Общий каталог Dijet 2018 - страница 55

Modular Head Series Tooling by DIJET QM MAX MQXTYPE ■ RECOMMENDED CUTTING CONDITIONS/ HIGH SPEED MACHINING ● MQX type (EPHW type insert) + MSN Carbide Shank Holder Tooldia.(mm) Work Insert 40/42 40 Materials Grades No. of teeth 6N No. of teeth 7N ℓ(mm) ap(mm) ae(mm) n (min-1) Vf(mm/min) ℓ(mm) ap(mm) ae n Vf(mm)(min-1)(mm/min) Hardened die steel ~130 0.30 ~32 720 3,460 ~130 0.30 ~32 720 4,030 SKD61, DAC, DHA(1.2344,1 .2379)JC81181900.25 ~32 650 2,500 190 0.25 ~32 650 2,910 42-52HRC 250 0.20 ~32 580 1,670 250 0.20 ~32 580 1,950 Hardened die steel ~130 0.20 ~32 640 1,150 ~130 0.20 ~32 640 1,340 SKD11, SLD,DC11(1.2344, 1.2379)DH102190 0.15 ~32 580 940 190 0.15 ~32 580 1,100 55-62HRC 250 0.10 ~32 510 740 250 0.10 ~32 510 860 ℓ: Overhung length, ap: Axial depth of cut, ae: Radial depth of cut, n: Spindle speed, Vf: Feed speed ■ NOTE 1) The cutting parameters to be adjusted according to the machine rigidity or work rigidity. 2) In case chatter occurrs, recommend to reduce depth of cut or spindle speed with keeping feed per tooth. 3) If machine does not have enough power, recommend to reduce depth of cut first and reduce spindle speed and feed speed. 4) Use air blow to flush the chips out. B039