Brittle material processing
Alumina Processing
Workpiece to be processed
Tool image after machining
Work Details
Alumina 99.5% *Pre-processed shape is stepped
Use of tools
Special PCD Drills φ0.75
PCD Corner R End Mill DSR Series φ2.0xR0.1 6 Flutes
Processing content
Hole diameter φ0.75, depth 3mm, number of holes 225 / pocket range 12mm, groove width 2mm, depth 0.5mm
Machine used
FANUC ROBODRILL α-D14Mi B5 Plus
Cutting conditions
| No. | Process engineering | Revolution (min-1) | Feed (㎜/rev) | Depth of cut (mm) | Cutting oil | Machining Time (min) | Cutting length (m) |
|---|---|---|---|---|---|---|---|
| 1 | Pocket, groove | 10,000 | 100 | 0.025 | Water soluble | 80 | 7.9 |
| 2 | Drilling | 10,000 | 100 | 0.005 | Water soluble | 1,575 | - |
POINT
End milling section:
Surface roughness=Ra0.4377～0.6404/R=0.2027μm
Flatness=Wt0.2727～0.4628/R=0.1901μm
Drilling section:
φ dimension measured value=0.749～0.755/R=0.006μm
Depth wear value=3.003～2.949/R=0.054μm