Reamer | Hole not straight Suggestions: Hole was not drilled properly Leave more stock before reaming Confirm concentricity of reamer in holder Check part rigidity
Reamer | Hole diameter too small Suggestions: Leave more stock before reaming Reamer worn Check coolant flow and concentration Resharpen earlier
Reamer | Hole diameter too large Suggestions: Check part rigidity Verify speeds and feeds Confirm concentricity of reamer in holder Confirm diameter of reamer Check coolant flow and location
Drill | Hole too large Suggestions: Reduce feed rate Slow feed rate to start hole Increase RPMs Spot hole
Drill | Hole too small Suggestions: Increase feed rate Confirm coolant concentration Confirm drill diameter
