Conceptual Control Method of Drilling Rig’s Torsional Vibrations Frequencies

Tomasz Trawiński, Marcin Szczygieł, Bartosz Polnik and Przemysław Deja
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Tomasz Trawiński: Mechatronics Department, Silesian University of Technology, Akademicka 10a, 44-100 Gliwice, Poland
Marcin Szczygieł: Mechatronics Department, Silesian University of Technology, Akademicka 10a, 44-100 Gliwice, Poland
Bartosz Polnik: KOMAG Institute of Mining Technology, Pszczyńska 37, 44-101 Gliwice, Poland
Przemysław Deja: KOMAG Institute of Mining Technology, Pszczyńska 37, 44-101 Gliwice, Poland

Energies, 2021, vol. 14, issue 24, 1-13

Abstract: This article focuses on the possibility of using an innovative drilling method for the implementation of underground works, especially where there is no physical possibility of using large working machines. Work on a model carried out under the INDIRES project is discussed. A design of a drilling tool equipped with the proposed technology is presented. The solution in question makes it possible to increase the efficiency of the drilling process, which is confirmed by computer simulations. Also, introductory tests of a drilling process supported by torsional vibration generated by an electromagnetic torque generator provided in the KOMAG laboratory facility show the reduction of the drilling time by almost two-fold. In our opinion, adding torsional vibration acting on the plane of a drilled wall that equals natural frequencies of the drilled material represents a promising new technology for drilling. The presented work constitutes the basis for the development of the proposed technology and allows us to conclude that the developed method will be of great interest to manufacturers of drilling machines and devices.

Keywords: drilling rig; torsional vibration; electromagnetic torque; generator; control methods; mining machine; underground works (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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