Общий каталог Sumitomo 2018 - 2019 - страница 454

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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 Type MTL machining with cutting edge geometry of Type MEL conventional type MTL and new type MEL 4000 -

MTL

3000 - MTL -24%

MTL -25% MEL

2000 --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 5DDrill Diameter:ø16,5 x 5D

Conditions: v = 60 m/min Conditions: v = 60 m/min, f = 0,15 mm/rev c c

Performance (Cast iron machinig)

Comparison of cutting force Comparison of wear resistance

GGG45 Type MTL Type MEL

Competitor’s drill vs. SMDT new type MEL 4000 - Competitor 3000 -

Competitor -29%

2000 --26%MEL
MEL
1000 -
0 -

Work Material: GG25 Conditions: v = 100 m/min

f = 0,2mm/rev f = 0,3mm/rev c

Drill Diameter:ø14 x 5Df = 0,2 mm/rev
Work Material:GGG45Cutting Length:34,7mWet

Drill Diameter: ø18 x 5D Conditions: v = 80 m/min