Page 23 - Tungaloy Catalog

Dimensional symbols of milling tools
 Bore type milling tools Square shoulder cutter  Shank type milling tools
Fig.1 Fig.2 Square shoulder cutter

90°

90°

a b c d
Fig.3 Fig.4 Overall Shank Cutter Cutter
245 length length height diameter
150
ø101.6 ø190 ø177.8 L r s Lf øDc
45° 45°
0 0 e f g h
Maximum Maximum Shank Corner
ø101.6 outer depth of diameter angle
diameter cut
øD1 ap øDs κ
a d e f g h i j k l m n o
Mounting
Mounting
Cutter Cutter Maximum Maximum Hole Key way Key way Mounting Mounting Corner bolt counter bolt hole Mounting
outer
hole
bolt hole
flat
height diameter diameter depth of cut diameter width depth depth diameter angle bore dia. diameter depth
Lf øDc øD1 ap d a b r øDb κ ød1 ød2 r 1
Dimensional symbols of endmills
 Square endmills Taper-neck ball endmills
 Radius endmills  Taper square endmills

a b c d e f Ball f Radius g h i j k l m
end
end
Overall Shank Neck Length of Cutting Ball Corner Tool Shank Half angle Half angle Neck Interfer- Helix
ence
of cutting
of neck
edge
parallel
length length length portion length radius radius diameter diameter taper edge taper diameter angle angle
L r s r 2 r 1 r R r øDc øDs θn θc øD1 θκ λ
Dimensional symbols of side cutters
a b c d e
Cutter Bore Cutting Boss Boss
diameter diameter edge width thickness diameter
øDc ød r T øDb
f g h i j
Cutting Corner Key way Key way Number of
edge
angle radius width depth teeth
α R a b z
Dimensional symbols of drills
 Solid straight drills  Solid step drills

a b c d e f a b c d e f g h
Overall Flute Shank Drill Shank Point Overall Flute Shank First Shank Point Second Step
length length length diameter diameter length length length length step drill diameter length step drill length
diameter
diameter
L r r s øDc øDs Lp L r r s øDc øDs Lp øDc2 r 1