Question:What is causing an inconsistent radius after milling a circle or arc?
Answer: Mechanical lash in the machine or improper backlash compensation setting.
Solutions:

1. Adjust software lash if less than 0.001". See TB037 - measuring machine lash
2. Repair mechanical if lash is over 0.001". Contact your dealer.

    See TB036-Measuring Motor Rev / inch                     See TB037-Measuring Backlash