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, ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Read this application story to discover how completely dry-running lead screw assemblies were used in the thumb of a prosthetic hand design. This grease-free solution provides a precise and powerful ...