Sumitomo - Полный каталог инструмента - 2016 EN
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Excellent Chip Evacuation and Stable Long Life SUPER MULTI-DRILLs
GS /HGS Type
General Features
Super MultiDrill GS and HGS types are solid carbide drills that
employ a new flute design and wide chip pocket to achieve
excellent chip management and evacuation.
DEX coating enables stable and long tool life over a wide range
of work materials and applications.
Characteristics l Long tool life
and New cutting edge design and special DEX coating provide long tool life with a wide variety of work materials.
Applications
l Stable chip evacuation
New flute shape significantly improves chip management and evacuation.
l Quiet cutting and stable cutting resistance
Stable drilling with little wobble even in small machine applications.
l Environmentally-friendly
Compatible with the MQL (Minimum Quantity Lubrication) system.
Series Coolant Type Diameter Hole Depth
Supply GS 2 Range (mm) (L/D)
MDW GS 4 2,0~16,0 ~2
External MDW HGS 3 ~4
(GS Type) MDW HGS 5 4,0~16,0 ~3
MDW ~5
Internal
(HGS Type)
Performance Chip Management Performance Comparison
MDW … GS Conventional Type MDW … GS Conventional Type
(N) Thrust Increase near
1.800 end of hole
1.400
1.000 Torque
600
Cutting Resistance
Large Vibration0HoleHole
AmplitudeHole Hole
(N) Entrance Exit Entrance Exit
200 Vibration Amplitude
150 XY Force
100
50
0
-50 Multi-Drills
-100
-150 Hole Hole Hole Hole
-200 Entrance Exit Entrance Exit
GS type provides stable drill behaviour
throughout the drilling process.
Tool: MDW 0800 GS4
Work Material: C50 (HB200)
Cutting Conditions: vc=80m/min, f=0,25mm/rev, doc =24mm
External Coolant (Water Soluble)
Application Automotive Component Boron Steel Machine Component Machine Component
Examples C43 (HB250) (HRC30) USt.42-2
Drill: MDW 0970 GS4 (9,7mm) Drill: MDW 0980 GS2 (9,8mm) Drill: MDW 0800 HGS8 (8,0mm)
Cutting Data: vc = 80 m/min, f = 0,25 mm/rev Cutting Data: vc = 70 m/min, f = 0,15 mm/rev Cutting Data: vc = 80 m/min, f = 0,25 mm/rev
doc = 25 mm doc = 7 mm doc = 64 mm
External Coolant (Water Soluble) External Coolant (Water Soluble) Internal Coolant (Water Soluble)
MDW …GS Wear MDW …GS Wear MDW …HGS Wear
Competitor A Fracture Competitor A Wear Competitor A Adhesion
l l l l l l l l l
0 500 1000 1500 0 1000 2000 3000 0 20 40 60
Tool Life (Holes) Tool Life (Holes) Tool Life (m)
www.sumitomo-tools.ru K13
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