Owner's manual

Application example
Holemaking in CFRP
Facts and demands:•
- Resin rich material
- Electrical or pneumatic versions
- Minimal delamination of bres
- Good surface nish and dimensions
- CNC machining centre
Solutions•
- CoroDrill 856 drill point, diameter 6.35mm
- N20C diamond coating
Cutting data•
- VC: 130m/min
- fn: 0.05mm/rev
Benets:•
- Excellent hole quality, minimal delamination
- 800 hole tool life
- Good hole production economy
CoroDrill 856
SANDVIK COROMANT USER’S GUIDE - COMPOSITE SOLUTIONS 39