
| Series 57M | Ae | Ap Ae | Vc | Diame (m | ter (D1) m) | |||||||
| Metric | Hardness | Ae x D1 | Ap x D1 | (m/min) | 6 | 8 | 10 | 12 | 16 | 20 | ||
| Slot | 66 | RPM | 3499 | 2624 | 2099 | 1749 | 1312 | 1050 | ||||
| 1 | ≤ 0.3 | (53-79) | Fz | 0.032 | 0.048 | 0.064 | 0.079 | 0.094 | 0.109 | |||
| Feed (mm/min) | 672 | 756 | 806 | 829 | 740 | 686 | ||||||
| TOOL STEELS MOLD AND DIE STEEL | ≤ 420 Bhn | Profile | 81 | RPM | 4294 | 3220 | 2576 | 2147 | 1610 | 1288 | ||
| 300M, 4340, 52100, HP-9-4-20, M50, A2, | or ≤ 45 HR | ≤ 0.1 | ≤ 1.5 | (65-97) | Fz | 0.046 | 0.066 | 0.089 | 0.112 | 0.132 | 0.152 | |
| D2, H13, L2, M2, P20, S7, T15, W2 | c | Feed (mm/min) | 1185 | 1275 | 1376 | 1443 | 1275 | 1175 | ||||
| HSM | 171 | RPM | 9064 | 6798 | 5439 | 4532 | 3399 | 2719 | ||||
| ≤ 0.04 | ≤ 1.5 | (137-205) | Fz | 0.056 | 0.084 | 0.112 | 0.140 | 0.170 | 0.200 | |||
| Feed (mm/min) | 3046 | 3426 | 3655 | 3807 | 3467 | 3263 | ||||||
| Slot | 37 | RPM | 1961 | 1471 | 1177 | 981 | 735 | 588 | ||||
| 1 | ≤ 0.3 | (30-44) | Fz | 0.025 | 0.038 | 0.051 | 0.064 | 0.077 | 0.090 | |||
| Feed (mm/min) | 294 | 335 | 360 | 377 | 340 | 318 | ||||||
| TOOL STEELS MOLD AND DIE STEEL | ≤ 560 Bhn | Profile | 46 | RPM | 2438 | 1829 | 1463 | 1219 | 914 | 732 | ||
| H 300M, 4340, 52100, HP-9-4-20, M50, A2, | or | ≤ 0.1 | ≤ 1.5 | Fz | 0.036 | 0.053 | 0.071 | 0.089 | 0.107 | 0.125 | ||
| D2, H13, L2, M2, P20, S7, T15, W2 | ≤ 55 HRc | (37-55) | Feed (mm/min) | 527 | 582 | 623 | 651 | 587 | 549 | |||
| HSM | 149 | RPM | 7898 | 5924 | 4739 | 3949 | 2962 | 2369 | ||||
| ≤ 0.04 | ≤ 1.5 | (119-179) | Fz | 0.046 | 0.066 | 0.089 | 0.112 | 0.135 | 0.158 | |||
| Feed (mm/min) | 2180 | 2346 | 2531 | 2654 | 2399 | 2246 | ||||||
| Slot | 20 | RPM | 1060 | 795 | 636 | 530 | 398 | 318 | ||||
| 1 | ≤ 0.3 | (1624) | Fz | 0.020 | 0.028 | 0.038 | 0.048 | 0.058 | 0.068 | |||
| - | Feed (mm/min) | 127 | 134 | 145 | 153 | 138 | 130 | |||||
| TOOL STEELS MOLD AND DIE STEEL | 740 Bh | Pfil | 24 | RPM | 1272 | 954 | 763 | 636 | 477 | 382 | ||
| 300M, 4340, 52100, HP-9-4-20, M50, A2, | ≤ n or | roe | ≤ 0.1 | ≤ 1.5 | Fz | 0.028 | 0.041 | 0.053 | 0.066 | 0.078 | 0.090 | |
| D2, H13, L2, M2, P20, S7, T15, W2 | ≤ 65 HRc | (19-29) | Feed (mm/min) | 214 | 235 | 243 | 252 | 223 | 206 | |||
| HSM | 76 | RPM | 4029 | 3021 | 2417 | 2014 | 1511 | 1209 | ||||
| ≤ 0.04 | ≤ 1.5 | (61-91) | Fz | 0.033 | 0.048 | 0.064 | 0.079 | 0.094 | 0.109 | |||
| Feed (mm/min) | 798 | 870 | 928 | 955 | 852 | 790 |
Bhn (Brinell) HRc (Rockwell C) HSM (High Speed Machining) rpm = (Vc x 1000) / (D x 3.14) 1 mm/min = Fz x 6 x rpm reduce speed and feed for materials harder than listed reduce feed and Ae when finish milling (.02 x D maximum) 1 refer to the KYOCERA SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com)