Keywords: drill bit; roller cone; borehole bottom; shear stress; kerf cutting
Suggested citation
Minieiev, S., Pashchenko, O., Antonchyk, V., Hankevych, V., & Kiba, V.
(2025).
Development of a six-cone drill bit for efficient drilling of hard and ultra-hard rocks through optimised borehole bottom configuration.
Mining Journal of Kryvyi Rih National University,
59(2),
46-55.
https://doi.org/10.31721/2306-5435-2025-2-46-55
