Общий каталог Dijet 2018 - страница 189

• RECOMMENDED CUTTING CONDITIONS / SIDE FACE FINISHING
• MRX type with FRM insert ＋ MSN Carbide Shank Holder

Cutting Tool dia. (mm)

n Vf n Vf

(m/min)

Carbon steel

S50C, S55C JC8015 a 0.25 0.30

p(mm) (C50, C55)

Below 250HB a 0.10 0.12

e(mm)

300 9,550 2,860 7,960 2,380

Die steel

SKD61, SKD11 JC8015 a 0.25 0.30

p(mm) (1.2344, 1.2379)

Below 255HB a 0.10 0.12

e(mm)

280 8,910 2,670 7,420 2,220

Stainless steel

SUS304 JC8015 ap(mm) 0.25 0.30

Below 250HB

ae(mm) 0.10 0.12

300 9,550 2,860 7,960 2,380

Mold steel

HPM7, PX5, P20 JC8015 a 0.25 0.30

p(mm) (1.2311, P20) DH102

30-36HRC a 0.10 0.12

e(mm)

280 8,910 2,670 7,420 2,220

Mold steel

NAK80, HPM1, P21 DH102 a 0.25 0.30

p(mm) (1.2311, P21)

38-43HRC a 0.10 0.12

e(mm)

250 7,960 800 6,630 800

Hardened die steel

SKD61, DAC, DHA DH102 a 0.25 0.30

p(mm) (1.2344, 1.2379)

42-52HRC a 0.10 0.12

e(mm)

200 6,360 640 5,300 640

Hardened die steel

SKD11, SLD, DC11 DH102 a 0.25 0.30

p(mm) (1.2344, 1.2379)

55-62HRC a 0.10 0.12

e(mm)

350 11,140 3,900 9,280 3,710

Grey & Nodular

e(mm) a : Axial depth of cut,a : Radial depth of cut, n:Spindle speed, V : Feed speed

p e f

Overhung length Vc V f

• L/Dc (m/min) (mm/min)

NOTE rigidity. 3D cor less

2) In case chatter occurrs, recommend to reduce depth of cut or feed speed. 3Dc~5Dc 70% 70%

3) In case of overhung lengt hover 3 x Dc, cuting speed and feed speed to be Over 3Dc, up to 5D c

4) Use air blow to flush the chips out. Over 5Dc, up to 10D c B173