This close-up of the ball contact in a profile projector shows a gothic arch. It consists of at least two radii slightly larger than the ball used, but offset so the raceway touches the ball on both ...

We’ve got mixed feelings about a new video from [AndysMachines] that details how he makes custom ball screws. On the one hand, there’s almost zero chance that we’ll ever have an opportunity to put ...

This file type includes high-resolution graphics and schematics when applicable. Lead screws are one of the most common linear-motion devices, thanks to their low cost and reliability. And recent ...