|
Cutting
data for drills
|
| P Material |
HB
|
Condition |
D mm.
|
Feed mm./Rev.
|
Cutting speed |
| Unalloyed steel | 90-200 | Non-hardened 0,05-0,25%C |
17,5-25,4 |
0,04-0,08 0,06-0,10 0,08-0,12 0,08-0,12 |
100-250 |
| Unalloyed steel | 125-225 150-225 180-225 |
Non-hardened 0,25-0,55%C |
17,5-25,4 26,0-30,0 31,0-41,3 42,0-80,0 |
0,04-0,12 0,09-0,19 0,11-0,20 0,14-0,25 |
100-250 |
| Low alloyed steel | 150-260 | Non-hardened | 17,5-25,4 26,0-30,0 31,0-41,3 42,0-80,0 |
0,08-0,12 0,09-0,16 0,11-0,20 0,14-0,22 |
90-250 |
| Low alloyed steel | 220-400 | Hardened | 17,5-25,4 26,0-30,0 31,0-41,3 42,0-80,0 |
0,06-0,10 0,08-0,15 0,08-0,15 0,11-0,20 |
80-220 |
| High alloyed steel | 150-250 150-250 |
Annealed Annealed HSS |
17,5-25,4 26,0-30,0 31,0-41,3 42,0-80,0 |
0,08-0,12 0,09-0,18 0,11-0,22 0,14-0,25 |
100-220 |
| High alloyed steel | 250-350 250-400 |
Hardened tool steel Hardened steel |
17,5-25,4 26,0-30,0 31,0-41,3 42,0-80,0 |
0,08-0,12 0,09-0,15 0,11-0,17 0,12-0,20 |
90-200 |
| Stainless steel | 150-270 | Ferritic, Martensitic 13-25%Cr | 17,5-25,4 26,0-30,0 31,0-41,3 42,0-80,0 |
0,04-0,12 0,10-0,16 0,11-0,18 0,11-0,18 |
90-190 |
| Steel castings | 150-270 | Unalloyed | 17,5-25,4 26,0-30,0 31,0-41,3 42,0-80,0 |
0,05-0,08 0,06-0,10 0,09-0,15 0,11-0,18 |
100-230 |
| Steel castings | 90-225 | Low alloyed (alloying elements <5%) | 17,5-25,4 26,0-30,0 31,0-41,3 42,0-80,0 |
0,08-0,12 0,09-0,15 0,12-0,20 0,14-0,22 |
90-200 |
| M Material |
HB
|
Condition |
D mm.
|
Feed mm./Rev.
|
Cutting speed |
| Stainless steel | 150-250 | Austenitic Ni >8%, 18-25% Cr |
17,5-25,4 |
0,04-0,12 0,10-0,16 0,11-0,18 0,11-0,18 |
70-150 |
| K Material |
HB
|
Condition |
D mm.
|
Feed mm./Rev.
|
Cutting speed |
| Malleable cast iron | 110-145 | Ferritic (short chipping) |
17,5-25,4 |
0,11-0,18 0,14-0,22 0,17-0,27 0,18-0,30 |
90-200 |
| Malleable cast iron | 150-270 | Pearlitic (long chipping) |
17,5-25,4 |
0,09-0,15 0,11-0,19 0,12-0,20 0,14-0,22 |
80-180 |
| Grey cast iron | 150-220 | Low tensile strength |
17,5-25,4 |
0,09-0,15 0,14-0,22 0,15-0,25 0,18-0,30 |
80-180 |
| Grey cast iron | 200-330 | high tensile strength |
17,5-25,4 |
0,09-0,15 0,12-0,20 0,14-0,22 0,15-0,25 |
70-150 |
| Nodular cast iron | 125-230 | Ferritic |
17,5-25,4 |
0,09-0,15 0,14-0,22 0,15-0,25 0,17-0,28 |
80-180 |
| Nodular cast iron | 200-300 | FerriticPearlitic |
17,5-25,4 |
0,09-0,15 0,12-0,20 0,14-0,22 0,15-0,30 |
70-150 |
| Aluminium alloys | 75-150 40-100 70-125 |
Wrought, solution treated
& aged Cast Cast, solution treated & aged |
17,5-25,4 |
0,08-0,12 |
150-375 |
| Copper and copper alloys | 50-160 | Ferritic (short chipping) |
17,5-25,4 |
0,09-0,15 0,09-0,15 0,15-0,25 0,15-0,25 |
80-160 |