116
v
=
Sz
=
rpm =
Sn
=
S¹
=
V
=
p
=
v
=
speed (m/min)
D
=
cutter diameter (mm)
rpm =
revolutions/min
Sn
=
feed/revolution (mm)
S¹
=
feed/minute (mm)
Sz
=
feed/tooth (mm)
Z
=
number of teeth on cutter
V
=
chip volume (cm³/min)
a
=
depth of cut (mm)
b
=
length of cut (mm)
D.
π
.
rpm
1000
S¹
rpm.Z
V. 1000
π
.D
S¹
rpm
Sz. Z. rpm
a. b. S¹
1000
3.1416
Speed and Feed Formulae
