A telescoping ball bar is a simple, but useful device that provides a quick and inexpensive way to characterize machine tool errors.
Imported from the CTE archive to seed discussion on MFGAxis.
Originally published on CTE: 2013-04-15
CTE source: https://ctemag.com/articles/measuring-machine-errors-ball-bar/
Legacy path: /articles/measuring-machine-errors-ball-bar