End Mill | Wall not straight Suggestions: Decrease feed rate Decrease axial depth Use shorter tool or stub holder Use different style of end mill
End Mill | Chip packing Suggestions: Check coolant flow and location Decrease axial depth Adjust speeds and feeds Use different style of end mill
End Mill | Chip welding Suggestions: Verify speeds and feeds Check coolant flow and location Use different style of end mill
End Mill | Wear Suggestions: Speed too fast Too light of a feed Confirm concentricity of end mill in holder Verify speeds and feeds
End Mill | Tool life Suggestions: Work material harder than expected Verify speeds and feeds Recutting chips Too light of a cut Use different style of end mill
End Mill | Excessive noise Suggestions: Check part rigidity Verify speeds and feeds Too light of a cut Confirm concentricity of end mill in holder
End Mill | Burr Suggestions: Change end mill sooner / too much wear Verify speeds and feeds Increase spindle speed Decrease feed rate Use different style of end mill
End Mill | Part finish Suggestions: Confirm concentricity of end mill in holder Decrease feed rate Use different style of end mill Check coolant flow and location Check part rigidity
End Mill | Chattering Suggestions: Too light of a cut Leave more stock for finish pass Decrease axial depth Adjust speeds and feeds
End Mill | Breakage Suggestions: Decrease feed rate Decrease axial depth Use shorter tool or stub holder Resharpen earlier