Общий каталог Dijet 2018 - страница 421

Tooling by DIJET Indexable Tools Mirror Radius FRMTyPE ■ RECOMMENDED CUTTING CONDITIONS / SIDE FACE FINISHING ● FRM type insert + Carbide shank holder (C-Body) Cutting Tool dia. (mm) Work Insert Type of speed φ16 φ20 φ21 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 300 5,970 2,390 4,770 1,910 4,550 1,820 S50C, S55C JC8015 (C50, C55) ap (mm) 0.40 0.50 0.50 Below 250HB ae (mm) 0.16 0.20 0.10 Die steel 300 5,970 2,390 4,770 1,910 4,550 1,820 SKD61, SKD11 (1.2344, 1.2379) JC8015 ap (mm) 0.40 0.50 0.50 Below 255HB ae (mm) 0.16 0.20 0.10 Stainless steel 280 5,570 2,230 4,560 1,820 4,240 1,700 SUS304 JC8015 Below 250HB ap (mm) 0.40 0.50 0.50 ae (mm) 0.16 0.20 0.10 Mold steel 300 5,970 2,390 4,770 1,910 4,550 1,820 HPM7, PX5, P20 JC8015 (1.2311, P20) DH102 ap (mm) 0.40 0.50 0.50 30-36HRC ae (mm) 0.16 0.20 0.10 Mold steel 280 5,570 1,670 4,560 1,370 4,240 1,270 NAK80, HPM1, P21 DH102 (1.2311, P21) ap (mm) 0.40 0.50 0.50 38-43HRC ae (mm) 0.16 0.20 0.10 Hardened die steel 250 4,970 750 3,980 600 3,790 570 SKD61, DAC, DHA DH102 (1.2344, 1.2379) ap (mm) 0.40 0.50 0.50 42-52HRC ae (mm) 0.16 0.20 0.10 Hardened die steel 200 3,980 600 3,180 480 3,000 450 SKD11, SLD, DC11 DH102 (1.2344, 1.2379) ap (mm) 0.40 0.50 0.50 55-62HRC ae (mm) 0.16 0.20 0.10 Grey & Nodular 350 6,960 3,480 5,570 3,340 5,300 3,180 cast iron JC8015 FC, FCD (GG, GGG) DH102 ap (mm) 0.40 0.50 0.50 Below 300HB ae (mm) 0.20 0.25 0.20 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, upto5Dc be reduced according to the right table. 5Dc~10Dc 50% 50% 4) Use air blow to flash out the chips out. Over 5Dc, upto 10Dc C209