
Series 33CR Fractional Hardness Profile CARBON STEELS 1018, 1040, 1080, 1090, 275 Bhn 10L50, 1140, 1212, or
12L15, 1525, 1536 Slot
P Profile ALLOY STEELS
4140, 4150, 4320, 5120, or 5150, 8630, 86L20,
50100 Slot
Profile TOOL STEELS 375 Bhn
H A2, D2, H13, L2, M2, or
P20, S7, T15, W2 40 HRc Slot
Profile CAST IRONS (LOW & MEDIUM 220 Bhn ALLOY) or Gray, Malleable, 19 HRc Ductile Slot
K Profile CAST IRONS
(HIGH ALLOY) or Gray, Malleable,
Ductile Slot
Profile STAINLESS STEELS
(FREE MACHINING) M or 303, 416, 420F,
430F, 440F Slot
Ap Diameter (D )
Ae Ae (inch) 1
Vc
Ae x D Ap x D (sfm) 1/8 1/4 3/8 1/2 5/8 3/4 1
1 1
550 RPM 16808 8404 5603 4202 3362 2801 2101
(440-660)
| Feed (ipm) | 25.2 | 30.3 | 38.7 | 39.1 | 39.3 | 33.6 | 27.1 | ||||
| 440 | RPM | 13446 | 6723 | 4482 | 3362 | 2689 | 2241 | 1681 | |||
| 1 | 1 | Fz | 0.0005 | 0.0012 | 0.0023 | 0.0031 | 0.0039 | 0.0040 | 0.0043 |
(352-528)
| Feed (ipm) | 20.2 | 24.2 | 30.9 | 31.3 | 31.5 | 26.9 | 21.7 | |
| 315 | RPM | 9626 | 4813 | 3209 | 2407 | 1925 | 1604 | 1203 |
(252-378)
| Feed (ipm) | 11.6 | 13.0 | 16.4 | 16.6 | 16.7 | 14.4 | 11.6 | ||||
| 250 | RPM | 7640 | 3820 | 2547 | 1910 | 1528 | 1273 | 955 | |||
| 1 | 1 | Fz | 0.0004 | 0.0009 | 0.0017 | 0.0023 | 0.0029 | 0.0030 | 0.0032 |
(200-300)
| Feed (ipm) | 9.2 | 10.3 | 13.0 | 13.2 | 13.3 | 11.5 | 9.2 | |
| 185 | RPM | 5654 | 2827 | 1885 | 1413 | 1131 | 942 | 707 |
(148-222)
| Feed (ipm) | 5.1 | 5.9 | 7.9 | 7.6 | 7.8 | 6.8 | 5.3 | ||||
| 145 | RPM | 4431 | 2216 | 1477 | 1108 | 886 | 739 | 554 | |||
| 1 | 1 | Fz | 0.0003 | 0.0007 | 0.0014 | 0.0018 | 0.0023 | 0.0024 | 0.0025 |
(116-174)
| Feed (ipm) | 4.0 | 4.7 | 6.2 | 6.0 | 6.1 | 5.3 | 4.2 | |
| 445 | RPM | 13599 | 6800 | 4533 | 3400 | 2720 | 2267 | 1700 |
(356-534)
| Feed (ipm) | 14.3 | 22.4 | 28.6 | 28.6 | 28.6 | 24.5 | 19.9 | ||||
| 355 | RPM | 10849 | 5424 | 3616 | 2712 | 2170 | 1808 | 1356 | |||
| 1 | 1 | Fz | 0.0004 | 0.0011 | 0.0021 | 0.0028 | 0.0035 | 0.0036 | 0.0039 |
(284-426)
| Feed (ipm) | 11.4 | 17.9 | 22.8 | 22.8 | 22.8 | 19.5 | 15.9 | |
| 340 | RPM | 10390 | 5195 | 3463 | 2598 | 2078 | 1732 | 1299 |
(272-408)
| Feed (ipm) | 9.4 | 12.5 | 16.6 | 16.4 | 16.2 | 14.0 | 11.3 | ||||
| 270 | RPM | 8251 | 4126 | 2750 | 2063 | 1650 | 1375 | 1031 | |||
| 1 | 1 | Fz | 0.0003 | 0.0008 | 0.0016 | 0.0021 | 0.0026 | 0.0027 | 0.0029 |
(216-324)
| Feed (ipm) | 7.4 | 9.9 | 13.2 | 13.0 | 12.9 | 11.1 | 9.0 | |
| 490 | RPM | 14974 | 7487 | 4991 | 3744 | 2995 | 2496 | 1872 |
(392-588)
| Feed (ipm) | 17.1 | 22.5 | 28.5 | 28.1 | 27.9 | 24.0 | 19.7 | ||||
| 390 | RPM | 11918 | 5959 | 3973 | 2980 | 2384 | 1986 | 1490 | |||
| 1 | 1 | Fz | 0.0004 | 0.0010 | 0.0019 | 0.0025 | 0.0031 | 0.0032 | 0.0035 |
(312-468)
Feed (ipm) 13.6 17.9 22.6 22.3 22.2 19.1 15.6
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