
| Series 55M, 55MCR, 55MB | Ae | Ap Ae | Vc | DC • | mm | |||||||
| Metric | Hardness | Ae x DC | Ap x DC | (m/min) | 6 | 8 | 10 | 12 | 16 | 20 | ||
| Profile | 72 | RPM | 3797 | 2848 | 2278 | 1898 | 1424 | 1139 | ||||
| TITANIUM ALLOYS | ≤ 0.25 | ≤ 1.5 | (57-86) | Fz | 0.014 | 0.026 | 0.043 | 0.048 | 0.054 | 0.061 | ||
| Pure Titanium, Ti6Al4V | ≤ 350 Bhn or | Feed (mm/min) | 273 | 365 | 486 | 456 | 383 | 349 | ||||
| , Ti6Al2Sn4Zr2Mo, | ≤ 38 HRc | HSM | 119 | RPM | 6301 | 4726 | 3781 | 3151 | 2363 | 1890 | ||
| Ti4Al4Mo2Sn0.5Si | ≤ 0.05 | ≤ 2 | (95143) | Fz | 0.031 | 0.051 | 0.085 | 0.096 | 0.105 | 0.120 | ||
| - | Feed (mm/min) | 983 | 1210 | 1613 | 1512 | 1240 | 1134 | |||||
| S | Profile | 26 | RPM | 1373 | 1030 | 824 | 687 | 515 | 412 | |||
| TITANIUM ALLOYS (DIFFICULT) | ≤ 0.25 | ≤ 1.5 | (21-31) | Fz | 0.014 | 0.026 | 0.043 | 0.048 | 0.054 | 0.061 | ||
| Ti10Al2Fe3Al, Ti5Al5V5Mo3Cr, | ≤ 440 Bhn | Feed (mm/min) | 99 | 132 | 176 | 165 | 138 | 126 | ||||
| Ti7Al4Mo, Ti3Al8V6Cr4Zr4Mo, | or ≤ 47 HRc | HSM | 43 | RPM | 2262 | 1696 | 1357 | 1131 | 848 | 679 | ||
| Ti6Al6V6Sn, Ti15V3 Cr3Sn3Al | ≤ 0.05 | ≤ 2 | (34-51) | Fz | 0.031 | 0.051 | 0.085 | 0.096 | 0.108 | 0.120 | ||
| Feed (mm/min) | 353 | 434 | 579 | 543 | 456 | 407 | ||||||
| Profile | 53 | RPM | 2827 | 2121 | 1696 | 1414 | 1060 | 848 | ||||
| ≤ 0.25 | ≤ 1.5 | (43-64) | Fz | 0.012 | 0.021 | 0.035 | 0.038 | 0.044 | 0.048 | |||
| H TOOL STEELS A2 D2 H13 L2 M2 | ≤ 375 Bhn or | Feed (mm/min) | 170 | 226 | 294 | 271 | 231 | 204 | ||||
| , , , , , P20, S7, T15, W2 | ≤ 40 HRc | HSM | 88 | RPM | 4686 | 3514 | 2811 | 2343 | 1757 | 1406 | ||
| ≤ 0.05 | ≤ 2 | (71-106) | Fz | 0.024 | 0.041 | 0.067 | 0.077 | 0.084 | 0.093 | |||
| Feed (mm/min) | 562 | 712 | 937 | 900 | 742 | 656 |
Bhn (Brinell) HRc (Rockwell C) HSM (High Speed Machining) rpm = (Vc x 1000) / (DC x 3.14) mm/min = Fz x 5 x rpm reduce speed and feed for materials harder than listed reduce feed and Ae when finish milling (.02 x DC maximum) reduce Ap to 1 x DC (maximum) when profile milling with long or extra long flute length tools feed rates listed have chip thinning adjustments included where applicable refer to the SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com)