vc	Cutting speed (m/min)
f	Feed (mm/rev)
ap	Depth of cut (mm)
TN	Tool-N
T1	Tool-1
T2	Tool-2
HRC	Rockwell hardness
FE	Finite element
J-C	Johnson-Cook model
${\mathsf{\gamma }}_0$	rake angle (°)
${\alpha }_0$	relief angle (°)
R	Nose radius (mm)
$r_{\epsilon }$	Cutting edge radius (mm)
$\lambda s$	Inclination angle (°)
$Kr$	Tool cutting edge angle (°)
$Kr$’	End cutting edge angle (°)
L1	Curved surface height (mm)
L2	Curved surface width (mm)
R1	Bottom groove radius (mm)
R2	Curved surface radius (mm)