Fig. 2 | Scientific Reports

Fig. 2

From: Influence of drilling incidence angle on the drilling force distribution of pneumatic impactor

Fig. 2

Simplified 3D model of bit head(column tooth)-impact piston-rock(with initial hole) 1-ANSYS 19.2 available from: https://www.ansys.com/zh-cn/products/fluids/ansys-fluent; 2-AUTODESK INVENTOR 2023 avaliable from: https://www.autodesk.com.cn/products/inventor/overview?term=1-YEAR&tab=subscription. (a) Simplified diagram of Mechanical structure. (b) Simplified diagram of 3D finite element.

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