для заказа - sumitomo@sumitomo-tools.ru
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 Type MEL
Stainless steel Type MTL
machining with cutting edge geometry of
conventional type MTL and new type MEL
4000 -
Thrust force (N) 3000 - MTL -20% MTL -25% MTL -24%
2000 - MEL MEL MEL
1000 -
0- f = 0,15mm/rev f = 0,2mm/rev
f = 0,1mm/rev
Work Material: X5CrNi1810 (1.4301) Work Material: X5CrNi1810 (1.4301)
Drill Diameter: 16,5 x 5D Drill Diameter: 16,5 x 5D
Conditions: vc = 60 m/min Conditions: vc = 60 m/min, f = 0,15 mm/rev
Performance (Cast iron machinig) Multi-Drills
Comparison of cutting force Comparison of wear resistance
GGG45 Type MTL Type MEL
Competitor’s drill vs. SMDT new type MEL
4000 -
Thrust force (N) 3000 - -26% Competitor
Competitor MEL -29%
2000 - MEL
1000 -
0- f = 0,3mm/rev Work Material: GG25 Conditions: vc = 100 m/min
f = 0,2mm/rev Drill Diameter: 14 x 5D f = 0,2 mm/rev
Cutting Length: 34,7m Wet
Work Material: GGG45
Drill Diameter: 18 x 5D
Conditions: vc = 80 m/min
www.sumitomo-tools.ru K47
для заказа - sumitomo@sumitomo-tools.ru
