
80 80
| Vc = 100 m/min | 60 | Vc = 100 m/min | |
| 60 | f = 0.25 mm/rev | f = 0.25 mm/rev | |
| 40 | |||
| 40 |
| Vc = 70 m/min | 20 | Vc = 70 m/min | |
| 20 | f = 0.15 mm/rev | f = 0.15 mm/rev |
| 0 | 50 | 200 150 100 250 | 300 0 | 50 | 300 200 100Drill dia. (mm)150 250 |
| Drill dia. (mm) | |||||
| Vc = 100 m/min | 20 Vc = 100 m/min | ||||
| 20 | f = 0.25 mm/rev | ||||
| f = 0.25 mm/rev | 15 | ||||
| 15 | |||||
| 10 | 10 | Vc = 70 m/min | |||
| Vc = 70 m/min | 5 | f = 0.15 mm/rev | |||
| 5 | f = 0.15 mm/rev | ||||
| 0 | 40 30 20 10 50 | ||||
| 0 | 40 30 20 10 50 | Drill dia. (mm) | |||
| Drill dia. (mm) | |||||
| Feed force | Feed force | ||||
| 50 | |||||
| 50 | Vc = 100 m/min | ||||
| Vc = 100 m/min | 40 | f = 0.25 mm/rev | |||
| 40 | f = 0.25 mm/rev | ||||
| 30 | |||||
| 30 | |||||
| 20 | |||||
| 20 | Vc = 70 m/min | Vc = 70 m/min | |||
| f = 0.15 mm/rev | 10 | f = 0.15 mm/rev | |||
| 10 | |||||
| 0 | 50 | 300 100Drill dia. (mm)150 200 250 | |||
| 0 | 50 | 100Drill dia. (mm)150200 250 | 300 | ||
| 10 Vc = 100 m/min | |||||
| 10 Vc = 100 m/min | f = 0.25 mm/rev | ||||
| f = 0.25 mm/rev | |||||
| 5 | Vc = 70 m/min | ||||
| 5 | Vc = 70 m/min | f = 0.15 mm/rev | |||
| f = 0.15 mm/rev | |||||
| 0 | 40 30 20 10 50 | ||||
| 0 | 40 30 20 10 50 | Drill dia. (mm) |
Drill dia. (mm) Torque Torque 8
8 Vc = 100 m/min 6 f = 0.25 mm/rev
6 f = 0.25 mm/rev 4 4 Vc = 70 m/min 2
2 f = 0.15 mm/rev
| 0 | 50 | 100 | 150 | 200 | 250 | 300 |
| Drill dia. (mm) |
| 0 | 50 | 100 | 150 | 200 | 250 | 300 | ||
| Drill dia. (mm) | ||||||||
| 0.2 | Vc = 100 m/min |
| 0.2 | Vc = 100 m/min | f = 0.25 mm/rev | ||
| f = 0.25 mm/rev | ||||
| 0.1 | Vc = 70 m/min |
| 0.1 | Vc = 70 m/min | f = 0.15 mm/rev |
| f = 0.15 mm/rev |
0 10 20 30 40 50
| 0 | 10 | 20 | 30 | 40 | 50 | Drill dia. (mm) | |
| Drill dia. (mm) | |||||||
| Coolant pressure | |||||||
| Coolant pressure | |||||||
| 2 | 1MPa = 1.0 N/mm2 | 0.75 |
1Mpa ≈ 10 atm 0.5 1MPa = 1.0 N/mm2 1 1Mpa ≈ 10 atm
0.25
0 100 200 300 400 500 0 50 100 150 200
Drill dia. (mm) Drill dia. (mm) 8 1.5 6 1
4 2 0.5
| 10 0 20 | 30 | 50 40 60 | 70 | 0 10 | 20 | 30 40 | 60 50 70 | ||
| Drill dia. (mm) | Drill dia. (mm) | ||||||||
| Coolant volume | Coolant volume | ||||||||
| 2000 | 400 | ||||||||
| 1500 | 300 | ||||||||
| 1000 | 200 | ||||||||
| 500 | 100 | ||||||||
| 0 | 100 | 200 | 300 0 | 50 | 100 | 200 150 |
Drill dia. (mm) Drill dia. (mm) 200 100 150 100 50
50
0 10 20 30 40 50 0 10 20 30 40 50
Drill dia. (mm) Drill dia. (mm)