Indexable Tools Tooling by DIJET Mirror Radius HRM / FRMTyPE ■ RECOMMENDED CUTTING CONDITIONS ● HRM, FRM type insert + Carbide shank holder (C-Body) ※ 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 35 7.0 0.60 3,800 4,500 40 9.8 0.60 3,000 3,600 S50C, S55C(C50, C55)JC8015 80120 7.07.0 0.60 3,800 3,800 100 9.8 0.60 3,000 3,0000.403,8003,8001509.80.403,0003,000 Below 250HB 160 7.0 0.30 3,800 3,800 200 9.8 0.30 3,000 3,000 Mold steel 35 7.0 0.60 3,500 4,200 40 9.8 0.60 2,800 3,300 HPM7, PX5, NAK80, P20(1.2311, P20)JC8015 80120 7.0 0.60 3,500 3,500 100 9.8 0.60 2,800 2,8007.00.403,5003,5001509.80.402,8002,800 30-43HRC 160 7.0 0.30 3,500 3,500 200 9.8 0.30 2,800 2,800 Die steel 35 7.0 0.60 3,500 4,200 40 9.8 0.60 2,800 3,300 SKD61, SKD11(1.2344, 1.2379)JC8015 80120 7.07.0 0.60 3,500 3,500 100 9.8 0.60 2,800 2,8000.403,5003,5001509.80.402,8002,800 Below 255HB 160 7.0 0.30 3,500 3,500 200 9.8 0.30 2,800 2,800 35 7.0 0.60 3,400 4,000 40 9.8 0.60 2,700 3,200 Stainless steelSUS304Below 250HBJC801580120 7.0 0.60 3,400 3,400 100 9.8 0.60 2,700 2,7007.00.403,4003,4001509.80.402,7002,700 160 7.0 0.30 3,400 3,400 200 9.8 0.30 2,700 2,700 Hardened die steel 35 7.0 0.30 3,000 3,600 40 9.8 0.30 2,400 2,800 SKD61, DAC, DHA(1.2344, 1.2379)JC8015 80120 7.0 0.30 3,000 3,000 100 9.8 0.30 2,400 2,4007.00.253,0003,0001509.80.252,4002,400 40-50HRC 160 7.0 0.20 3,000 3,000 200 9.8 0.20 2,400 2,400 Grey & Nodular 35 7.0 0.60 3,200 3,800 40 9.8 0.60 2,500 3,000 cast ironFC, FCD (GG, GGG)JC8015 80120 7.07.0 0.60 3,200 3,200 100 9.8 0.60 2,500 2,5000.403,2003,2001509.80.402,5002,500 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 adjustmentby corner radius(ap × ratio)CornerR1.5radiusR2ap×0.60ap×0.75 Corner R1.5radiusR2 ap×0.60ap×0.75 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 50-55HRC (Hardened die steel), recommend to reduce 30% above ap, n, Vf. 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 slotting with overhung length exceeding 5 x Dc, recommend to reduce depth of cut and feed speed. ★ Instructions for mounting insert Dimensions (mm) Recommended torque 1. Clean the insert seat carefully. φDc (N・m) 2. Clean the insert, especially hole and location face.3.Change the clamp screw when the screw gets worn out.6810 0.50.91.2 4. Please use torque wrenches to tighten the clamp screw. 12 2.0 Recommend to use Torque control wrenches (C180) 16 3.0 See the right table for recommended tightening torque. 20 4.0 C207