High Feed Milling STA NDA RD CUT TING CONDITIONS T X N 0 6 / E X N 0 6 Cutting Feed per tooth speed fz (mm/t) Chip- Face Milling ISO Workpiece material Hardness Priority Grades Tool dia: Feed when ø32, CICT = 2 ø35, CICT = 2 ø40, CICT = 3 breaker Vc DCX (mm) plunging (m/min) fz n Vf n Vf n Vf ø32 ~ ø200 (mm/t) Carbon steels First choice AH3035 MJ 1,990 3,980 1,820 3,640 1,590 4,770 S45C, S55C etc. ~ 300HB 100 - 300 0.5 - 1.5 0.15 C45, C55, etc. Wear resistance AH8015 MJ Vc = 200 m/min, fz = 1.0 mm/t Alloy steels First choice AH3035 MJ 1,990 3,980 1,820 3,640 1,590 4,770 Shoulder ~ 300HB 100 - 300 0.5 - 1.5 Milling SCM440, SCr415 etc. 0.15 42CrMo4, 17Cr3, etc. Wear resistance AH8015 MJ Vc = 200 m/min, fz = 1.0 mm/t 30 ~ 1,490 2,380 1,360 2,180 1,190 2,860 First choice AH3035 ML 100 - 200 0.5 - 1.0 0.15 40HRC Vc = 150 m/min, fz = 0.8 mm/t Prehardened steels 30 ~ 1,490 2,980 1,360 2,720 1,190 3,570 Fracture resistance AH3035 MJ 100 - 200 0.5 - 1.5 0.15 Slot Milling NAK80, PX5, etc. 40HRC Vc = 150 m/min, fz = 1.0 mm/t 30 ~ 1,490 2,380 1,360 2,180 1,190 2,860 Wear resistance AH8015 ML 100 - 200 0.5 - 1.0 0.15 40HRC Vc = 150 m/min, fz = 0.8 mm/t Stainless steels First choice AH3035 ML 1,190 1,430 1,090 1,310 950 1,710 SUS304, SUS316, etc. ~ 200HB 100 - 150 0.3 - 0.8 0.1 X5CrNi18-10, etc. Fracture resistance AH3035 MJ Vc = 120 m/min, fz = 0.6 mm/t Profile Milling X5CrNiMo17-12-2, etc. 150 ~ First choice AH120 MJ 1,990 3,980 1,820 3,640 1,590 4,770 100 - 300 0.5 - 1.5 0.15 Gray cast irons 250HB Wear resistance AH8015 MJ Vc = 200 m/min, fz = 1.0 mm/t FC250, FC300, etc. GG25, GGG30, etc. 150 ~ First choice AH120 MJ 1,490 2,980 1,360 2,720 1,190 3,570 80 - 200 0.5 - 1.5 0.15 250HB Wear resistance AH8015 MJ Vc = 150 m/min, fz = 1.0 mm/t First choice AH130 ML 400 400 360 360 320 480 Titanium alloy ~ 40HRC 30 - 60 0.3 - 0.7 0.08 Ti-6AI-4V, etc. Fracture resistance AH130 MJ Vc = 40 m/min, fz = 0.5 mm/t First choice AH725 ML 300 120 270 110 240 140 Heat-resistance alloy ~ 40HRC 20 - 50 0.1 - 0.3 0.05 Inconel, Hasteroy, etc. Fracture resistance AH725 MJ Vc = 30 m/min, fz = 0.2 mm/t Approach angle Hot mold steel 40 ~ First choice AH8015 MH 1,190 710 1,090 650 950 850 SKD61, etc. 80 - 150 0.1 - 0.5 0.05 10°-20° X40CrMoV5-1, etc. 55HRC Low resistance AH8015 MJ Vc = 120 m/min, fz = 0.3mm/t Hot mold steel of D.T.C 40 ~ First choice AH8015 MJ 800 320 730 290 640 380 materials 50-100 0.1 - 0.3 0.05 55HRC Fracture resistance AH8015 MH Vc = 80 m/min, fz = 0.2mm/t DAC**, DH**, DIEVER, etc 45° 55 ~ 600 120 550 110 480 140 Cold mold steel First choice AH8005 MH 50 - 70 0.05 - 0.2 0.03 65HRC Vc = 60 m/min, fz = 0.1 mm/t SKD11, etc. 70° X153CrMoV12, etc. 55 ~ Fracture resistance AH8015 MH 50 - 70 0.03 - 0.1 0.03 600 60 550 55 480 70 65HRC Vc = 60 m/min, fz = 0.05 mm/t ∙ The above table shows the conditions for standard shank type cutters. When using long ∙ Cutting conditions are generally limited by the rigidity and power of the machine and the 85° shank type cutters, the number of teeth may be different. In this case, the cutting conditions rigidity of the workpiece. When setting the conditions, start from half of the values of the should be changed by referring to: “The usage of standard and long shanks” shown in standard cutting conditions and then increase the value gradually while making sure the previous page. machine is running normally. 88° Cautionary points in use 90° The use of a standard or long shank Tool geometry on programming When using a long shank, please lower the cutting conditions (Vc, fz, ap) to 70% When programming for CAM, the tool should be considered as a radius of the maximum conditions for the standard shank. cutter. Usually, the corner radius should be set as R = 3.0 mm. If a larger Others radius is used, overcutting will occur. The following table shows the amount left uncut (t1) and overcut (t2). Depth of cut: ap (mm) 1.5 Standard shank Amount left overcut Max. depth of cut Vc = 100 ~ 300 m/min t2 APMX 1.0 RE 15° RPG RPG Long shank LE t1 t1 0.5 Corner R when Amount left programming uncut Vc = 80 ~ 200 m/min LNMU06-MJ/ML Max. depth of Corner R when Amount left Amount left cut Corner radius 0 LE (mm) programming: uncut overcut 0.5 1.0 1.5 2.0 APMX RPG t2 (mm) RE t1 (mm) Feed per tooth: fz (mm/t) (mm) 2.0 1.0 - 1.5 2.0 6.0 3.0 0.77 - 4.0 0.54 0.26 Tool dia.: DCX = ø32 ~ 40 mm Workpiece: S55C / C55 (200HB) LNGU06-MH Max. depth of Corner R when Amount left Amount left L/D ratio of overhang cut Corner radius uncut overcut programming: Standard shank: L/D ) 3 APMX RE LE (mm) RPG t1 (mm) t2 (mm) Long shank: L/D = 4 (mm) 2.0 0.9 - 1.5 2.0 6.0 3.0 0.66 - 4.0 0.41 0.26 Each value in table is calculated theoretically at the maximum condition. H034 www.tungaloy.com