Influence of drilling incidence angle on the drilling force distribution of pneumatic impactor by Dongfang Li, Zengyang Huang, Haibin Lin, Huiyi Zhu, Wentao Fu, Yujuan Deng

“…Abstract Pneumatic impactor is widely used in the drilling process of various medium and high hard rocks with poor drill ability. Currently, there is relatively little analysis on the impact of the inclination of the rock surface during the drilling process on the drilling efficiency and excavation capability of pneumatic impactors. …”
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