Solid Carbide EndmillsMilling Solid Carbide Endmills Hypex 5-Axis Solid Endmills ■ ERTSA Series R2 R3 R1 d D (h6) L1 α L Fig 1 R3 R2 R1 d D (h6) L1 α L Fig 2 Order No. α d R1 R2 R3 L1 L D Flute Fig ERTSA30815025S 20° 8 1.5R 250R 4.0R 10.5 75 8 3 1 ERTSA31020025S 20° 10 2.0R 250R 5.0R 12.5 75 10 3 ERTSA21010020S 60° 10 1.0R 200R 1.5R 6.0 75 10 2 2 ■ Recommended Cutting Conditions Working Material Cutting Application aw Vc fz (mm/z)(mm)(m/min)8 mm10 mm Carbon Steel 0.05 ~ 0.1 mm 210 ~ 420 0.032 ~ 0.056 0.04 ~ 0.07 (S45C) 0.1 ~ 0.2 mm 210 ~ 420 0.024 ~ 0.040 0.03 ~ 0.05 Carbon Steel 0.05 ~ 0.1 mm 158 ~ 315 0.024 ~ 0.040 0.03 ~ 0.05 (S50C) 0.1 ~ 0.2 mm 158 ~ 315 0.016 ~ 0.024 0.02 ~ 0.03 Tool Steel 0.05 ~ 0.1 mm 135 ~ 270 0.024 ~ 0.032 0.03 ~ 0.04 (SKD) 0.1 ~ 0.2 mm 135 ~ 270 0.016 ~ 0.024 0.02 ~ 0.03 Stainless Steel 0.05 ~ 0.1 mm 100 ~ 150 0.024 ~ 0.032 0.03 ~ 0.04 (SUS304, SUS316) 0.1 ~ 0.2 mm 100 ~ 150 0.016 ~ 0.024 0.02 ~ 0.03 0.05 ~ 0.1 mm 30 ~ 60 0.016 ~ 0.024 0.02 ~ 0.03 Superalloy, Inconel 0.1 ~ 0.2 mm 30 ~ 60 0.008 ~ 0.016 0.01 ~ 0.02 0.05 ~ 0.1 mm 60 ~ 80 0.024 ~ 0.032 0.03 ~ 0.04 Titanium 0.1 ~ 0.2 mm 60 ~ 80 0.016 ~ 0.024 0.02 ~ 0.03 Hardened Steel 0.05 ~ 0.1 mm 100 ~ 130 0.032 ~ 0.040 0.04 ~ 0.05 (HRC < 55) 0.1 ~ 0.2 mm 100 ~ 130 0.024 ~ 0.032 0.03 ~ 0.04 A174