision engineering and manufacturing, Vol. 15(6), рр. 1041– 1050. 8. Khrutskyi, A. A., 2009. Mathematical modeling of flange ...
- Created on 17 November 2016
- 22. Analysis of the performance of the removable diamond tools of new design
- (Geotechnical and mining mechanical engineering, machine building)
- ... core receiver with a core catcher adapter linked with the removable telescoping drill bit consisting of drill bit members, arranged according to the collet’s sectors, there are cants on its internal surfaces. ...
- Created on 08 February 2016
- 23. Methods of production and processing of wear-resistant coatings for drill bits
- (Geotechnical and mining mechanical engineering, machine building)
- ... Ukraine. Abstract: Purpose. Drill bits equipped with polycrystalline diamond cutters (PDC) are applied for drilling of oil and gas wells. The utilization of tungsten carbide and tungsten-free ...
- Created on 08 February 2016
- 24. Probabilistic estimate of PDC drill bit wear rate
- (Geotechnical and mining mechanical engineering, machine building)
- ... Purpose. To develop a probabilistic model of PDC drill bit wearing estimation according to the drilling time, drill solids and instrument design. Methodology. The method is based on ...
- Created on 13 November 2014
- 25. Optimal concentration of diamonds in different poe to composition matrices of borings impregnated crowns
- (Mechanics and Mining Machinery)
- ... drill bits. The conducted researches allow to recommend crowns with the most relative concentration of synthetic diamonds, at which, however, there is not a danger of painting of matrix. The maximal size ...
- Created on 24 December 2012
- 26. Prospects of pin boring instrument wear reduction
- (Mechanics and Mining Machinery)
- Authors: Hromadskyi A.S., Khrutskyi A.O. In the article the research results of drill bits wear are considered. The results of experimental researches and industrial tests ...
- Created on 21 December 2012
- 27. Some aspects of imitation design of breaking surface of diamond impregnated bit
- (Mechanics and Mining Machinery)
- ... drill bit and influences of it on the capacity of drilling instrument. ...
- Created on 21 December 2012
- 28. Study of information-analytical properties of electromechanical system by unlinear correction as to power assignment
- (Electrical complexes and systems)
- ... of control by the process of drilling when parabolic mechanical characteristic of the drill bit appear in the process of destruction of hard rock. This makes the rolling cutter bit work in resource saving ...
- Created on 13 November 2012
- 29. Influence of cryotreating on change of properties of synthetic diamonds and efficiency of their application in drilling tools
- (Solid-state physics, mineral processing)
- ... tools was estimated by results of researches of wear resistance of drill bits and power expenses when drilling of rock. Findings. Nature of change of static durability of diamonds from the samples subjected ...
- Created on 08 November 2012