Sandvik Coromant Silent tools - application guide - Manual (Page 92)

90
6. Formulas and Definitions
D
m
f
n
AP
v
c
n
P
c
Q
h
m
h
ex
T
c
l
m
k
c
KAPR
PSIR
BD
DC
LU
mm
mm/r
mm
m/min
rpm
kW
cm
3 /min
mm
mm
min
mm
N/mm
2
degree
mm
mm
mm
Machined diameter
Feed per revolution
Cutting depth
Cutting speed
Spindle speed
Net power
Metal removal rate
Average chip thickness
Maximum chip thickness
Period of engagement
Machined length
Specific cutting force
Entering angle
Lead angle
Body diameter
Cutting diameter
Usable length
Symbol Designation/ defination Metric
inch
inch/r
inch
ft/min
rpm
HP
inch
3 /min
inch
inch
min
mm
N/inch
2
degree
inch
inch
inch
Inch