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
Drill | Tool life Suggestions: Lower speeds and feeds Check coolant flow and location Confirm concentricity of drill in holder Confirm coolant concentration
Drill | Excessive noise Suggestions: Check drill Check part rigiditiy Check for proper speeds and feeds
Drill | Long, stringy chips Suggestions: Increase feed rate Increase hone relief Constant feed rate Increase number of peck cycles
Drill | Heavy wear on corners Suggestions: Increase feed rate Check coolant flow and location Confirm concentricity of drill in holder Check part rigidity
Drill | Breakage Suggestions: Reduce feed rate Check your program-is ‘R’ clearing the part Check coolant flow and location Check part rigidity
Drill | Chipping on O.D. Suggestions: Reduce feed rate Confirm concentricity of drill in holder Check coolant flow and location Check part rigidity
Drill | Chipping on point Suggestions: Reduce feed rate Check part rigidity Constant feed rate Verify speeds and feeds Minimum drill overhang Reduce number of peck cycles
Troubleshooting for Reamers PROBLEM SUGGESTIONS Hole diameter too large Check part rigidity Verify speeds and feeds Confirm concentricity of reamer in holder Confirm diameter of reamer Check coolant flow and location Hole diameter too small Leave more stock before reaming Reamer worn Check coolant flow and concentration Resharpen earlier Hole not straight Hole was not […]
