Общий каталог Dijet 2018 - страница 190

Modular Head Series Tooling by DIJET Mirror Radius MRXTYPE ■ RECOMMENDED CUTTING CONDITIONS / SIDE FACE FINISHING ● MRX type with FRM insert ＋ MSN Carbide Shank Holder Cutting Tool dia. (mm) Work Insert Type of speed φ16 φ20 Materials Grades machining Vc(m/min) n (min-1) Vf(mm/min) n(min-1) Vf(mm/min) Carbon steel 300 5,970 2,390 4,770 1,910 S50C, S55C(C50, C55)JC8015 ap(mm) 0.40 0.50 Below 250HB ae(mm) 0.16 0.20 Die steel 300 5,970 2,390 4,770 1,910 SKD61, SKD11(1.2344, 1.2379)JC8015 ap(mm) 0.40 0.50 Below 255HB ae(mm) 0.16 0.20 280 5,570 2,230 4,560 1,820 Stainless steel SUS304 JC8015 ap(mm) 0.40 0.50 Below 250HB ae(mm) 0.16 0.20 Mold steel 300 5,970 2,390 4,770 1,910 HPM7, PX5, P20 JC8015(1.2311, P20)DH102ap(mm) 0.40 0.50 30-36HRC ae(mm) 0.16 0.20 Mold steel 280 5,570 1,670 4,560 1,370 NAK80, HPM1, P21(1.2311, P21)DH102 ap(mm) 0.40 0.50 38-43HRC ae(mm) 0.16 0.20 Hardened die steel 250 4,970 750 3,980 600 SKD61, DAC, DHA(1.2344, 1.2379)DH102 ap(mm) 0.40 0.50 42-52HRC ae(mm) 0.16 0.20 Hardened die steel 200 3,980 600 3,180 480 SKD11, SLD, DC11(1.2344, 1.2379)DH102 ap(mm) 0.40 0.50 55-62HRC ae(mm) 0.16 0.20 Grey & Nodular 350 6,960 3,480 5,570 3,340 cast iron JC8015FC, FCD (GG, GGG)DH102ap(mm) 0.40 0.50 Below 300HB ae(mm) 0.20 0.25 ap: Axial depth of cut,ae: Radial depth of cut, n:Spindle speed, Vf: Feed speed Overhung length Vc Vf ■NOTE L/Dc (m/min) (mm/min) 1) The cutting parameters to be adjusted according to the machine rigidity or work ~3Dc 100% 100% rigidity. 3D cor less 2) In case chatter occurrs, recommend to reduce depth of cut or feed speed. 3Dc~5Dc 70% 70% 3) In case of overhung lengt hover 3 x Dc, cuting speed and feed speed to be Over 3Dc, up to 5Dc reduced according to the right table.B1744)Use air blow to flush the chips out. 5Dc~10Dc 50% 50%Over 5Dc, up to 10Dc