The unit of measure used to define this motion is then typically assigned to the ball nut as the product series. A 1.000 inch lead on an inch-series ball screw means that the load, as attached to a nut, will travel 1.000 inch with each revolution of the screw.Oct 25, 2017
How do you measure backlash on a ball screw?
The best way to measure axial backlash is to secure the screw from movement and axially push and pull on the ball nut while measuring its movement with a dial indicator. Backlash can also be measured by putting a dial indicator on the ball nut in the system and driving it 1 in.