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Speed & Feed Data for High Speed End Mills
Starting Point Speed & Feed Ranges

Material Type: Alpha-Beta Titanium Alloy - Wrought
Condition: Solution Treated & Aged
Grade: TI-6AL-4V
Brinell: 320-400


Peripheral Machining

Axial Depth (A.D.) = Dia. X 1.5 Max.

Radial
Depth
(R.D.)
Ratio
Surface Feet per Minute (S.F.P.M.)
Finishing End Mill
Roughing End Mill
STD.
TiN.
TiCN.
STD.
TiN.
TiCN.
DIA./16
85
85
111
102
102
143
DIA./8
75
75
98
90
90
126
DIA./4
40
40
52
48
48
67
DIA./2
30
30
39
36
36
50

Feed per Tooth (F.P.T.) by Diameter
Note: Increase F.P.T. by 25% to 35% for 60 Degree end mills
Note: Increase F.P.T. by 25% for TiCN coating.
1/4"
3/8"
1/2"
5/8"
3/4"
7/8"
1." & Up
.0013
.0019
.0025
.0031
.0038
.0044
.0050
.0011
.0015
.0020
.0025
.0030
.0035
.0040
.0008
.0011
.0015
.0019
.0023
.0026
.0030
.0005
.0008
.0010
.0013
.0015
.0018
.0020




Slot Machining

Radial Depth (R.D.) = Tool Dia.

Axial
Depth
(A.D.)
Ratio
Surface Feet per Minute (S.F.P.M.)
Finishing End Mill
Roughing End Mill
STD.
TiN.
TiCN.
STD.
TiN.
TiCN.
DIA./8
55
55
72
66
66
92
DIA./4
50
50
65
60
60
84
DIA./2
40
40
52
48
48
67
DIA./1
30
30
39
36
36
50

Feed per Tooth (F.P.T.) by Diameter
Note: Increase F.P.T. by 25% to 35% for 60 Degree end mills
Note: Increase F.P.T. by 25% for TiCN coating.
1/4"
3/8"
1/2"
5/8"
3/4"
7/8"
1." & Up
.0013
.0019
.0025
.0031
.0038
.0044
.0050
.0011
.0015
.0020
.0025
.0030
.0035
.0040
.0008
.0011
.0015
.0019
.0023
.0026
.0030
.0005
.0008
.0010
.0013
.0015
.0018
.0020

   

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