Общий каталог Dijet 2018 - страница 424

Indexable Tools Tooling by DIJET 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 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 260 5,170 2,070 4,140 1,660 3,940 1,570 S50C, S55C(C50, C55)JC8015 ap (mm) 0.20 0.20 0.20 Below 250HB ae (mm) 2.0 2.5 2.5 Die steel 260 5,170 2,070 4,140 1,660 3,940 1,570 SKD61, SKD11(1.2344, 1.2379)JC8015 ap (mm) 0.20 0.20 0.20 Below 255HB ae (mm) 2.0 2.5 2.5 240 4,770 1,910 3,810 1,520 3,640 1,450 Stainless steel SUS304 JC8015Below 250HB ap (mm) 0.20 0.20 0.20 ae (mm) 2.0 2.5 2.5 Mold steel 260 5,170 2,070 4,140 1,660 3,940 1,570 HPM7, PX5, P20 JC8015 (1.2311, P20) DH102 ap (mm) 0.20 0.20 0.20 30-36HRC ae (mm) 2.0 2.5 2.5 Mold steel 240 4,770 1,430 3,810 1,140 3,640 1,090 NAK80, HPM1, P21(1.2311, P21)DH102 ap (mm) 0.20 0.20 0.20 38-43HRC ae (mm) 2.0 2.5 2.5 Hardened die steel 190 3,780 570 3,020 450 2,880 430 SKD61, DAC, DHA(1.2344, 1.2379)DH102 ap (mm) 0.15 0.15 0.15 42-52HRC ae (mm) 1.4 1.8 1.8 Hardened die steel 130 2,590 390 2,070 310 1,970 290 SKD11, SLD, DC11(1.2344, 1.2379)DH102 ap (mm) 0.15 0.15 0.15 55-62HRC ae (mm) 1.2 1.5 1.5 Grey & Nodular 300 5,970 2,390 4,770 1,910 4,550 1,820 cast iron JC8015 FC, FCD (GG, GGG) DH102 ap (mm) 0.20 0.20 0.20 Below 300HB ae (mm) 2.4 3.0 3.0 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. ~3Dc 3Dc 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, up to 5Dc70%70% be reduced according to the right table.C2124)Use airblowtoflashout the chipsout. 5Dc~10DcOver 5Dc, up to 10Dc 50% 50%