Общий каталог Sumitomo 2019 - 2020 - страница 1011

Conditions DC h8 118˚ DCON h8 OthersBrazedReamersIndexableIndexableInsert TypeHead TypeSolidDrilling Uncoated Solid Carbide Drills SD Type Cast Iron DuctileCast IronAluminumAlloy Uncoated to Carbide *Refer to N38 for the tolerance of h8 Fig 1 PL Back Taper: 0.04 to 0.1/100 WBTHK LCF OAL Cat. No. Stock Size Dia. (Shank Dia.) Flute LengthDC(DCON)LCFOverall LengthOAL TipPL Web ThicknessWBTHK Fig J SD 080 to 090 0.80 to 0.89 12 30 0.3 0.2 1 SD 091 to 140 0.90 to 1.39 16 30 0.4 0.2 to 0.3 1 SD 141 to 190 1.40 to 1.90 20 35 0.5 0.4 1 SD 191 to 240 1.91 to 2.40 23 41 0.6 0.5 1 SD 241 to 300 2.41 to 3.00 26 46 0.8 0.6 1 SD 301 to 350 3.01 to 3.50 29 51 1.0 0.7 1 SD 351 to 400 3.51 to 4.00 31 56 1.1 0.8 1 SD 401 to 450 4.01 to 4.50 35 61 1.4 0.9 1 SD 451 to 550 4.51 to 5.50 40 67 1.5 1.0 1 SD 551 to 600 5.51 to 6.00 42 72 1.7 1.1 1 SD 601 to 650 6.01 to 6.50 45 77 1.9 1.2 1 SD 651 to 700 6.51 to 7.00 48 82 2.0 1.3 1 SD 701 to 750 7.01 to 7.50 48 82 2.2 1.4 1 SD 751 to 800 7.51 to 8.00 52 87 2.3 1.5 1 Ordering numbers should be handled according to this example: ø4.6mm drill → SD460. Grade: H1 Recommended Cutting Conditions for SD Type (vc: Cutting Speed (m/min), f: Feed Rate (mm/rev)) Dia. DC(mm) Die Steel(About 250HB)Cast Iron Non-FerrousAlloy ø5.0 vc 5 - 8 - 10 10 - 30 - 40 20 - 50 - 80 f 0.03 - 0.04 - 0.05 0.1 - 0.15 - 0.2 0.1 - 0.15 - 0.2 ø13.0 vc 10 - 15 - 20 20 - 40 - 60 30 - 80 - 100 f 0.05 - 0.06 - 0.07 0.1 - 0.15 - 0.2 0.1 - 0.15 - 0.2 Min. - Optimum - Max. J151