Общий каталог Dijet 2018 - страница 191

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 φ21 φ25 φ30 φ32 Materials Grades machining Vc(m/min)n (min-1) Vf (mm/min) n Vf(min-1)(mm/min)n Vf(min-1)(mm/min)n Vf(min-1)(mm/min) 300 4,550 1,820 3,820 1,530 3,180 1,270 2,980 1,190 Carbon steel (C50, C55) JC8015 ap(mm) 0.50 0.80 1.0 1.2 Below 250HB ae(mm) 0.10 0.10 0.10 0.10 300 4,550 1,820 3,820 1,530 3,180 1,270 2,980 1,190 Die steel (1.2344, 1.2379) JC8015 ap(mm) 0.50 0.80 1.0 1.2 Below 255HB ae(mm) 0.10 0.10 0.10 0.10 280 4,240 1,700 3,560 1,420 2,970 1,190 2,780 1,110 Stainless steelBelow 250HBJC8015 ap(mm) 0.50 0.80 1.0 1.2 ae(mm) 0.10 0.10 0.10 0.10 300 4,550 1,820 3,820 1,530 3,180 1,270 2,980 1,190 Mold steel(1.2311, P20)30-36HRCJC8015DH102ap(mm) 0.50 0.80 1.0 1.2 ae(mm) 0.10 0.10 0.10 0.10 280 4,240 1,270 3,560 1,070 2,970 890 2,780 830 Mold steel (1.2311, P21) DH102 ap(mm) 0.50 0.80 1.0 1.2 38-43HRC ae(mm) 0.10 0.10 0.10 0.10 250 3,790 570 3,180 480 2,650 400 2,480 370 Hardened die steel (1.2344, 1.2379) DH102 ap(mm) 0.50 0.80 1.0 1.2 42-52HRC ae(mm) 0.10 0.10 0.10 0.10 200 3,000 450 2,540 380 2,120 320 1,990 300 Hardened die steel (1.2344, 1.2379) DH102 ap(mm) 0.50 0.80 1.0 1.2 55-62HRC ae(mm) 0.10 0.10 0.10 0.10 Grey & Nodular 350 5,300 3,180 4,450 2,670 3,710 2,230 3,480 2,090 cast iron JC8015(GG, GGG)DH102 ap(mm) 0.50 0.80 1.0 1.2 Below 300HB ae(mm) 0.10 0.10 0.10 0.10 ap: Axial depth of cut,ae: Radial depth of cut, n:Spindle speed, Vf: Feed speed ■NOTE ℓ/Dc Vc Vf(m/min)(mm/min) 1) The cutting parameters to be adjusted according to the machine rigidity or workrigidity. 3Dc or less 100% 100% 2) In case chatter occurrs, recommend to reduce depth of cut or feed speed.3) In case of overhung lengt hover 3 x Dc, cuting speed and feed speed to beOver 3Dc, up to 5Dc70%70% reduced according to the right table.4)Use air blow to flush the chips out. Over 5Dc, up to 10Dc 50% 50% B175