SEC-Sumi Dual Mill DFC Type ■ Performance Shoulder Milling (1) Cutting Force (2) Cutting Edge Strength Edge damage from heavy interrupted milling Same as competitors' single-sided cutters. Higher cutting edge strength than competitor's double-sided and tangential inser t cutters 4,000 fz(mm/t) 0.3 0.4 0.5 3,000 Cutting Force (N) DFC ○ ○ ○ 2,000 Comp. C (Double-Sided 6-Cornered Insert) ○ Breakage 1,000 Comp. D (Double-Sided 6-Cornered Insert) Breakage Comp. E (Double-Sided tangential Insert) Breakage 0 DFC Comp. A (Single-Sided Cutter) Comp. B (Single-Sided Cutter) Cutting Distance : 0.9m Work Material : S50C Work Material : S50C (With Holes) Tool : DFC09100RS Tool : DFC09100RS Cutting Conditions : vc=200m/min, fz=0.25mm/t, ae=65mm, ap=3mm, Dry Cutting Conditions : vc=150m/min, ap=3mm, ae=40mm, Dry Face Milling (3) Surface Roughness Better than competitors' products. (μm) H +10 DFC 0 Cutters DFC -10 Milling +10 Comp. F 0 Comp. F -10 Face Milling +10 Conventional Grade 0 Shoulder Milling Conventional Grade -10 High Feed 0 0.5 1.0 1.5 0.4mm Surface Roughness Ra(mm) Radius Work Material : S50C     Tool : DFC09100RS     Cutting Conditions : vc=200m/min, f z=0.2mm/t, ap=3mm, ae=85mm, Dry Multi- Purpose R/ Profiling (4) Wear Resistance (5) Versatility Groove/ T-Slot Excellent wear resistance provides longer tool life. Fewer milling restrictions than a cutter with a 45° cutting edge angle. Chamfering 0.20 DFC (Cutting Edge Angle 90°) Conventional Cutter (Cutting Edge Angle 45°) Aluminum/ Comp. G Light Alloys Breakage High-Speed 0.15 Cast Iron Flank wear (mm) Comp. H ■ Chipping 0.10 ■ D ■ D DFC ■ D Able to continue 0.05 F■ D D Jig Jig 0 D■F 10 20 30 Number Of Passes (1Pass=0.3m) Work Material Work Material Work Material : S50C Tool : DFC09100RS No uncut portion Uncut portion Cutting Conditions : vc=200m/min, f z=0.2mm/t, ap=3mm, ae=85mm, Dry H35