Общий каталог Dijet 2018 - страница 333

Tooling by DIJET Indexable Tools Nega Hepta NHPTYPE ■ CUTTING PERFORMANCE Cutting Force Comparison 7000 Feed force Material: FC300 6000 Main force Cutting conditions: Cutting force (N) Back force Vc=200m/min 5000 Reduce Resistant force fz=0.5mm/t 4000 3000 30% ap=3mm ae=80mm 2000 Overhung length: ℓ=138mm 1000 Downcut, Dry 0 φ125, 18 inserts DIJET Competitor B Tool Life Comparison 0.7 Material: FC300 (Interrupted cutting) 0.6 Cutting conditions: Vc=300m/min, n=764min-1, DIJET fz=0.3mm/t, ap=3mm,ae=100mm Max. flank wear (mm) 0.5 Competitor B Overhung length: ℓ=138mm, Dry 0.4 0.3 0.2 DIJET: 30m Competitor B: 30m 0.1 Inserts got wornout gradually 0 5 10 15 20 25 30 35 Cutting length (m) Surface Roughness (μm) 5.0 Material: FC300 (Interrupted cutting) 0.0 Cutting conditions: Vc=300m/min, n=764min-1, –5.0 Entrance –10.0 fz=0.3mm/t, ap=3mm, Ra: 1.14μm –15.0 Rz: 9.73μm ae=100mm –20.0 Overhung length: ℓ=138mm, Dry 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 (mm) Entrance (μm) 5.0 20 Center 0. 0.0 0 –5.0 Center –10.0 Ra: 1.51μm –15.0 Rz: 8.47μm –20.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 (mm) (μm) 5.0 0.0 –5.0 Exit –10.0 Ra: 1.28μm Exit –15.0 Rz: 9.28μm –20.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 (mm) Surface roughness: below Ra=1.6μm! C121