Каталог Sumitomo сверла и развертки - страница 31

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Навигация

GS / HGSSuper MultiDrill

  • Employs Double Margin (HGS Type) *Except for ø1.5 to ø2.4 mm sizes HGS type employs double margin design for improved stability and accuracy during deep hole drilling.

DEX coating Double margins for HGS type

  • Surface

10 . 0 Ra0.56μm （μm）2.0

Roughness 5 . 0 HGS Type 0 . 0 Comparison 1.5 −5 . 0

−10 . 0 1.0 10 . 0 Ra1.39μm 5 . 0 0.5 Company A's Drill 0 . 0 −5 . 0 0

HGS Type Company A's Drill Company B's Drill

−10 . 0 Surface Roughness Ra 10 . 0 Ra1.72μm 5 . 0

Work Material : SCM415 (120HB) Company B's Drill 0 . 0 Tool : MDW0800HGS5 −5 . 0 Cutting Conditions : v =80m/min f=0.25mm/rev H=38mm c −10 . 0 Internal Coolant (Water Soluble)

  • Circularity

（μm）25.0 HGS Type (Double Margin) Company A's Drill (Single Margin) Comparison 20.0 15.0 HGS Type 10.0 Company A's Drill 5.0 0.0 1 2 3 4 5 6 7 8 9 10 (No. of Holes) Circularity Work Material : S50C (200HB) 4-point guide design thanks to double margin Tool : MDW0800HGS8 reduces runout for improved stability.

7.7μm 19.7μm Cutting Conditions: v =80m/min f =0.25mm/rev

c Good surface roughness and circularity H =64mm Internal Coolant (Water Soluble)

  • Application Examples (Super MultiDrill GS Type)

●S43C (250HB) Automotive Component ●Boron Steel (30HRC) Machine Component ●SS400 Machine Component

  • Tool: MDW0970GS4
  • Tool: MDW0980GS2
  • Tool: MDW1050GS4
  • Cutting Conditions: v =80m/min f=0.25mm/rev H=25mm
  • Cutting Conditions: v =70m/min f=0.15mm/rev H=7mm
  • Cutting Conditions: v =150m/min f=0.3mm/rev H=12mm
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External Coolant (Water Soluble)External Coolant (Water Soluble)External Coolant (Water Soluble)
Achieving 1.5x tool life!1.3x tool life of conventional tools!Achieving 1.5x tool life!
Reduced wear on peripheral cutting edgeGood circularity and cylindricity.Good chip control

GS Type 1,400 Holes Wear GS Type 2,600 Holes Wear GS Type 1,800 Holes Wear

Company B's Drill900 HolesFractureConventional Grade2,000 HolesWearCompany C's Drill1,200 HolesAdhesion
Solid

0 500 1,000 1,500 (No.of Holes) 0 1,000 2,000 3,000 (No.of Holes) 0 1,000 2,000 (No.of Holes)

Special

  • Application Examples (Super MultiDrill HGS Type)

Indexable

●SCR440H Automotive Component ●SUJ2 Automotive Component SCM415 Machine Component

Reamer Brazed Others

  • Tool: MDW0600HGS8
  • Tool: MDW0570HGS5
  • Tool: MDW0860HGS3
  • Cutting Conditions: v =80m/min f=0.25mm/rev H=48mm
  • Cutting Conditions: v =80m/min f=0.1mm/rev H=35mm
  • Cutting Conditions: v =52m/min f=0.2mm/rev H=25mm
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Internal Coolant (Oil based)Internal Coolant (Water Soluble) Internal Coolant (Water Soluble)

Achieving 1.3x tool life! Achieving 2.5x tool life! Achieving 1.8x tool life!

HGS Type650 HolesWearHGS Type1,500 HolesWearHGS Type1,500 HolesWear
Company B's Drill500 HolesBreakageCompany C's Drill600 HolesWearCompany B's Drill800 HolesWear

0 500 1,000 (No.of Holes) 0 500 1,000 1,500 (No.of Holes) 0 500 1,000 1,500 (No.of Holes)