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FRACTIONAL
2 Flute: High Shear End Mills
4 Flute: High Shear End Mills
Series
52, 54
Fractional
Hardness
Flutes
Ap
Ae
Ae
Vc
(sfm)
Diameter (D
1
)
(inch)
Ae x D
1
Ap x D
1
1/8
1/4
3/8
1/2
3/4
1
N
ALUMINUM ALLOYS
2024, 5052, 5086,
6061, 6063, 7075
≤ 150 Bhn
or
≤ 7 HRc
Profile
1360
RPM 41562
20781
13854
10390
6927
5195
(1088-1632)
Fz
0.00069 0.0018 0.0034 0.0046 0.0055 0.0064
2
≤ 0.3
≤ 1.5
Feed (ipm)
57.4
74.8
94.2
95.6
76.2
66.5
4
≤ 0.3
≤ 1.5
114.7
149.6
188.4
191.2
152.4
133.0
Slot
1090
RPM 33310
16655
11103
8328
5552
4164
(872-1308)
Fz
0.00063 0.0017 0.0032 0.0042 0.0050 0.0059
2
1
≤ 1
Feed (ipm)
42.0
56.6
71.1
70.0
55.5
49.1
4
1
≤ 0.25
83.9
113.3
142.1
139.9
111.0
98.3
ALUMINUM DIE
CAST ALLOYS
(HIGH SILICON)
A-390, A-392, B-390
≤ 125 Bhn
or
≤ 77 HRb
Profile
510
RPM 15586
7793
5195
3896
2598
1948
(408-612)
Fz
0.00069 0.0018 0.0034 0.0046 0.0055 0.0064
2
≤ 0.3
≤ 1.5
Feed (ipm)
21.5
28.1
35.3
35.8
28.6
24.9
4
≤ 0.3
≤ 1.5
43.0
56.1
70.7
71.7
57.1
49.9
Slot
410
RPM 12530
6265
4177
3132
2088
1566
(328-492)
Fz
0.00063 0.0017 0.0032 0.0042 0.0050 0.0059
2
1
≤ 1
Feed (ipm)
15.8
21.3
26.7
26.3
20.9
18.5
4
1
≤ 0.25
31.6
42.6
53.5
52.6
41.8
37.0
COPPER ALLOYS
Aluminum Bronze,
Muntz Brass, Naval,
Brass, Red Brass
≤ 140 Bhn
or
≤ 3 HRc
Profile
590
RPM 18030
9015
6010
4508
3005
2254
(472-708)
Fz
0.00039 0.0010 0.0020 0.0026 0.0031 0.0037
2
≤ 0.3
≤ 1.5
Feed (ipm)
14.1
18.0
24.0
23.4
18.6
16.7
4
≤ 0.3
≤ 1.5
28.1
36.1
48.1
46.9
37.3
33.4
Slot
475
RPM 14516
7258
4839
3629
2419
1815
(380-570)
Fz
0.00036 0.0010 0.0018 0.0024 0.0029 0.0034
2
1
≤ 1
Feed (ipm)
10.5
14.5
17.4
17.4
14.0
12.3
4
1
≤ 0.25
20.9
29.0
34.8
34.8
28.1
24.7
COPPER ALLOYS
Beryllium Copper,
C110, Manganese
Bronze, Tin Bronze
≤ 200 Bhn
or
≤ 23 HRc
Profile
235
RPM 7182
3591
2394
1795
1197
898
(188-282)
Fz
0.00039 0.0010 0.0020 0.0026 0.0031 0.0037
2
≤ 0.3
≤ 1.5
Feed (ipm)
5.6
7.2
9.6
9.3
7.4
6.6
4
≤ 0.3
≤ 1.5
11.2
14.4
19.2
18.7
14.8
13.3
Slot
190
RPM 5806
2903
1935
1452
968
726
(152-228)
Fz
0.00036 0.0010 0.0018 0.0024 0.0029 0.0034
2
1
≤ 1
Feed (ipm)
4.2
5.8
7.0
7.0
5.6
4.9
4
1
≤ 0.25
8.4
11.6
13.9
13.9
11.2
9.9
PLASTICS
ABS, Polycarbonate,
PVC, Polypropylene
Profile
1600
RPM 48896
24448
16299
12224
8149
6112
(1280-1920)
Fz
0.00110 0.0030 0.0056 0.0074 0.0089 0.0100
2
≤ 0.3
≤ 1.5
Feed (ipm)
107.6
146.7
182.5
180.9
145.1
122.2
4
≤ 0.3
≤ 1.5
215.1
293.4
365.1
361.8
290.1
244.5
Slot
1280
RPM 39117
19558
13039
9779
6519
4890
(1024-1536)
Fz
0.00100 0.0027 0.0051 0.0068 0.0082 0.0095
2
1
≤ 1
Feed (ipm)
78.2
105.6
133.0
133.0
106.9
92.9
4
1
≤ 0.25
156.5
211.2
266.0
266.0
213.8
185.8
PLASTICS
Fiberglass,
Glass Filled
Profile
720
RPM 22003
11002
7334
5501
3667
2750
(576-864)
Fz
0.00082 0.0022 0.0041 0.0055 0.0065 0.0076
2
≤ 0.3
≤ 1.5
Feed (ipm)
36.1
48.4
60.1
60.5
47.7
41.8
4
≤ 0.3
≤ 1.5
72.2
96.8
120.3
121.0
95.3
83.6
Slot
575
RPM 17572
8786
5857
4393
2929
2197
(460-690)
Fz
0.00075 0.0020 0.0037 0.0050 0.0060 0.0070
2
1
≤ 1
Feed (ipm)
26.4
35.1
43.3
43.9
35.1
30.8
4
1
≤ 0.25
52.7
70.3
86.7
87.9
70.3
61.5
Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B)
rpm = (Vc x 3.82) / D
1
ipm = Fz x number of flutes x rpm
reduce speed and feed for materials harder than listed
reduce feed and Ae when finish milling (.02 x D
1
maximum)
refer to the KYOCERA SGS Tool Wizard
®
for complete technical information (www.kyocera-sgstool.com)