Cause
Common obstacle when full slotting – especially in long-chipping materials
- Insert corner damage
- Edge chipping and breakage
- Re-cutting of chips
Solution
- Improve chip evacuation by using rich and well directed cutting fluid or compressed air
- Reduce feed, fz
- Split deep cuts into several passes
- Try up-milling in deep slotting
- Use coarse pitch cutters
- Use CoroMill Plura and CoroMill 316 with two or maximum three cutting edges and/or a higher helix angle