Общий каталог Dijet 2018 - страница 522

Solid Carbide End Mills Result WorkToolCutting conditions Tooling by DIJET “One-Cut Ball 70” Ball Nose End Mill DH-OCHBTYPE ■ CUTTING PERFORMANCES 3. Toollife comparison on 60 HRC Spindle speed: n=5,100min-1 Cutting speed: Vc=160m/min Feed speed: Vf=2,040mm/min feed:f=0.4mm/rev Pick feed: ae=0.3mm Overhung length: 50mm Coolant: Air blow Machine: Vertival MC ■ CUTTING DATA Part name Forging die Material 1.2379, heat-treated Hardness 60HRC Tool No. DH-OCHB4080 Grade DH-Coated Vc,(n) n=7,000 (min-1), Vc=175 (m/min) Vf 5,000 (mm/min) ap (mm) 0.1 (mm) Improved the efficiency by 1.2 times and ae (mm) 0.3 (mm) tool life by 2 times (9 hours) compared with competitor`s 2 flutes solid carbide Coolant Wet cut ball nose end mill. And DH-OCHB is still able to continue Machine Vertical MC D040