Каталог Sumitomo сверла и развертки - страница 30

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GS / HGSSuper MultiDrill

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 SupplyCat. No.Diameter Range (mm)Drilling Depth (L/D)
ExternalMDW GS210 t 200Up to 2
(GS Type)MDW GS4ø. o ø.Up to 4
MDW HGS3Up to 3
15 t 200
Internal (HGS Type)MDW HGS5ø. o ø.Up to 5
MDW HGS8ø1.5 to ø16.0Up to 8

Solid

  • Performance

Special Indexable Reamer Brazed Others

Chip Management Performance Comparison

GS Type Conventional Tool GS Type Conventional Tool

（Ｎ） Increase near end of hole 1,800 Thrust 1,400

1,000 Torque 600

0

Hole EntranceHole ExitHole EntranceHole Exit
（Ｎ）
200
150XY ForceVibration 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: v =80m/min f=0.25mm/rev H=24mm External Coolant (Water Soluble)