2023
DOI: 10.3390/app132011389
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Investigation of the Rock-Breaking Mechanism of Drilling under Different Conditions Using Numerical Simulation

Xinxing Liu,
Hao Kou,
Xudong Ma
et al.

Abstract: The interaction between the drill bit and rock is a complex dynamic problem in the process of drilling and breaking rock. In this paper, the dynamic process of drilling and breaking rock is analyzed using ABAQUS software. The rock-breaking mechanism of drilling is revealed according to the stress–strain state of the rock and the force of the drill bit. The effect of the size of the drill bit and the characteristics of the rock mass on the drilling parameters is studied during the drilling process. The results … Show more

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