Общий каталог Sumitomo 2019 - 2020 - страница 955

OthersBrazedReamersIndexableIndexableInsert TypeHead TypeSolidDrilling SEC-MultiDrills SMD Type MTL Type Suitable for high-ef ciency drilling of general steel X-Type Thinning DEX Coat Web thinning with excellent centring ● Excellent cutting edge strength Large edge treatment is used to reduce breakage of the cutting edge. ● Stable machined hole accuracy Large cutting edge treatment X Type thinning achieves excellent centring on entry and stable drilling. Strong peripheral edge■ Application Examples: MTL Type ■ Drilling Precision J Improved tool life and ef ciency Ef ciency Performance(%)Comparison Tool life Tool LifeEf ciency(pcs)180200High drilling accuracyeven with large diameters Bore Diameter(mm)ø33.15 Measured Point (1) (1) Work Material : Housing (S20C)Drill Size : For ø15x5D160185 holes 190 Work Material : SM490(base substrate for construction machinery) ø33.10 Measured Point (2) (2) Cutting Conditions : vc=107m/min 140 180 Drill Size : For ø33x5D ø33.05 f=0.3mm/revHole Depth : 32mm×12 holes120140% 170 holes 170 Cutting Conditions : vc=120m/minf=0.25mm/revCutting Environment : Emulsion TypeMeasurement DirectionsExitø33.00ø32.95 100 160 ≈ 100% ≈ Entrance ø32.90 SEC-MultiDrill Competitor's ø32.85 MTL Type Indexable Drill Entrance point Intermediate point Exit point MEL Type Suitable for exotic alloys such as stainless steel, mild steel, gray cast iron and low rigidity equipment Overlap DEX Coat Thinning Large web thinning angle ● Excellent cutting edge design for SUS and mild steel (SS, etc.) Large thinning angle solves the convex corner breakage issues speci c to mild steel and reduces adhesion breakages with SUS. ● Improved edge chipping resistance in cast iron Small edge treatment Edge sharpness improvements in peripheral areas prevent edge chipping around hole openings in cast iron. Sharp peripheral edge ■ Application Examples (MEL Type) ■ 25% reduction in cutting force (thrust) MEL Type (Cutting Length 15m) Competitor's Product (Cutting Length 11m) ● The MEL type features 25% lower thrust than the MTL type! 3,000 Breakage in Centre 2,500 MEL Type 2,000 MTL Type 1,500 1,000 Work Material: S50C 500 O.D.: ø14.0mm SEC-MultiDrill MEL type has excellent centring, Competitor's indexable drill exhibited poor centring Cutting Conditions: vc=80m/min produces no ri e marks and no cutting edge and produced ri e marks. The centre of the drill 0 f=0.15 f=0.2 f=0.25 breakage after 15m. broke after 11m of drilling. Feed Rate: f (mm/rev) Work Material: SUS304, Drill size: For ø14x5D Sharper blade type and thinning overlap signi cantly reduce thrust Cutting Conditions: vc=60m/min, f=0.15mm/rev, coolant: Emulsion and improve chip control, allowing stable drilling in low-rigidity setups. ■ Recommended Cutting Conditions (MTL Type/MEL Type) (vc: Cutting Speed (m/min), f: Feed Rate (mm/rev)) Work Material Mild Steel(up to 250HB) General Steel Hardened Steel Stainless Steel(250 to 320HB)(45HRC)(up to 200HB)Gray Cast Iron Ductile Cast Iron Aluminum Alloy* Recommended Head MTL Type / MEL Type MTL Type / MEL Type MTL Type MEL Type MTL Type / MEL Type MTL Type / MEL Type MEL Type Dia. DC(mm)CuttingConditionsMin. - Optimum - Max. Min. - Optimum - Max. Min. - Optimum - Max. Min. - Optimum - Max. Min. - Optimum - Max. Min. - Optimum - Max. Min. - Optimum - Max. ø16.0 vc 80-100-120(50-70-80) 70-100-120(50-70-80) 40-60-90(30-50-70) 50-60-80(40-50-60) 50-70-90(40-60-80) 50-60-80 200-240-260(40-50-70)(180-200-240) f 0.15-0.20-0.35 0.15-0.20-0.30 0.10-0.15-0.20 0.10-0.15-0.20 0.20-0.25-0.30 0.20-0.25-0.30 0.35-0.45-0.55 ø20.0 vc 80-100-120(50-70-80) 70-100-120(50-70-80) 40-60-90(30-50-70) 60-70-90(40-60-70) 60-80-100(50-70-90) 50-70-90 200-240-260(40-60-80)(180-200-240) f 0.15-0.25-0.35 0.15-0.25-0.35 0.15-0.20-0.25 0.15-0.20-0.25 0.20-0.30-0.35 0.20-0.25-0.35 0.35-0.50-0.60 ø30.8 vc 80-100-120(50-70-80) 70-100-120(50-70-80) 40-60-90(30-50-70) 60-70-90(40-60-70) 60-80-100(50-70-90) 50-70-90 200-240-260(40-60-80)(180-200-240) f 0.20-0.30-0.35 0.20-0.25-0.35 0.15-0.20-0.25 0.15-0.20-0.25 0.20-0.30-0.40 0.25-0.30-0.35 0.35-0.50-0.60 Recommended Head Large Hole MTL Type (ø31.0 up) ø31.0 vcto 40-60-120(30-50-80) 60-80-120(40-50-80) 40-50-80(30-40-60) 40-60-80(30-40-60) 50-70-100(40-60-90) 50-60-90(40-50-70) 200-240-260 ø42.5 f 0.25-0.35-0.45 0.25-0.30-0.40 0.15-0.25-0.30 0.20-0.25-0.30 0.25-0.35-0.45 0.25-0.30-0.35 0.35-0.50-0.60 Note : Where machine and work clamp rigidity are good, conditions may be increased up to the maximum.For 8D and 12D drills, use the cutting speeds in parentheses as a guideline. *( ) Inquire if you require drill heads dedicated for aluminum alloy. Before drilling 8D and 12D holes, a guide hole of a similar diameter is recommended. J95 Thrust (N)