Workpiece
- AlSiC
- Workpiece: D258x46mm
- Hole: D4x45.5mm Holes
- Depth-Diameter Ratio 11:1
Challenges
- Hard-brittle material, easy to break
- Poor tool life: <5 holes/tool
- Quality failure from severe hole exit edge flagging
- Long cycle time: 530s/hole
Benefits
- No burrs or flanging at hole edges
- Tool life improved by 9 times to 50 holes/tool
- Cycle time shortened by 51%, from 530s to 260s per hole