Общий каталог Dijet 2018 - страница 524

Solid Carbide End Mills Tooling by DIJET “One-Cut Ball 70” Ball Nose End Mill DH-OCHBTYPE ■ RECOMMENDED CUTTING CONDITIONS FOR “ONE-CUT BALL 70” 1. For roughing & semi-finishing Work Tool & die steelMold steel Hardened steelMaterials(1.2344, 1.2379, 1.2311, P20,P21)(1.2344, 1.2379)Hardened steel(1.2344, 1.2379)Hardened steel(1.2379, HSS) ~45HRC 45~55HRC 55~62HRC 62~72HRC Type of Machining example φDc=3 example φDc=3 example φDc=3 example φDc=3 Tool dia. Spindle speed Feed speed Spindle speed Feed speed Spindle speed Feed speed Spindle speed Feed speed ap x ae ap x ae ap x ae ap x ae 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 19,100 3,000 0.22 15,900 2,250 0.22 12,700 1,500 0.18 9,500 750 0.05 2 4 14,300 3,000 0.38 11,900 2,250 0.38 9,500 1,500 0.32 7,200 750 0.10 2.5 5 11,500 3,000 0.60 9,500 2,250 0.60 7,600 1,500 0.50 5,700 750 0.15 3 6 9,500 3,000 0.86 8,000 2,250 0.86 6,400 1,500 0.72 4,800 750 0.22 4 8 7,200 3,000 1.54 6,000 2,250 1.54 4,800 1,500 1.28 3,600 750 0.38 5 10 5,700 3,000 2.40 4,800 2,250 2.40 3,800 1,500 2.00 2,900 750 0.60 6 12 4,800 3,000 3.46 4,000 2,250 3.46 3,200 1,500 2.88 2,400 750 0.86 Note) The figures to be adjusted according to the machine rigidity or work rigidity. ● Attention for helical milling 1) Recommended ramping angle is under 1 ° (up to 3 °). 2) In case of ramping angle under 1 ° , apply the above table. But, in case of ramping angle over 1 ° , recommend to reduce Feed speed according to actual machining condition. D042