Publication
INCREASING THE EFFICIENCY OF DRILLING BIT USE IN HARD ROCKS BY HIGH-QUALITY PERFORMANCE OF A DIAMOND-CARRYING MATRIX
(STEF92 Technology, 2022-11-15, Boranbay Ratov, B. V. Fedorov, A. M. Isonkin, Murat Ibyldaev, Bokenbay Borash)
Show more
The work is devoted to the study of the effect of powdered WC monocarbide of different grain sizes, introduced into the composition of the binder of diamond grains of the composition 94 WC + 6Co + Cu in the manufacture of a diamond-bearing matrix of BS-NQ drill bits with a diameter of 75.6 mm, designed by ISM (Ukraine). The effectiveness of the mentioned crowns was evaluated according to the proposed indicator F= ( - mechanical drilling speed; h - the value of the deepening per single experience, - - linear wear o...
Exploration and Mining2022