Каталог Sumitomo сверла и развертки - страница 31

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Super MultiDrill GS / HGS Type ■ 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 5.0 Ra0.56μm （μm）2.0 Roughness HGS Type 0.0 1.5 Comparison −5 . 0 −10 . 0 1.0 10 . 0 5.0 Ra1.39μm 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 5.0 Ra1.72μm Work Material : SCM415 (120HB) Company B's Drill 0.0 Tool : MDW0800HGS5 −5 . 0 Cutting Conditions : vc=80m/min f=0.25mm/rev H=38mm −10 . 0 Internal Coolant (Water Soluble) ● Circularity HGS Type (Double Margin) Company A's Drill (Single Margin) （μm） 25.0 20.0 Comparison 15.0 HGS Type 10.0 Company A's Dril 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 7.7μm 19.7μm Cutting Conditions: vc=80m/min f =0.25mm/rev reduces runout for improved stability. H=64mm Internal Coolant (Water Soluble) Good surface roughness and circularity ■ 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: vc=80m/min f=0.25mm/rev H=25mm · Cutting Conditions: vc=70m/min f=0.15mm/rev H=7mm · Cutting Conditions: vc=150m/min f=0.3mm/rev H=12mm External Coolant (Water Soluble) Achieving 1.5x tool life! External Coolant (Water Soluble) 1.3x tool life of conventional tools! External Coolant (Water Soluble) Achieving 1.5x tool life! J 穴 Reduced wear on peripheral cutting edge Good circularity and cylindricity. Good chip control Drilling あけ GS Type 1,400 Holes Wear GS Type 2,600 Holes Wear GS Type 1,800 Holes Wear Company B's Drill 900 Holes Fracture Conventional Grade 2,000 Holes Wear Company C's Drill 1,200 Holes Adhesion 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: vc=80m/min f=0.25mm/rev H=48mm · Cutting Conditions: vc=80m/min f=0.1mm/rev H=35mm · Cutting Conditions: vc=52m/min f=0.2mm/rev H=25mm 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 Type 650 Holes Wear HGS Type 1,500 Holes Wear HGS Type 1,500 Holes Wear Company B's Drill 500 Holes Breakage Company C's Drill 600 Holes Wear Company B's Drill 800 Holes Wear 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) J9