Общий каталог Dijet 2018 - страница 413

Tooling by DIJET Indexable Tools Mirror Radius RnMTyPE ■ CASE STUDIES 1. Replacement of solid carbide ball nose end mill with Mirror radius Overhung length: 30mm Part name Work Material Die steel (DH21: Heat treated) Hardness 48HRC Tool No. RNMM-060030U-S06C Tool Grade RNM-060-R10, JC8015 Semi-finishing: n=5,000min-1, Vc=94m/min Vc, (n) Finishing: n=10,000min-1, Vc=188m/min Semi-finishing: Vf=1,500mm/min, f=0.3mm/min Vf, (fz) Finishing: Vf=2,000mm/min, f=0.2mm/min Cutting conditions Semi-finishing: 0.25mm ap (mm) Finishing: 0.05mm Semi-finishing: 3.5mm Finished entire job for 5 hours by 1 insert ae (mm) Finishing: 0.3mm Result and still able to continue. Reduced the polishing process by improved surface Coolant Air blow quality. Machine Vertical MC 2. Improved efficiency Part name Plastic mold Work Material Mold steel (P20) Hardness 30-33HRC Tool No. RNMM-200075S-S20C Tool Grade RNM-200-R03, JC8015 Vc, (n) n=3,200min-1, Vc=200m/min Vf, (fz) Vf=1,600mm/min, f=0.5mm/rev Cutting conditions ap (mm) 0.05mm ae (mm) 10-12mm Result Achieved 3 times faster feed speed than competitor A Coolant Air blow Machine Vertical MC 3. Replacement of solid carbide end mill with Mirror radius (Roughing for inner side wall). Overhung length: 60mm Part name Electrode Work dia.:φ60 Work Material Copper (Cu) Hardness — Tool No. RNMM-120060U-S12C Tool Grade RNM-120-R03, JC8003 Vc, (n) n=3,000min-1, Vc=113m/min Vf, (fz) Vf=1,000mm/min, f=0.3mm/rev Cutting conditions ap (mm) 0.5mm ae (mm) 5.8mm Achieved 100m tool life and reduced Result machining time compared with Coolant Water soluble competitor’s solid carbide end mill. Machine Vertical MC C201