Research Article

Study of Complex Helical Drill with a “S” Type Chisel Edge Tip Orient to Carbon Fiber Reinforced Plastics

Table 1

The properties of CFRP.

Reinforcing materialCarbon fiber

Base materialEpoxy
Layer form0°/90° weaving prepreg cloth
Fiber volume fraction (%)60
Thickness (mm)5
Length (mm)400
Width (mm)400