Sandvik Coromant Silent tools - application guide - Manual (Page 95)

93
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
V
f
= f
n
× n V
f
= f
n
× n
f
n
= ZEFF × f
z
f
n
= ZEFF × f
z
6. Formulas and Definitions
Boring – 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
Boring – INCH
Feed per revolution, mm/r Feed per revolution, in/r