Общий каталог Dijet 2018 - страница 421

Indexable Tools Tooling by DIJET 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(min-1) Vf(mm/min)n(min-1) Vf(mm/min) n(min-1) Vf(mm/min) Carbon steel 300 5,970 2,390 4,770 1,910 4,550 1,820 S50C, S55C(C50, C55)JC8015 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 JC8015Below 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(1.2311, P21)DH102 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(1.2344, 1.2379)DH102 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(1.2344, 1.2379)DH102 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 1) The cutting parameters to be adjusted according to the machine rigidity ℓ/Dc (m/min) (mm/min) or work rigidity. ~3Dc3Dc or less 100% 100% 2) In case chatter occurrs, recommend to reduce depth of cut or feed speed. 3Dc~5Dc3)In case of overhunglengthover 3x Dc,cuttingspeedandfeed speedtoOver 3Dc, upto5Dc70%70% be reduced according to the right table.4)Use airblowtoflashout the chipsout. 5Dc~10DcOver 5Dc, upto 10Dc 50% 50% C209