REAMING; EXCESSIVE REAMER WEAR OR BREAKAGE:
The following is a list of items to consider that may adversely affect reamer life or in some cases, damage the reamer.
Misalignment creates a bell mouth condition and premature wear.
Lack of chip space in the flutes.
Inconsistent material condition.
Dirt or burs in the holding collets or spindle.
Over or underfeeding/speeding.
Lack of proper lubrication.
Bottoming out in blind holes.
Leaving too little/too much stock to remove.
Poor hole quality.
Improper regrinding.
Careless handling of the reamer.
Reamer chatter.
Lack of rigidity of the set-up.
Wrong reamer design for the application.

The above information was provided by Greenfield Tap and Die and is intended as a general guide. Specific jobs may need to be modified because of varying conditions such as coolant, equipment, materials and job requirements. RUTLAND TOOL in no event shall be liable for any incidental or consequential damages due to the application of the tool tip above.