Общий каталог Sumitomo 2018 - 2019 - страница 414

Excellent Chip Evacuation and Stable Long Life SUPER MULTI-DRILLs GS Type General Features Super MultiDrill GS 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. l Stable chip evacuation Applications 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 Range (mm) (L/D) MDW GS2 ~2 External ø2,0~ø16,0 (GS Type) MDW GS4 ~4 Performance Chip Management Performance Comparison MDW … GS Conventional Type MDW … GS Conventional Type (N) 1.800 Thrust Increase near 1.400 end of hole 1.000 Torque Cutting Resistance 600 0 Hole Hole Hole Hole Entrance Exit Entrance Exit (N) 200 150 XY Force Vibration Amplitude Large Vibration 100 Amplitude 50 0 -50 Multi-Drills -100 -150 -200 Hole Hole Hole Hole 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 C43 (HB250) (HRC30) USt.42-2 Examples Drill: MDW 0970 GS4 (ø9,7mm) Drill: MDW 0980 GS2 (ø9,8mm) Drill: MDW 0800 GS4 (ø8,0mm) 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 =25 mm External Coolant (Water Soluble) External Coolant (Water Soluble) Internal Coolant (Water Soluble) Wear Wear Wear MDW …GS MDW …GS MDW …GS Fracture Wear Adhesion Competitor A Competitor A Competitor A 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) K19