Page 22 - Tungaloy Catalog

Unified symbols for cutting conditions and tool dimensions

The Japan Cemented Carbide Tool Manufacturers’ Association, in cooperation with The Japan Small Cutting
Tools Association, has enacted unified quantity symbols of cutting conditions and tool specifications for users’
convenience.
(Quantity symbols of cutting conditions ) Symbol / Unit
Cutting speed Feed Depth of cut Cutting edge width Work diameter
Turning Vc m/min f mm/rev ap mm W mm øDm mm
Power consumption Specific cutting force Theoretical surface roughness Corner radius Number of revolutions
Pc kW kc MPa h µm rε mm n min -1
Cutting speed Feed speed Feed per tooth Feed Number of teeth
Vc m/min Vf mm/min fz mm/t f mm/rev z
Milling Axial depth of cut Radial depth of cut Pick feed Power consumption Specific cutting force
ap mm ae mm Pf mm Pc kW kc MPa
Chip removal rate Number of revolutions
Q cm 3 /min n min -1
Cutting speed Feed speed Feed Tool diameter Power consumption
Vc m/min Vf mm/min f mm/rev øDc mm Pc kW
Drilling
Torque Thrust force Specific cutting force Drilling depth Number of revolutions
Mc N·m Tc N Kc MPa H mm n min -1
r
Dimensional symbols of turning tools e t
r
 External turning tools  Internal turning tools
e
w
q y
r
e t
e r u y
w t
q e
w
u y q
a b c d e f g a b c d e f
Distance
Overall Head Distance Distance Shank Shank Cutting Overall Head to cutting Minimum Shank Shank
length length to cutting to cutting width height edge length length bore diameter height
edge edge height edge diameter
L1 L2 f f1 b h h1 L1 L2 f øDm øDs h
 External and face grooving tools  Internal grooving tools
o
Min. bore diameter øDm
e i t r
t
w q e
u i
w q y
u r y
a b c d e a b c d
Overall Head Distance to Maximum Shank Overall Head Distance to Maximum
length length cutting edge grooving width length length cutting edge grooving
diameter diameter
L1 L2 f øDm b L1 L2 f øDm
f g h i e f g h
Shank Cutting edge Cutting Maximum Shank Shank Cutting edge Maximum
grooving
height height edge width grooving diameter height width
depth depth
h h1 w ar øDs h w ar
 External threading tools  Internal threading tools
q
w
q
e t r w y e
r
t
e
y u

a b c d e f g a b c d e f
Overall Head Distance Shoulder Shank Shank Cutting Overall Head Distance Maximum Shank Shank
length length to cutting width width height edge length length to cutting grooving diameter height
edge height edge diameter
L1 L2 f - b h h1 L1 L2 f øDm øDs h