Analysis of constructional specific features of double-cone drill bits
Constructional features of double-cone drill bits are analyzed. The most interesting patented constructional features of double-cone drill bits are described. The advantages and disadvantages of a two-cone assembly of a drilling tool are established. The expediency of further research of the work and constructional features of double-cone drill bits has been substantiated, due to the fact that it is of great scientific and practical interest.