Общий каталог SGS 2021 - страница 314

METRIC Combined Drill & Countersink Series DC • mm 301M Vc Metric Hardness (m/min) 1 1.6 2.5 4 5 81 RPM 8155 6422 4078 2569 2055 ≤ 175 Bhn or Fr 0.017 0.022 0.034 0.054 0.068 ≤ 7 HRc (65-97) Feed (mm/min) 139 139 139 139 139 CARBON STEELS 38 RPM 3847 3029 1923 1212 969 1018, 1040, 1080, 1090, ≤ 300 Bhn 10L50, 1140, 1212, or Fr 0.016 0.020 0.032 0.051 0.064 ≤ 32 HRc (30-46) 12L15, 1525, 1536 Feed (mm/min) 62 62 62 62 62 26 RPM 2616 2060 1308 824 659 ≤ 425 Bhn or Fr 0.010 0.013 0.020 0.032 0.039 ≤ 45 HRc (21-31) Feed (mm/min) 26 26 26 26 26 P 70 RPM 7078 5574 3539 2230 1784 ≤ 275 Bhn or Fr 0.016 0.020 0.032 0.051 0.063 ≤ 28 HRc (56-84) Feed (mm/min) 113 113 113 113 113 44 RPM 4462 3514 2231 1406 1125 ALLOY STEELS ≤ 375 Bhn 4140, 4150, 4320, 5120, or Fr 0.015 0.019 0.030 0.048 0.060 5150, 8630, 86L20, 50100 ≤ 40 HRc (35-53) Feed (mm/min) 67 67 67 67 67 18 RPM 1847 1454 923 582 465 ≤ 450 Bhn or Fr 0.007 0.009 0.014 0.022 0.028 ≤ 48 HRc (15-22) Feed (mm/min) 13 13 13 13 13 64 RPM 6463 5089 3231 2036 1629 ≤ 250 Bhn or Fr 0.012 0.015 0.024 0.038 0.048 ≤ 24 HRc (51-77) STAINLESS STEELS Feed (mm/min) 78 78 78 78 78 (FREE MACHINING) 303, 416, 420F, 430F 440F 34 RPM 3385 2666 1693 1066 853 ≤ 330 Bhn or Fr 0.007 0.009 0.014 0.023 0.028 ≤ 36 HRc (27-40) Feed (mm/min) 24 24 24 24 24 M 20 RPM 2000 1575 1000 630 504 ≤ 275 Bhn or Fr 0.009 0.011 0.018 0.029 0.036 STAINLESS STEELS (16-24) ≤ 28 HRc (DIFFICULT) Feed (mm/min) 18 18 18 18 18 304, 316, 321, 13-8 PH, 15-5PH, 17-4 PH, ≤ 375 Bhn 17 RPM 1693 1333 846 533 427 Custom 450 or Fr 0.008 0.011 0.017 0.026 0.033 (13-20) ≤ 40 HRc Feed (mm/min) 14 14 14 14 14 85 RPM 8617 6786 4309 2714 2171 ≤ 220 Bhn or Fr 0.021 0.027 0.042 0.067 0.083 ≤ 19 HRc (68-102) CAST IRONS Feed (mm/min) 181 181 181 181 181 K Gray, Malleable, Ductile 76 RPM 7694 6059 3847 2424 1939 ≤ 330 Bhn or Fr 0.021 0.027 0.042 0.067 0.084 ≤ 36 HRc (61-91) Feed (mm/min) 162 162 162 162 162 continued on next page 314 DRILLS DRILLS www.kyocera-sgstool.com