Общий каталог Dijet 2018 - страница 425

Tooling by DIJET Indexable Tools Mirror Radius FRMTyPE ■ RECOMMENDED CUTTING CONDITIONS / BOTTOM FACE FINISHING ● FRM type insert + Carbide shank holder (C-Body) Cutting Tool dia. (mm) Work Insert Type of speed φ25 φ30 φ32 Materials Grades machining Vc (m/min) n -1 Vf n -1 Vf n -1 Vf (min ) (mm/min) (min ) (mm/min) (min ) (mm/min) Carbon steel 260 3,310 1,320 2,750 1,100 2,580 1,030 S50C, S55C JC8015 (C50, C55) ap (mm) 0.20 0.20 0.20 Below 250HB ae (mm) 3.0 4.0 4.2 Die steel 260 3,310 1,320 2,750 1,100 2,580 1,030 SKD61, SKD11 JC8015 (1.2344, 1.2379) ap (mm) 0.20 0.20 0.20 Below 255HB ae (mm) 3.0 4.0 4.2 240 3,050 1,220 2,540 1,020 2,380 950 Stainless steel SUS304 JC8015 Below 250HB ap (mm) 0.20 0.20 0.20 ae (mm) 3.0 4.0 4.2 Mold steel 260 3,310 1,320 2,750 1,100 2,580 1,030 HPM7, PX5, P20 JC8015 (1.2311, P20) DH102 ap (mm) 0.20 0.20 0.20 30-36HRC ae (mm) 3.0 4.0 4.2 Mold steel 240 3,050 910 2,540 760 2,380 710 NAK80, HPM1, P21 DH102 (1.2311, P21) ap (mm) 0.20 0.20 0.20 38-43HRC ae (mm) 3.0 4.0 4.2 Hardened die steel 190 2,420 360 2,010 300 1,890 280 SKD61, DAC, DHA DH102 (1.2344, 1.2379) ap (mm) 0.15 0.15 0.15 42-52HRC ae (mm) 2.2 2.7 2.8 Hardened die steel 130 1,650 250 1,380 200 1,290 190 SKD11, SLD, DC11 DH102 (1.2344, 1.2379) ap (mm) 0.15 0.15 0.15 55-62HRC ae (mm) 1.8 2.2 2.3 Grey & Nodular 300 3,820 1,900 3,180 1,590 2,980 1,490 cast iron JC8015 FC, FCD (GG, GGG) DH102 ap (mm) 0.20 0.20 0.20 Below 300HB ae (mm) 3.0 4.0 4.2 ℓ: Overhung length, ap: Depth of cut, ae: Pick feed, Vc: Cutting speed, n: Spindle speed, Vf: Feed speed ■ NOTE Overhung length Vc Vf ℓ/Dc (m/min) (mm/min) 1) The cutting parameters to be adjusted according to the machine rigidity or work rigidity. ~3Dc 100% 100% 3Dc or less 2) In case chatter occurrs, recommend to reduce depth of cut or feed speed. 3Dc~5Dc 70% 70% 3) In case of overhung length over 3 x Dc, cutting speed and feed speed to Over 3Dc, up to 5Dc be reduced according to the right table. 5Dc~10Dc 50% 50% 4) Use air blow to flash out the chips out. Over 5Dc, up to 10Dc C213