DRILL BITS REINFORCED WITH PDC CUTTERS ROTATING DURING DRILLING

Abstract

The purpose of the work, the results of which are reflected in this article, was to analyze the most modern designs of bits with polycrystalline diamond cutters (PDC). For this, literary and patent sources on this topic, prospectuses of leading manufacturers of drill bits were analyzed. It is shown that the modern development of ONYX 360 and Enduro 360 cutters by Smith Bits confirmed the prospects and efficiency of the earlier development of specialists from NTU "Dniprovska Polytechnic" and specialists from the V. N. Bakul Institute for Superhard Materials of National Academy of Sciences of Ukraine. It was found that the advantage of Smith Bits rotary cutter bit design is a simpler design that takes into account the specifics of modern PDC cutters.