Mini indexable center drill improved center hole drilling time
2mm insert type R form center drill improved
center hole drilling time dramatically!
The transfer line for machining shaft end:
Op. 1: face milling cutter to mill the both sides of shaft end.
Op. 2: drilling center hole by center drill.
Op. 3: drill hole.
| Cutting Tool | Spindle speed (rpm) |
Feed Rate (mm/min.) |
Cutting Time (seconds) |
| Nine9 i-Center I9MTR0200C8-NC2033 |
4000 | 200 | 1.35 |
| HSS center drill 2mm |
1500 | 30 | 9 |
