Sandvik Coromant Silent tools - application guide - Manual (Page 91)

89
v
c
=
π × D
m
× n
1000
T
c
=
l
m
f
n
× n
Q = v
c
× AP × f
n
n =
v
c
× 1000
π × D
m
v
c
=
π × D
m
× n
12
T
c
=
l
m
f
n
× n
Q = v
c
× AP × f
n
× 12
n =
v
c
× 12
π
× D
m
P
c
=
v
c
× AP × f
n
× k
c
33 × 10 3
P
c
=
v
c
× AP × f
n
× k
c
60 × 10 3
6. Formulas and Definitions
Turning – METRIC
Cutting speed, m/min
Spindle speed, r/min
Machining time, min
Metal removal rate, cm 3 /min
Penetration rate, mm/min
Cutting speed, ft/min
Spindle speed, rpm
Machining time, min
Metal removal rate, inch 3 /min
Penetration rate, in/min
Turning – INCH