Sandvik Coromant Machining carbon fibre materials - Manual (Page 41)

Application example
Holemaking in CFRP/Ti stack
Facts and demands: •
- Carbon fibre and titanium stack
- Reduced burr on exit
- Good surface finish and dimensions
- Pneumatic power feed machine
Solutions •
- Sandvik Coromant - Precorp drill solution
- 86PT point geometry diameter 9.525mm
- CD10 diamond tipped drill
Cutting data •
- VC: 12m/min
- fn: 0.05mm/rev
Benefits: •
- Excellent hole quality with stable dimension
- Stable manufacturing with 90 hole tool life
CoroDrill 86PT
SANDVIK COROMANT USER’S GUIDE - COMPOSITE SOLUTIONS 41