Drilling performance analysis of impregnated micro bit-Reference-Cited by-同舟云学术

Drilling performance analysis of impregnated micro bit

Published:2022-10-19 Issue:2 Volume:13 Page:867-875
ISSN:2191-916X
Container-title:Mechanical Sciences
language:en
Short-container-title:Mech. Sci.

Author:

Song Dongdong^ORCID,Ren Zhangping,Yang Yingxin,Chen Yousheng,Nie Gao,Tan Leichuan,Peng Hao,Li Zijie,Chen Xiaojing,Li Meng,Ren Haitao,Zuo Long

Abstract

Abstract. The cutting mechanical properties of impregnated diamond bit depend on the performance of its cutting elements. Aiming at the factors affecting the cutting element performance of impregnated diamond bit, the laboratory rock breaking experiment of impregnated micro bit is carried out. The results show that the breaking work ratio and unit wear first decrease and then increase with the increase of diamond particle size and concentration when drilling sandstone; the rock breaking efficiency and wear resistance are the highest when the concentration is 125 %. The breaking work ratio first decreases and then increases with the increase of diamond particle size when drilling limestone; the rock cutting efficiency is the highest when the concentration is 100 %. With the increase of diamond particle size, the breaking work ratio increases and the unit wear decreases when drilling granite; the rock cutting efficiency and wear resistance are the highest when the concentration is 150 %.

Publisher

Copernicus GmbH

Subject

Industrial and Manufacturing Engineering,Fluid Flow and Transfer Processes,Mechanical Engineering,Mechanics of Materials,Civil and Structural Engineering,Control and Systems Engineering

Link

https://ms.copernicus.org/articles/13/867/2022/ms-13-867-2022.pdf

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