Общий каталог Dijet 2018 - страница 523

Solid Carbide End Mills Tooling by DIJET “One-Cut Ball 70” Ball Nose End Mill DH-OCHBTYPE ● For high hardened steel up to 70 HRC ● 4 flutes, Helix angle 45° ● DH Coating ■TOLERAnCE (mm) R of ball nose Tolerance of R Tolerance of DC R1.5~R2 ± 0.008 0−0.010 R2.5~R6 ± 0.008 0−0.015 Dimensions (mm) Cat. No. Stock R φDc ℓ ℓ2 L φD1 φDs Fig. DH-OCHB4030 ● 1.5 3 4.5 9 70 2.9 6 1 DH-OCHB4040 ● 2 4 6 12 70 3.8 6 1 DH-OCHB4050 ● 2.5 5 7.5 15 80 4.8 6 1 DH-OCHB4060 ● 3 6 9 18 90 5.7 6 2 DH-OCHB4080 ● 4 8 12 24 100 7.6 8 2 DH-OCHB4100 ● 5 10 15 30 100 9.5 10 2 DH-OCHB4120 ● 6 12 18 36 110 11.4 12 2 ■ RECOMMENDED CUTTING CONDITIONS FOR “ONE-CUT BALL 70” 1. For finishing Tool & die steelWorkMold steel Hardened steelMaterials(1.2344, 1.2379, 1.2311, P20,P21)(1.2344, 1.2379)Hardened steelHardened steel(1.2344, 1.2379)(1.2379, HSS) ~45HRC 45~55HRC 55~62HRC 62~72HRC Type of Machining Tool dia. Spindle speed Feed speed Spindle speed Feed speed Spindle speed Feed speed Spindle speed Feedspeed R(mm) φDc(mm) n (min-1) Vf (mm/min) n (min-1) Vf (mm/min) n (min-1) Vf (mm/min) n (min-1) Vf (mm/min) 1.5 3 25,500 4,000 21,200 3,000 17,000 2,000 12,700 1,000 2 4 19,100 4,000 15,900 3,000 12,700 2,000 9,500 1,000 2.5 5 15,300 4,000 12,700 3,000 10,200 2,000 7,600 1,000 3 6 12,700 4,000 10,600 3,000 8,500 2,000 6,400 1,000 4 8 9,500 4,000 8,000 3,000 6,400 2,000 4,800 1,000 5 10 7,600 4,000 6,400 3,000 5,100 2,000 3,800 1,000 6 12 6,400 4,000 5,300 3,000 4,200 2,000 3,200 1,000 Note) The figures to be adjusted according to the machine rigidity or work rigidity. D041