Piercing the hair
- Successfully drilled 0.05 mm L=1.0 mm in human hair
- Research on painless needles to make needles out of hair
Joint research with Professor Yoshida, Toyo University
Features of Lathe-Type Micro Hole Drilling Machine
- Lathe type to machine a micro deep hole at the center of the shaft.
- Coaxiality, straightness and chip elimination
SUS304 φ0.03 t=0.2
Drill diameter 0.03mm, wavelength 0.6
| Processing conditions | |
|---|---|
| Torque limit | 0.05 |
| Sub-torque limit | 0.05 |
| Thrust limit | 10 |
| Sub-thrust limit | 10 |
| Spindle motor speed (min-1) | -1000 |
| Drill motor speed (min-1) | 3000 |
| Feed speed (mm/min) | 2 |
| Processing data | |
| Torque max. | 0.02 |
| Thrust max | 7 |
| The number of step back | 0 |
| Processing time (min) | 5.8 |
BK7 (BLUE PLATE GLASS)
Drill in use:
Mitsubishi Materials Kobe Tools
MSE0010SB φ0.1×1.2
| Processing conditions | |
|---|---|
| Sub-torque limit | 0.12 |
| Thrust limit | 100 |
| Sub-thrust limit | 80 |
| Spindle motor speed (min-1) | 2000 |
| Drill shaft motor speed (min-1) | 3000 |
| Processing depth | 1 |
| Feed speed (mm/min) | 5 |
| Processing data | |
| Torque max. | 0.12 |
| Thrust max | 40 |
| The number of step back | 0 |
| Processing time (minutes) | 3.8 |
Internal surface roughness
SK4 φ0.3 mm in depth 5 mm
RzDIN value 1.059μm
SUS304 φ0.3, depth 5mm
RzDIN value 1.841μm
