Общий каталог Sumitomo 2018 - 2019 - страница 492

K Cast Iron Uncoated SUMIBORON BNS800 Solid CBN grade for high speed rough and finish machining of cast iron - General Solid CBN grade with high content CBN and special binder phase provide high fracture toughness and high thermal conductivity. Solid inserts for roughing with high depth of cut and also for finishing of cast iron and alloyed cast iron at wet and dry conditions. - Advantages l High wear resistance ! High CBN-content and special binder phase provide a excellent wear resistance and a tight dimensional control in finish machining. l High edge stability ! High thermal conductivity of BNS800 and high edge stability provide a long tool life at wet and dry machining. - Performance Continuous Cutting Interrupted Cutting Interrupted cut is OK. (µm) ce is Wear resistan (Chipping 0,14mm) tte r th an co mpetitor’s. be BNS800 Width of Flank Wear Competitor’s CBN Competitors Fracture solid CBN interrupted cut. Cutting Length (m) Cutting Length (m) Work material: Round Bar (GG30) Work material: Round Bar- 6V, grooved (GG30) Insert type: SNGN 090308 Insert type: SNGN 090308 Cutting data: vc = 800 m/min, f = 0,2 mm/rev, doc = 0,5 mm, Dry Cutting data: vc = 600 m/min, f = 0,3 mm/rev, doc = 0,5 mm, Dry - Application Cylinder Bore Brake Disc Carbide Roll Sprayed Face Bore Example GG25 GG25 Carbide (Co 15%) Colmonoy Light Cut Finishing Boring Turning Turning SUMI BORON Tool life criteria: Tool life criteria: Tool life criteria: Tool life criteria: Finishing Breakage Breakage Breakage BNS800 7500 Bore BNS800 400 pcs BNS800 5 pass BNS800 10 pcs Comp. Comp. Comp. Comp. sold 2500 Bore sold 200 pcs 1 pass Breakage 6 pcs CBN CBN CBN CBN Tooling Light Cut Finishing Tooling Finishing Tooling Finishing Tooling Roughing Finishing Grade BNS800 Grade BNS800 Grade BNS800 Grade BNS800 Insert SNGN090308 Insert DNGN110312 Insert RNGN090300 Insert SNGN090312 SNGN090308 vc 1000m/min vc 600m/min vc 40m/min vc 80m/min f 0,3mm/rev 0,25mm/rev f 0,3mm/rev f 0,15mm/rev f 0,04mm/rev 0,03mm/rev doc 0,2mm doc 0,5mm doc 0,2mm doc ~3mm 0,5mm Coolant Wet Coolant Dry Coolant Wet Coolant Wet L21