|
Material |
Cutting Speed
V (m/min) |
Feed Rate (mm/rev) |
Coolant |
| |
|
 4 mm |
6 mm |
10 mm |
16 mm |
20 mm |
|
Low alloy Steel upto 900N/mm2
Over 700N/mm2 |
12-15
12-15 |
0.12
0.1
|
0.16
0.12
|
0.2
0.16 |
0.25
0.2 |
0.35
0.3
|
Soluble oil |
High Alloy Steels
upto 900N/mm2
upto 1250N/mm2
upto 1250N/mm2
|
10-15
8-12
6-10 |
0.12
0.1
0.08 |
0.16
0.12
0.1
|
0.2
0.16
0.12 |
0.25
0.2
0.16 |
0.3
0.25
0.2
|
Soluble oil |
| Cr-Ni alloyed steels |
8-10 |
0.08
|
0.1
|
0.12 |
0.16 |
0.2 |
Cutting Oil |
Gray Cast Iron
up to 200 Brinell
Over to 200 Brinell |
12-15
8-12 |
0.12
0.1 |
0.16
0.12 |
0.2
0.16 |
0.25
0.2 |
0.35
0.3 |
Dry Soluble Oil |
Malleable Cast Iron
upto 450 N/mm2 |
8-12 |
0.1 |
0.12 |
0.16 |
0.2 |
0.3 |
Soluble oil |
Copper
Industrial
Electrolytic |
15-30
15-20 |
0.14
0.1 |
0.2
0.12 |
0.25
0.16 |
0.3
0.2
|
0.35
0.25 |
Soluble oil |
Aluminum
Soft long chipping
with up to 12% Si
with Over to 12% Si
|
15-30
15-30
10-20 |
0.14
0.12
0.1 |
0.2
0.16
0.12 |
0.25
0.2
0.16 |
0.3
0.25
0.2 |
0.4
0.35
0.25 |
Soluble oil
Soluble oil |