Trouble Shooting
Problems
Solutions
Fracture
Reduce the feed rate
Reduce the depth of cut
Increase corner radius
Use tougher grade
Select a stronger chipbreaker
Flank wear
Reduce the cutting speed or feed rate
Select a more wear-resistant grade
Use more positive rake geometry
Increase corner radius
Crater wear
Reduce the cutting speed or feed rate
Use more positive rake geometry
Select a more wear-resistant grade
Increase corner radius
Thermal cracking
Reduce the cutting speed or feed rate
Remove coolant competely or Use tougher grade
Use more positive rake geometry
apply coolant correctly
Chipping
Increase the cutting speed
Reduce the feed rate
Select a stronger chipbreaker
Use tougher grade
Reduce the rake angle
Increase edge honing or select edge with chamfer
Notching
Reduce the feed rate
Select a more wear-resistant grade
Reduce the cutting speed
Use more positive rake geometry
Deformation
Reduce the cutting speed
Reduce the feed rate
Select a more wear-resistant grade
Apply coolant
Use stronger insert geometry
Use grade with better heat conductivity
Built-up edge
Reduce the cutting speed or feed rate
Select grade with low tendency
Use more positive rake geometry
Reduce honing edges