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Chinese Journal of Mechanical Engineering

Table 2 Geometric parameters of drill bits and their values

From: Cooling and Crack Suppression of Bone Material Drilling Based on Microtextured Bit Modeled on Dung Beetle

Parameter

Value

Vertex (°)

135

Helix angle (°)

30

Blade inclination (°)

55

Diameter (mm)

4.2

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