Общий каталог Sumitomo 2019 - 2020 - страница 942

DrillingSolidIndexableIndexableHead TypeInsert TypeReamersBrazedOthers Thrust (N)Expansion Amount (mm) To 1-2 To 1-3 To 1-4 To 1-2 Cannot be used with low helixCannot be used with low helix and straight cutting edges of competitors.and straight cutting edges of competitors. To 1-2 Cannot be used with low helix and straight cutting edges of competitors.Cannot be used with low helix and straight cutting edges of competitors. Finished Surface Roughness (μm)Y direction offset (mm) Y direction offset (mm) Cannot be used with low helix and straight cutting edges of competitors. Cannot be used with low helix and straight cutting edges of competitors. Y direction offset (mm) NHGS Type (Helix Angle 30°) Competitor's Product (Low Helix) Competitor's Product Straight Edge Super MultiDrills NHGS Type ■ Features ● High-efficiency drilling AURORA Coat (DLC Coat) and low resistance WL (Wide L) thinning drastically reduce cutting force. ● Stable drilling performance Special cutting edge design and WW (Wide W) margin improve hole quality. ● Long tool life With AURORA Coat coupled with the cutting edge shape, a long and stable tool life is achieved. J ● Deep hole drilling Drills for deep hole drilling can be made to oder. (Production range: Drill diameters: ø3.0 to ø16.0mm ■ Product Range (Stocked Sizes) Overall length: Available on inquiry) Coolant Supply Cat. No. Diameter Range (mm) Hole Depth (L/D) MDW□□□□NHGS3 up to 3 ø3.0 to 16.0 Internal MDW□□□□NHGS5 up to 5 MDW□□□□NHGS10 ø3.0 to 13.0 up to 10 ■ Performance Cutting force Machined surface quality ● Low cutting force, achieving 2 to 4 times the feed rate ● Achieves good surface roughness over a wide range of feed rates The cutting force of the NHGS Type is Good surface roughness from low to high feed rates: 1/2 that of competitors' 30° helix drills ⇒ double the feed rate! Ra=0.11 to 0.25 1/3 that of competitors' light helix drills ⇒ 3x the feed rate! Rz (J94)=0.66 to 1.62 1/4 that of straight-blade drills ⇒ 4x the feed rate! Thrust Finished Surface Roughness Legend (common) 1,400 2.5 1,200 1,180 Rz(J94) 2.0 Ra 1,000 830 800 1.5 700 600 600 550 470 1.0 400 350 260 0.5 200 0 0.2 0.4 0.8 0.0 0.2 0.4 0.8 Feed Rate f (mm/rev) Feed Rate f (mm/rev) Tool: MDW 0800NHGS5 (DL1300) Work Material: ADC12 Tool: MDW 0800NHGS5 (DL1300) Work Material: ADC12 Cutting Speed: vc=200m/min Machine: Vertical machining centre (BT30) Cutting Speed: vc=200m/min Machine: Vertical machining centre (BT30) Coolant: Internal supply (1.5MPa) Coolant: Emulsion (dilute to around 25x) Coolant: Internal supply (1.5MPa) Coolant: Emulsion (dilute to around 25x) Machined hole accuracy (hole expansion) Machined hole accuracy (hole position accuracy) ● Stable hole accuracy with hole expansion within 0.01mm ● Pre-cast hole accuracy within ±1/10 to ±1/5 of axial offset Achieves minimal expansion and stable machining Pre-cast hole accuracy (hole position accuracy) Setting offset from low to high feed rates Feed RateOffset 0.25mm/rev 0.50mm/rev 0.75mm/rev ø6.8Virtual precast hole Hole diameter expansion 0.3mm ±0.03mm ±0.04mm ±0.06mm 0.015 0.5mm ±0.05mm ±0.07mm ±0.10mm Max. Conventional ±0.09mm ±0.19mm 0.010 Average drill: 0.3mm ø8.5 Min. ● Test methodAn axial offset of 0.3mm to 0.5mm is set for a virtual pre-cast hole (ø6.8) 0.005 and a hole is drilled with an ø8.5 drill before measuring the deviation from the target position. Pre-cast drilling performance (hole position accuracy) Axial offset 0.3mmAxial offset 0.5mm Conventional drill: Axial offset 0.3mm 0.000 Feed Rate f = 0.25 mm/rev Feed Rate f = 0.50 mm/rev Feed Rate f = 0.75 mm/rev 0.15 0.15 0.15 0.1 0.1 0.1 -0.005 0.05 0.05 0.05 0 0 0 -0.010 -0.15 -0.1 -0.05 02 0.05 0.1 0.15 -0.15 -0.1 -0.05 02 0.05 0.1 0.15 -0.15 -0.1 -0.05 02 0.05 0.1 0.15 0.2 0.4 0.8 -0.05 -0.05 -0.05 Feed Rate f (mm/rev) -0.1 -0.1 -0.1 Tool: MDW 0800NHGS5 (DL1300) Work Material: ADC12 -0.15 -0.15 -0.15 Cutting Speed: vc=200m/min Machine: Vertical machining centre (BT30) X direction offset (mm) X direction offset (mm) X direction offset (mm) Coolant: Internal supply (1.5MPa) Coolant: Emulsion (dilute to around 25x) Tool: MDW 0850NHGS5 (DL1300) Work Material: AC4C-T6 Cutting Speed: vc=200m/min (n=7, 489min-1) Machine: Vertical machining centre (BT30) Coolant: Internal supply J82