Общий каталог Sumitomo 2019 - 2020 - страница 869

20mmSurface Roughness (Rz) Hole Enlargement (mm)Hole Deviation (mm) Surface Roughness (Rz) OthersBrazedReamersIndexableIndexableInsert TypeHead TypeSolidDrilling MultiDrill Series NeXEO MDE Type ●Drills holes with good precision and high quality Internal Coolant Supply: Double margin External Coolant Supply: Single margin ● Special double margin for good hole precision (internal coolant supply) ● Comparison of hole precision (die steel drilling) MDE Type Conventional Tool 0.05 Standard drill from 0.040.030.02Submargin0.01 competitorSingle marginJMDE Type 0 2 4 6 0.20 Standard drill from 0.15 competitor 0.10 Single margin 0.05 MDE Type 0 2 4 6 Effective use of submargin No. of Holes from entrance Work Material: DH31S (49HRC) Tool: MDE 0800S08H05 (ø8mmx5D) Cutting Conditions: v c=17m/min, f=0.07mm/rev, internal coolant supply (water soluble) ● Comparison with high-speed steel powder drill, good hole precision (die steel machining) MDE Type Competitor's high-speed steel powder drill Good hole position accuracy Machining reference Machining reference Positioning Deviation 0.021mm Minimal hole deviation0.053mm Work Material: NAK55 Tool: MDE 0680S07E04 (ø6.8mmx4D) Cutting Conditions: v c=50m/min, f=0.1mm/rev, H=20mm, external coolant supply (water soluble) Hole Deviation 0.004mm 0.596mm ● Comparison of hole wall MDE Type Competitor's high-speed steel powder drill Ra = 0.111μm Ra = 0.513μm Rz = 0.926μm Rz = 2.675μm Lustrous, good quality Cloudiness due to blemishes [μm] [μm] 2 2 1 1 0 0 -1 -1 -2 -2 -3 -3 J9