Общий каталог Dijet 2018 - страница 188

Modular Head Series Tooling by DIJET Mirror Radius MRXTYPE ■ RECOMMENDED CUTTING CONDITIONS / HIGH FEED MACHINING ● MRX type with HRM/FRM insert ＋MSN Carbide Shank Holder ※Recommended to reduce depth of cut ap by corner radius with keeping feed speed Vf. (Refer the below table) Tool dia. (mm) Work Insert φ16×R3/φ17×R3 φ20×R3/φ22×R3 Materials Grades ℓ ae ap n Vf ℓ ae ap n Vf (mm) (mm) (mm) (min-1) (mm/min) (mm) (mm) (mm) (min-1) (mm/min) Carbon steel 80 7.0 0.60 3,800 3,800 100 9.8 0.60 3,000 3,000 S50C, S55C(C50, C55)JC8015 120 7.0 0.40 3,800 3,800 150 9.8 0.40 3,000 3,000 Below 250HB 160 7.0 0.30 3,800 3,800 200 9.8 0.30 3,000 3,000 Mold steel 80 7.0 0.60 3,500 3,500 100 9.8 0.60 2,800 2,800 HPM7, PX5, NAK80, P20(1.2311, P20)JC8015120 7.0 0.40 3,500 3,500 150 9.8 0.40 2,800 2,800 30-43HRC 160 7.0 0.30 3,500 3,500 200 9.8 0.30 2,800 2,800 Die steel 80 7.0 0.60 3,500 3,500 100 9.8 0.60 2,800 2,800 SKD61, SKD11(1.2344, 1.2379)JC8015120 7.0 0.40 3,500 3,500 150 9.8 0.40 2,800 2,800 Below 255HB 160 7.0 0.30 3,500 3,500 200 9.8 0.30 2,800 2,800 Stainless steel 80 7.0 0.60 3,400 3,400 100 9.8 0.60 2,700 2,700 SUS304 JC8015 120 7.0 0.40 3,400 3,400 150 9.8 0.40 2,700 2,700 Below 250HB 160 7.0 0.30 3,400 3,400 200 9.8 0.30 2,700 2,700 Hardened die steel 80 7.0 0.60 3,000 3,000 100 9.8 0.60 2,400 2,400 SKD61, DAC, DHA(1.2344, 1.2379)JC8015120 7.0 0.40 3,000 3,000 150 9.8 0.40 2,400 2,400 40-50HRC 160 7.0 0.30 3,000 3,000 200 9.8 0.30 2,400 2,400 Grey & Nodular 80 7.0 0.60 3,200 3,200 100 9.8 0.60 2,500 2,500 cast ironFC, FCD (GG, GGG)JC8015120 7.0 0.40 3,200 3,200 150 9.8 0.40 2,500 2,500 Below 300HB 160 7.0 0.30 3,200 3,200 200 9.8 0.30 2,500 2,500 R1 ap×0.50 R1 ap×0.50 Depth of cut adjustment Corner R1.5 ap×0.60 Corner R1.5 ap×0.60 by corner radius radius R2 ap×0.75 radius R2 ap×0.75 (ap×ratio) R3 ap×1.0 R3 ap×1.0 ※Recommend to reduce depth of cut ap according to above table with keeping feed speed ℓ: Overhung length, ap: Depth of cut, ae: Pick feed, n: Spindle speed, Vf: Feed speed ■NOTE 1) The cutting parameters to be adjusted according to the machine rigidity or work rigidity. 2) In case chatter occurrs, recommend to reduce depth of cut or feed speed. 3) If machine does not have enough power, recommend to reduce depth of cut first and reduce spindle speed and feed speed. 4) Use air blow to flush the chips out. 5) In case of 50-55 HRC (Hardened die steel), recommend to reduce ap, n, Vf by 30% on above table. 6) In case of good surface requirement, recommend to reduce feed speed. 7) In case of ramping, ramping angle up to 2° 30’ is recommended. 8) In case of ramping and helical interpolation, apply 70% or less feed speed from above table. ★Instruction for mounting insert 1. Clean the insert seat carefully. Dimensions Recommended Torque 2 .Clean the insert, especially hole and location face. φDc N~m 3. Change the clamp screw when the screw gets worn out. 10 1. 2 4. Do not tighten the clamp screw too hard. 12 2.0 Recommend to use Torque control wrenches (Page C180) 16 3.0 Refer the right table for recommended tightening torque. 20 4.0 B172