Wear of CBN inserts
1) Common wear form 1 of inserts
Wear of flank face Wear of rack face

Solution:
1. Reduce down the cutting speed
2. Increase feed rate
Face tipping breakage of inserts

Solution:
1.Increase feed rate
2. Reduce down the cutting speed
3)Common wear form 3 of inserts
Edge worn

Solution:
1. Use more bigger radius of tip
2. Select material with better toughness
3. Reduce down the cutting speed