Общий каталог Dijet 2018 - страница 193

Modular Head Series Tooling by DIJET Mirror Radius MRXTYPE ■ RECOMMENDED CUTTING CONDITIONS / BOTTOM 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 Vf(min-1)(mm/min) n Vf(min-1)(mm/min)n Vf(min-1)(mm/min)n Vf(min-1)(mm/min) 260 3,940 1,570 3,310 1,320 2,750 1,100 2,580 1,030 Carbon steel (C50, C55) JC8015 ap(mm) 0.20 0.20 0.20 0.20 Below 250HB ae(mm) 2.5 3.0 4.0 4.2 260 3,940 1,570 3,310 1,320 2,750 1,100 2,580 1,030 Die steel (1.2344, 1.2379) JC8015 ap(mm) 0.20 0.20 0.20 0.20 Below 255HB ae(mm) 2.5 3.0 4.0 4.2 240 3,640 1,450 3,050 1,220 2,540 1,020 2,380 950 Stainless steelBelow 250HBJC8015 ap(mm) 0.20 0.20 0.20 0.20 ae(mm) 2.5 3.0 4.0 4.2 260 3,940 1,570 3,310 1,320 2,750 1,100 2,580 1,030 Mold steel(1.2311, P20)30-36HRCJC8015DH102ap(mm) 0.20 0.20 0.20 0.20 ae(mm) 2.5 3.0 4.0 4.2 240 3,640 1,090 3,050 910 2,540 760 2,380 710 Mold steel (1.2311, P21) DH10238-43HRC ap(mm) 0.20 0.20 0.20 0.20 ae(mm) 2.5 3.0 4.0 4.2 190 2,880 430 2,420 360 2,010 300 1,890 280 Hardened die steel (1.2344, 1.2379) DH10242-52HRC ap(mm) 0.15 0.15 0.15 0.15 ae(mm) 1.8 2.2 2.7 2.8 130 1,970 290 1,650 250 1,380 200 1,290 190 Hardened die steel (1.2344, 1.2379) DH102 ap(mm) 0.15 0.15 0.15 0.15 55-62HRC ae(mm) 1.5 1.8 2.2 2.3 Grey & Nodular 300 4,550 1,820 3,820 1,900 3,180 1,590 2,980 1,490 cast iron JC8015(GG, GGG)DH102 ap(mm) 0.20 0.20 0.20 0.20 Below 300HB ae(mm) 3.0 3.0 4.0 4.2 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)Incaseofoverhunglengthover3xDc, cutingspeedandfeed speedtobeOver 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% B177