Общий каталог Sumitomo 2018 - 2019 - страница 454

Regrindable Drill Head Insert SMDT… MEL Type Advantages l Replaceable and regrindable drill head l New design decreases cutting force by 25% l Ideal for stainless steels - soft steels etc l Excellent tool life when drilling cast iron l Improves drilling performance on low powered machines l Increases productivity Performance (Stainless steel machinig) Comparison of cutting force Chip comparison Stainless steel machining with cutting edge geometry of Type MTL Type MEL conventional type MTL and new type MEL 4000 - MTL -24% Thrust force (N) 3000 - MTL -25% MEL 2000 - MTL -20% MEL MEL 1000 - 0- f = 0,1mm/rev f = 0,15mm/rev f = 0,2mm/rev Work Material: X5CrNi1810 (1.4301) Work Material: X5CrNi1810 (1.4301) Drill Diameter: ø16,5 x 5D Drill Diameter: ø16,5 x 5D Conditions: vc = 60 m/min Conditions: vc = 60 m/min, f = 0,15 mm/rev Multi-Drills Performance (Cast iron machinig) Comparison of cutting force Comparison of wear resistance GGG45 Competitor’s drill vs. SMDT new type MEL Type MTL Type MEL 4000 - Competitor Thrust force (N) 3000 - Competitor -29% 2000 - -26% MEL 1000 - MEL 0- Work Material: GG25 Conditions: vc = 100 m/min f = 0,2mm/rev f = 0,3mm/rev Drill Diameter: ø14 x 5D f = 0,2 mm/rev Work Material: GGG45 Cutting Length: 34,7m Wet Drill Diameter: ø18 x 5D Conditions: vc = 80 m/min K59