Каталог Sumitomo сверла и развертки - страница 30

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Super MultiDrill GS / HGS Type Excellent Chip Evacuation and Stable and Long Tool Life ■ 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 and Applications ● Long tool life New cutting edge design and special DEX coating provide long tool life with a wide variety of work materials. ● Stable chip evacuation New flute shape significantly improves chip management and evacuation. ● Quiet cutting and stable cutting resistance Stable drilling with little wobble even in small machine applications. ● Environmentally-friendly Also compatible with the MQL (Minimum Quantity Lubrication) system. Wide chip pocket smoothly evacuates chips formed in the Center. * J flute is a registered trademark. HGS Type GS Type ■ Series Coolant Supply Cat. No. Diameter Range (mm) Drilling Depth (L/D) MDW GS2 Up to 2 External ø1.0 to ø20.0 (GS Type) MDW GS4 Up to 4 J MDW HGS3 ø1.5 to ø20.0 Up to 3 穴あけ Drilling Internal MDW HGS5 Up to 5 (HGS Type) MDW HGS8 ø1.5 to ø16.0 Up to 8 Solid Special ■ Performance Chip Management Performance Comparison Indexable GS Type Conventional Tool GS Type Conventional Tool （Ｎ） Increase near end of hole Reamer 1,800 Thrust Cutting Force (N) 1,400 Brazed 1,000 600 Torque Others 0 Hole Entrance Hole Exit Hole Entrance Hole Exit （Ｎ） 200 XY Force Vibration Amplitude Cutting Force (N) 150 Large Vibration Amplitude 100 50 0 -50 -100 -150 -200 Hole Entrance Hole Exit Hole Entrance Hole Exit GS type provides stable drill behaviour Compact Chips throughout the drilling process. Tool: MDW0800GS4 Work Material: S50C (200HB) Cutting Conditions: vc=80m/min f=0.25mm/rev H=24mm External Coolant (Water Soluble) J8