Общий каталог Sumitomo 2019 - 2020 - страница 33

Grade CBN Characteristic Values Work Material Grade Binder Carbon Content (%) Grain Size (μm) Hardness HV (GPa) TRS (GPa) Main Coating Components Coating Thickness (μm) Features Improved wear resistance from coating TiCN Multiple BNC2010 TiCN 50 to 55 2 30 to 32 1.1 to 1.2 Layers 1.5 and substrate, achieves excellent and Insert Grades consistent surface finish. Utilising a tough substrate along with a highly wear- TiAlN Multiple BNC2020 TiN 70 to 75 5 34 to 36 1.4 to 1.5 Layers 1.5 resistant and adhesive coating layer, to achieve long tool life in general-purpose to high-efficiency applications. Suitable for finishing of workpieces with BNC300 A TiN 60 to 65 1 33 to 35 1.5 to 1.6 TiAIN 1 a mixture of continuous and interrupted cutting portions. Grade suitable for high-speed finishing BNC100 TiN 40 to 45 1 29 to 32 1.0 to 1.1 TiAIN/TiCN 2 thanks to highly wear-resistant coating. Carbide Coated Achieves stable, high-precision finishing of BNC160 TiN 60 to 65 3 31 to 33 1.2 to 1.3 TiAIN/TiCN 2 hardened steel. Provides long tool life thanks to tough BNC200 TiN 65 to 70 4 33 to 35 1.4 to 1.5 TiAIN 2 substrate and highly wear-resistant Cermet coating. Hardened Steel Grade with ultimate wear and fracture BN1000 TiCN 40 to 45 1 27 to 31 0.9 to 1.0 — — resistance, suitable for high-speed cutting. General-purpose grade for hardened steel Carbide BN2000 TiN 50 to 55 2 31 to 34 1.1 to 1.2 — — machining with a high degree of fracture and wear resistance. Grade with excellent crater wear resistance, BNX20 TiN 55 to 60 3 31 to 33 1.0 to 1.1 — — suitable for high-efficiency cutting under high-temperature conditions. CBN Grade with ultimate cutting edge strength, BN350 TiN 60 to 65 1 33 to 35 1.5 to 1.6 — — suitable for heavy interrupted cutting. Highly wear-resistant grade, suitable for BNX10 TiCN 40 to 45 3 27 to 31 0.9 to 1.0 — — high-speed continuous cutting. PCD Grade with superior fracture resistance in BNX25 TiN 65 to 70 4 29 to 31 1.0 to 1.1 — — high-speed cutting and suited for high- speed interrupted cutting of hardened steel. Grade maintaining ultimate cutting Co BN7500 90 to 95 1 41 to 44 2.0 to 2.1 — — edge sharpness, suitable for finishing of Ceramic Compound Sintered powdered metal. Alloy Co Grade exhibiting improved wear and BN7000 Compound 90 to 95 2 41 to 44 1.8 to 1.9 — — fracture resistance in roughing of sintered materials. Grade with 100% solid CBN structure and BNS800 Al Alloy 85 to 90 8 39 to 42 0.9 to 1.1 — — excellent thermal shock resistance. Grade exhibiting wear and fracture Co BN7000 Compound 90 to 95 2 41 to 44 1.8 to 1.9 — — resistance in cutting of cast iron and exotic alloys. Cast Iron Grade optimised for cast iron cutting. BN500 TiC 65 to 70 6 32 to 34 1.0 to 1.1 — — Provides superior wear and fracture resistance. BNC500 Grade suitable for machining of hard-to-cut (For Ductile TiC 60 to 65 4 32 to 34 1.1 to 1.2 TiAIN 2 cast iron, thanks to the highly wear-resistant Cast Iron) substrate and coating. Achieves high-efficiency, improved machining NCB100 — 100 up to 0.5 51 to 54 1.8 to 1.9 — — accuracy, and long tool life in machining of exotic Exotic Alloy alloys such as titanium alloy and Co-Cr alloys. Transverse rupture strength measured with a test piece equivalent to the insert’s CBN layer SUMIBORON Coated SUMIBORON Series L2 on A33