Общий каталог Dijet 2018 - страница 396

Tooling by DIJET Indexable Tools Mirror Ball BnMTyPE ■ CASE STUDIES “MIRROR S” 1. Replacement of solid carbide ball nose end mill with Mirror ball. Part name Upper die Work Material Die steel Hardness 32-35HRC Tool No. BNMM-250090S-S25C Tool Grade BNM-250-S (JC8008) Vc, (n) n=3,000min-1, Vc=235m/min Cutting conditions Vf, (f) Vf=2,500mm/min, f=0.83mm/rev ap (mm) 0.3mm After machining 18 hours, BNM-S insert ae (mm) 0.25mm Result showed just normal wear. Work surface was also good compared with Coolant Dry competitor’s tool. Machine Vertical MC 2. Finishing by Mirror ball. Overhung length 150mm~160mm Part name — Work Material ZAS Hardness — Tool No. BNML-300160T-S32 Tool Grade BNM-300-S (FZ05) Vc, (n) n=2,200min-1, Vc=207m/min Vf, (f) Vf=2,000mm/min, f=0.9mm/rev Cutting conditions ap (mm) 0.6mm ae (mm) 0.6mm Result Smoother cutting and 2 times longer tool life than competitor A. Coolant Air blow Machine Vertical MC 3. Replacement of solid carbide ball nose end mill with Mirror ball. Overhung length: 30 mm with shrink fit holder Part name Insert core Work Material Die steel (DH21: heat-treated) Hardness 48HRC Tool No. BNMS-100030S-S10C Tool Grade BNM-100-S (JC8008) Vc, (n) n=10,000min-1, Vc=314m/min Vf, (f) Vf=3,000mm/min, f=0.3mm/rev Cutting conditions ap (mm) 0.1mm ae (mm) 0.1mm Machining with Mirror ball could give more Result tool life than the competitor’s solid carbide Coolant Air blow ball nose end mill. Machine Vertical MC C184