Nomenclature
A ultimate elongation
D nominal hole diameter
Dtool tool diameter
fa axial feed per tool rotation
HIT nanohardness calculated using the Oliver and Pharr method
HV1 vickers microhardness measured with an applied load of 1 kgf
Norb orbital rotation speed
Nspindle spindle rotation speed
r tool edge radius
Ra arithmetic average height of a profile
Rm ultimate tensile strength
Rp0.2 yield strength
Rq root mean square height of a profile
Rz mean peak to valley height of a profile
Sa arithmetic average height of a surface
Sdq root mean square gradient of a surface
Sku kurtosis of a surface
Sp maximum peak height of a surface
Sq root mean square height of a surface
Ssk skewness of a surface
Sv minimum valley depth of a surface
Sz maximum height of a surface
Vc cutting speed
Vfa axial feed rate