
SU series twist drills SU Spiralbohrer Serie ∙(External coolant / Externe Kühlung) 3D 5D
| Workpiece material Werkstück- stoff | Mild HB≤ Bau | steel 180 stahl | Carbo alloy ~30 Kohlens Leg. | n steel, steel HRC toffstahl Stahl | Pre-ha st ~40 Vergütet | rdened eel HRC er Stahl | Stainle Rostfre | ss steel ier Stahl | Cas Guss | t iron eisen | Nod cast G Kug phit | ular iron GG elgra- guss | Aluminu Alulegie | m alloy rungen | Heat r all Warm Legier | esistant oy feste ungen |
| Vc | 60~12 | 0m/min | 60~12 | 0m/min | 40~70 | m/min | 25~40 | m/min | 60~12 | 0m/min | 50~10 | 0m/min | 60~14 | 0m/min | 15~25 | m/min |
| Ø (mm) | n (min -1) | f (mm/r) | n (min -1) | f (mm/r) | n (min -1) | f (mm/r) | n (min -1) | f (mm/r) | n (min -1) | f (mm/r) | n (min -1) | f (mm/r) | n (min -1) | f (mm/r) | n (min -1) | f (mm/r) |
| 2 | 14000 | 0.06~ 0.08 | 14000 | 0.06~ 0.08 | 9500 | 0.06~ 0.08 | 5500 | 0.02~ 0.05 | 14000 | 0.06~ 0.08 | 11000 | 0.06~ 0.08 | 16000 | 0.06~ 0.08 | 3200 | 0.02~ 0.04 |
| 3 | 9500 | 0.09~ 0.12 | 9500 | 0.09~ 0.12 | 6300 | 0.09~ 0.12 | 3700 | 0.03~ 0.07 | 9500 | 0.09~ 0.12 | 7400 | 0.09~ 0.12 | 10600 | 0.09~ 0.12 | 2100 | 0.03~ 0.06 |
| 4 | 7000 | 0.10~ 0.15 | 7000 | 0.10~ 0.15 | 4700 | 0.10~ 0.15 | 2700 | 0.04~ 0.08 | 7000 | 0.10~ 0.15 | 5600 | 0.10~ 0.15 | 8000 | 0.10~ 0.15 | 1600 | 0.04~ 0.07 |
| 5 | 5700 | 0.12~ 0.18 | 5700 | 0.12~ 0.18 | 3800 | 0.12~ 0.18 | 2200 | 0.05~ 0.10 | 5700 | 0.12~ 0.18 | 4500 | 0.12~ 0.18 | 6400 | 0.12~ 0.18 | 1250 | 0.05~ 0.09 |
| 6 | 4700 | 0.14~ 0.20 | 4700 | 0.14~ 0.20 | 3100 | 0.14~ 0.20 | 1850 | 0.06~ 0.12 | 4700 | 0.14~ 0.20 | 3700 | 0.14~ 0.20 | 5300 | 0.14~ 0.20 | 1050 | 0.06~ 0.11 |
| 8 | 3600 | 0.16~ 0.24 | 3600 | 0.16~ 0.24 | 2400 | 0.16~ 0.24 | 1400 | 0.08~ 0.16 | 3600 | 0.16~ 0.24 | 2800 | 0.16~ 0.24 | 4000 | 0.16~ 0.24 | 800 | 0.08~ 0.14 |
| 10 | 2800 | 0.18~ 0.27 | 2800 | 0.18~ 0.27 | 1900 | 0.18~ 0.27 | 1100 | 0.10~ 0.18 | 2800 | 0.18~ 0.27 | 2200 | 0.18~ 0.27 | 3200 | 0.18~ 0.27 | 600 | 0.10~ 0.16 |
| 12 | 2400 | 0.20~ 0.30 | 2400 | 0.20~ 0.30 | 1600 | 0.20~ 0.30 | 930 | 0.12~ 0.20 | 2400 | 0.20~ 0.30 | 1900 | 0.20~ 0.30 | 2700 | 0.20~ 0.30 | 500 | 0.12~ 0.18 |
| 14 | 2100 | 0.22~ 0.35 | 2100 | 0.22~ 0.35 | 1400 | 0.22~ 0.35 | 800 | 0.13~ 0.22 | 2100 | 0.22~ 0.35 | 1600 | 0.22~ 0.35 | 2300 | 0.22~ 0.35 | 450 | 0.13~ 0.20 |
| 16 | 1800 | 0.25~ 0.36 | 1800 | 0.25~ 0.36 | 1200 | 0.25~ 0.36 | 700 | 0.14~ 0.25 | 1800 | 0.25~ 0.36 | 1400 | 0.25~ 0.36 | 2000 | 0.25~ 0.36 | 400 | 0.14~ 0.23 |
| 18 | 1600 | 0.28~ 0.38 | 1600 | 0.28~ 0.38 | 1100 | 0.28~ 0.38 | 620 | 0.15~ 0.28 | 1600 | 0.28~ 0.38 | 1200 | 0.28~ 0.38 | 1800 | 0.28~ 0.38 | 350 | 0.15~ 0.25 |
| 20 | 1400 | 0.30~ 0.40 | 1400 | 0.30~ 0.40 | 950 | 0.30~ 0.40 | 550 | 0.16~ 0.30 | 1400 | 0.30~ 0.40 | 1100 | 0.30~ 0.40 | 1600 | 0.30~ 0.40 | 320 | 0.16~ 0.28 |
mentioned above. If the cutting conditions remain stable, gradually increase the cutting speed and feed rate. 2. The cutting conditions above are for drilling with emulsion. 3. Use a collet without any defect or dust. The radial run-out of drill must be under 0.02mm. 4. These conditions above are for cutting depth under 5D.
Bearbeitung die Schnittdaten entsprechend erhöhen. 2. Die obigen Schnittdatenempfehlungen basieren auf dem Einsatz von Emulsion. 3. Keine defekte Werkzeugaufnahme wählen. Die Rundlaufgenauigkeit muss unter 0,02mm liegen. 4. Die obigen Schnittdaten sind für Bohrungstiefen unter 5xD ausgelegt.