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Speed
& Feed Data for High Speed End Mills
Starting
Point Speed & Feed Ranges
| Material
Type: |
Precipitation
Hardening Stainless Steel - Wrought |
| Condition: |
Solution
Treated or Hardened |
| Grade: |
17-4
PH |
| Brinell: |
275-325 |
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 |
98 |
111 |
102 |
122 |
143 |
| DIA./8 |
65 |
75 |
85 |
78 |
94 |
109 |
| DIA./4 |
55 |
63 |
72 |
66 |
79 |
92 |
| DIA./2 |
50 |
58 |
65 |
60 |
72 |
84 |
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 |
|
.0010 |
.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 |
50 |
58 |
65 |
60 |
72 |
84 |
| DIA./4 |
45 |
52 |
59 |
54 |
65 |
76 |
| DIA./2 |
40 |
46 |
52 |
48 |
58 |
67 |
| DIA./1 |
35 |
40 |
46 |
42 |
50 |
59 |
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 |
|
Niagara Cutter, LLC •
200 John James Audubon Pkwy • Amherst, NY 14228 USA
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