Screw machines are specialized automated metalworking lathes that were first developed in Switzerland during the late 1800s to produce large numbers of identical parts such as screws. At that time, ...

Lesson that teaches children what screws are and what they do. Gain a deeper understanding of what screws are by making your own in this interactive lesson. Usage conditions apply ...

A few simple tips for maintaining accurate, reliable ball screws. It's relatively simple to determine the lead accuracy of a ball screw before you buy it. Just ask the manufacturer and get a protocol.

Determining the service or useful life of screw actuators – lead (acme), ball, and roller screws is a fundamental problem that faces many motion-system designers. In a broad sense, a screw’s service ...