Technology
Automatic Lathe Model
SUS304
MFD / Flat Drill
Work size : φ10 × 20 mm
Material : SUS304
Cutting Time : 3min11sec
Realized stable and high efficient drilling to inclined surface and side walls.
MFD drilling sample to various position of SUS304.
Tool
MFD
•Stable drilling is realized in various scenes such as inclined surface and curved surface.
•High efficient counter boring.
•Possible to reduce rear burr.
Cutting Condition
| Cutting Part | φ6 Blind hole | φ3 Through hole | φ2 Semicircular hole | |
| Cutting position | Cylinder end (flat) | Cylinder peripheral (curved) | From cylinder face (flat) | |
| Hole position | Work rotation center position | Central position | Eccentric position | Eccentric position |
| Tool | MFD φ6×12 | MFD φ3×6 | MFD φ2×4 | |
| Spindle speed (min-1) |
1,600 | 2,500 | 2,900 | |
| Feed （mm/min） |
80 | 40 | 35 | 15 |
| Feed per revolution (mm/rev) |
0.05 | 0.016 | 0.014 | 0.005 |
| Depth of cut (mm) |
12[2D] | MAX. 3[1D] | MAX. 6[2D] | 4[2D] |
| Coolant | Water-insoluble fluid | |||
| Cutting time | 9sec | 5 sec × 2 holes | 11 sec × 4 holes | 16 sec × 8 holes |
Comment
φ2 Semicircular hole
φ3 Through hole
φ6 Blind hole
The hole accuracy is H9 for all drilling, and through hole burr reduced in minimum.
φ2⇒ dia. 2.020 mm
φ3⇒ dia. 3.016 mm
φ6⇒ dia. 6.024 mm