Page 1033 - Tungaloy Catalog

Technical Reference
Solid Carbide Endmills
Part details Types

Neck Shank Square

Outside diameter Shank diameter Ball nose
øDc

Neck length
Flute length Shank length Center hole
øDc
Overall length
Radius
øDc
Radial rake Concave angle
Corner Peripheral
Land width End cutting edge
Flute 1st radial relief cutting edge
2nd radial relief End gash Taper neck
øDc1
Axial rake

Ball nose with taper neck
1st end relief

2nd end relief

Cutting condition of Endmills

 Cutting speed
 Cutting speed (Calculated from number of revolutions)
SFM: Surface feet per minute
31. 9 %JB RPM: Revolutions per minute
4'.
Dia: Diameter
 Number of revolution (Calculated from cutting speed)
SFM: Surface feet per minute
4'. 9 RPM: Revolutions per minute
31.
%JB Dia: Diameter

 Feed speed and feed rate Technical Reference
vf : Table feed (in/min)
fz : Feed rate per tooth (ipt)
z : No. of teeth of the endmills
n : Number of revolutions (min -1 )
Up milling Down milling 14
● Cutting
The necessary capacity of the machine is limited by the length
of cut edge of the endmill.
● Up milling and down milling
Down milling generally produces better tool life and surface
roughness.
In case of cast iron sand inclusion or welding surface, up
milling is recommended.

14–15