7Leaders

Cutting Conditions

R329

R319

R308 / R309

R308 R309 R319 R329

Dc

Dc

Dc

cutting speed Vc (m/min)

feed per tooth fz(mm)

cutting speed Vc (m/min)

feed per tooth fz(mm)

cutting speed Vc (m/min)

feed per tooth fz(mm)

Carbon Steel Materials

15

0.008xDc

15

0.008xDc

15

0.008xDc

GR1 Carbon Steel

<24HRC Low-alloyed Steel <30HRC Hi-alloyed Steel 30~38HRC Hardened Steel 38~48HRC Hardened Steel

15

0.008xDc

15

0.008xDc

15

0.008xDc

GR2

P

12

0.006xDc

12

0.006xDc

12

0.006xDc

GR3

Hardened Steel Materials

8

0.005xDc

8

0.005xDc

8

0.005xDc

GR4

H

5

0.003xDc

5

0.003xDc

5

0.003xDc

GR5

Stainless Steel Materials

12

0.006xDc

12

0.006xDc

12

0.006xDc

GR8-1 Ferritic 、 Martensitic

12

0.006xDc

12

0.006xDc

12

0.006xDc

GR8-2 Austenitic

M

12

0.006xDc

12

0.006xDc

12

0.006xDc

GR8-3 Austenitic-ferritic

Austenitic-ferritic Heat-resistant

8

0.004xDc

8

0.004xDc

8

0.004xDc

GR8-4

Cast Lron Materials

15

0.006xDc

15

0.009xDc

15

0.009xDc

GR9-1 Grey cast iron

K

15

0.006xDc

15

0.009xDc

15

0.009xDc

GR9-2 Nodular cast iron

Aluminium Steel Materials

Wrought Aluminium alloys Aluminium cast alloys <10% Aluminium cast alloys >10%

20

0.006xDc

20

0.006xDc

20

0.006xDc

GR10-1

20

0.006xDc

20

0.006xDc

20

0.006xDc

GR10-2

20

0.006xDc

20

0.006xDc

20

0.006xDc

GR10-3

N

Copper Steel Materials

15

0.006xDc

15

0.006xDc

15

0.006xDc

GR11-1 Pure Copper

15

0.006xDc

15

0.006xDc

15

0.006xDc

GR11-2 Brass

15

0.006xDc

15

0.006xDc

15

0.006xDc

GR11-2 Bronze

All cutting data serve for orientation only and should be adapted individually to the technical conditions on location 1. Please work with good rigidity / high precision facilities and collet chuck. 2. Please choose proper cutting fluid. 3. The cutting data is reference value only. Please adjust it according to your real working conditions. 4. If RPM is lower the reference value, the Feed rate (fz) and RPM should be reduced by the same proportion. 5. If vibration occurs during cutting, please reduce cutting parameter.

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