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 φ10×R2/φ11×R2 φ12×R2/φ13×R2 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 50 4.2 0.40 6,000 6,000 60 5.6 0.40 5,000 5,000 S50C, S55C(C50, C55)JC8015 75 4.2 0.25 6,000 6,000 80 5.6 0.25 5,000 5,000 Below 250HB 100 4.2 0.20 6,000 6,000 110 5.6 0.20 5,000 5,000 Mold steel 50 4.2 0.40 5,700 5,700 60 5.6 0.40 4,700 4,700 HPM7, PX5, NAK80, P20(1.2311, P20)JC801575 4.2 0.25 5,700 5,700 80 5.6 0.25 4,700 4,700 30-43HRC 100 4.2 0.20 5,700 5,700 110 5.6 0.20 4,700 4,700 Die steel 50 4.2 0.40 5,700 5,700 60 5.6 0.40 4,700 4,700 SKD61, SKD11(1.2344, 1.2379)JC8015 75 4.2 0.25 5,700 5,700 80 5.6 0.25 4,700 4,700 Below 255HB 100 4.2 0.20 5,700 5,700 110 5.6 0.20 4,700 4,700 Stainless steel 50 4.2 0.40 5,400 5,400 60 5.6 0.40 4,500 4,500 SUS304 JC8015 75 4.2 0.25 5,400 5,400 80 5.6 0.25 4,500 4,500 Below 250HB 100 4.2 0.20 5,400 5,400 110 5.6 0.20 4,500 4,500 Hardened die steel 50 4.2 0.20 4,700 4,700 60 5.6 0.20 4,000 4,000 SKD61, DAC, DHA(1.2344, 1.2379)JC801575 4.2 0.15 4,700 4,700 80 5.6 0.15 4,000 4,000 40-50HRC 100 4.2 0.10 4,700 4,700 110 5.6 0.10 4,000 4,000 Grey & Nodular 50 4.2 0.40 5,100 5,100 60 5.6 0.40 4,200 4,200 cast ironFC, FCD (GG, GGG)JC8015 75 4.2 0.25 5,100 5,100 80 5.6 0.25 4,200 4,200 Below 300HB 100 4.2 0.20 5,100 5,100 110 5.6 0.20 4,200 4,200 R0.5 ap×0.60 R0.5 ap×0.60 Depth of cut adjustment Corner R1 ap×0.70 Corner R1 ap×0.70 by corner radius radius R2 ap×1.0 radius R1.5 ap×0.85 (ap×ratio) R2 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 B171