Каталог Sumitomo пластины с кубическим нитридом бора Sumiboron - страница 13

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Coated SUMIBORON for Hardened Steel Machining BNC2010/BNC2020 ■ Performance ● BNC2010 ● BNC2020 7 After 8km After 5km Conventional Coated CBN ■ 6 Surface Roughness Rz (μm) BNC2020 5 After 3km 4 ■ Notch wear Conventional ● Coated CBN 3 ■ After 8km ● BNC2010 2 ● After 2.5km ■ ● Competitor's Coated CBN 1 0 2 4 6 8 0 2.5 5.0 Cutting Distance（km） Minimal notch wear Tool Life（km） Work Material：SCM415 58-62HRC (Continuous) Work Material：SCM415-5V 58-62HRC (Interrupted) Insert：4NC-DNGA150408 Edge Treatment：S01225 Insert：4NC-CNGA120412 Edge Treatment：S01225 Cutting Conditions： c =160m/min =0.08mm/rev p = 0.1mm Wet Cutting Conditions： c =130m/min = 0.1mm/rev p =0.6mm Dry ■ Application Examples BNC2010 BNC2020 【Continuous External Turning of Main Shaft】 （58 to 60HRC） （58 to 60HRC） 【Carburized Layer Removal for Sun Gear】 BNC2010 provides excellent wear resistance and achieves BNC2020 achieves long tool life in high load cutting. excellent surface roughness. 100 300 tool life 2.3x tool life 1.5x No.of Workpieces No.of Workpieces Cutting Distance 5.7km 200 50 100 0 0 Surface Roughness Ra=0.6μm BNC2010 Conventional BNC2020 Conventional Coated CBN Coated CBN Insert：4NC-DNGA150408（BNC2010） Insert：4NC-CNGA120408（BNC2020） Cutting Conditions： c= 200m/min = 0.10mm/rev p= 0.35mm Dry Cutting Conditions： c= 100m/min = 0.15mm/rev p= 0.5mm Wet L SUMIBORON 【CVJ Outer Race Facing】 （58 to 60HRC） 【Interrupted Machining of CVJ Cage Window】 （58 to 60HRC） BNC2010 with a WH type wiper insert maintains excellent surface Strong edged HS type BNC2020 exhibits stability in interrupted roughness for a long time. cutting. 700 300 tool life 1.8x tool life 1.5x No.of Workpieces No.of Workpieces Cutting Distance 4km 500 200 300 100 0 0 Surface Roughness Rz=1.6μm BNC2010 Conventional BNC2020 Conventional WHType Coated CBN HSType Coated CBN （Wiper Insert） （Strong edge type） Insert：2NC-CNGA120412WH（BNC2010） Insert：3NC-TNGA160420HS（BNC2020） Cutting Conditions： c= 150m/min = 0.2mm/rev p= 0.2mm Dry Cutting Conditions： c= 120m/min = 0.10mm/rev p= 0.15mm Dry L13