METRIC V-Carb Ap Series Diameter (D1) 55M, 55MCR, Ae Ae (mm) 55MB Vc Metric Hardness Ae x D1 Ap x D1 (m/min) 6 8 10 12 16 20 72 RPM 3797 2848 2278 1898 1424 1139 Profile ≤ 0.25 ≤ 1.5 Fz 0.014 0.026 0.043 0.048 0.054 0.061 TITANIUM ALLOYS (57-86) Pure Titanium, ≤ 350 Bhn Feed (mm/min) 273 365 486 456 383 349 Ti6Al4V, or Ti6Al2Sn4Zr2Mo, ≤ 38 HRc 119 RPM 6301 4726 3781 3151 2363 1890 Ti4Al4Mo2Sn0.5Si HSM ≤ 0.05 ≤2 Fz 0.031 0.051 0.085 0.096 0.105 0.120 (95-143) Feed (mm/min) 983 1210 1613 1512 1240 1134 S 26 RPM 1373 1030 824 687 515 412 TITANIUM ALLOYS Profile (DIFFICULT) ≤ 0.25 ≤ 1.5 Fz 0.014 0.026 0.043 0.048 0.054 0.061 Ti10Al2Fe3Al, (21-31) Ti5Al5V5Mo3Cr, ≤ 440 Bhn Feed (mm/min) 99 132 176 165 138 126 Ti7Al4Mo, or Ti3Al8V6Cr4Zr4Mo, ≤ 47 HRc 43 RPM 2262 1696 1357 1131 848 679 Ti6Al6V6Sn, HSM Ti15V3 Cr3Sn3Al ≤ 0.05 ≤2 Fz 0.031 0.051 0.085 0.096 0.108 0.120 (34-51) Feed (mm/min) 353 434 579 543 456 407 Bhn (Brinell) HRc (Rockwell C) HSM (High Speed Machining) rpm = (Vc x 1000) / (D1 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 D1 maximum) reduce Ap to 1 x D1 (maximum) when profile milling with long or extra long flute length tools refer to the KYOCERA SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com) 72 END MILLS wwwE.kNyDoMceILraLS-sgstool.com