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) External MDW GS2 Up to 2 (GS Type) ø1.0 to ø20.0 J MDW GS4 Up to 4 MDW HGS3 Up to 3 穴 Drilling Internal ø1.5 to ø20.0 あ (HGS Type) MDW HGS5 Up to 5 け 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 Reamer （Ｎ） Increase near end of hole 1,800 Cutting Force (N) 1,400 Thrust Brazed 1,000 600 Torque Others 0 Hole Entrance Hole Exit Hole Entrance Hole Exit （Ｎ） 200 Cutting Force (N) 150 XY Force Vibration Amplitude 100 Large Vibration Amplitude 50 0 -50 -100 -150 -200 Hole Entrance Hole Exit Hole Entrance Hole Exit Compact Chips GS type provides stable drill behaviour 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