Research Article

Characterization of Tool Wear in High-Speed Milling of Hardened Powder Metallurgical Steels

Table 4

Simulation input data.

Cutting tool
 Tool diameter 𝐷 0 (mm)6
 Number of Flutes 𝑛 4
 Helix angle 𝜆 (°)30
 Local helix angle 𝜆 𝑙 (°)21

Cutting parameters
 Effective cutting speed 𝑣 𝑐 , e (m/min)225, 300, and 400
 Cutting speed at shaft 𝑣 𝑐 (m/min)233, 311, and 414
 Feed per tooth 𝑓 𝑧 (mm)0.025, 0.05, and 0.075
 Row width 𝑎 e n (mm)0.05
 Cutting depth 𝑎 p n (mm)0.04
 Tilt angle 𝛽 f n (°)75
 Workpiece positionC+

Simulation parameters
 Discretization along the rotation angle 𝑑 Φ (°)0.05
 Discretization along the axial0.02
 immersion angle 𝑑 𝜅 (°)