Общий каталог Dijet 2018 - страница 395

Tooling by DIJET Indexable Tools Mirror Ball BnMTyPE ■ CASE STUDIES 4. High speed & high precision machining (Aircraft parts) Required surface roughness Rz: 6.3μm Part name Vertical tail parts Work Material SCM440 Hardness 40HRC Tool No. BNML-120095S-S12C (C Body) Tool Grade BNM-120, JC5015 Vc, (n) 10,000min-1, 377m/min Vf, (f) 800mm/min, 0.08mm/rev Cutting conditions ap (mm) 0.2mm No chatter and very smooth cutting. ae (mm) 0.1mm Result Improved surface quality compared with solid ball nose end mill. Achieved the Coolant Water soluble reduction in machining time. Machine Vertical MC C183