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, ...

A Swiss screw machine is an automatic lathe that has a sliding headstock and a guide bushing. The sliding headstock contains a collet which clamps and holds the bar stock (typically 12-foot metal or ...

This video tests Leonardo Da Vinci’s screw-cutting machine as a way to make precise threads from scratch. It shows how difficult screws were to produce by hand, why accurate spacing became the central ...

Roy Underhill shows how to use an 1889 foot-driven metal working lathe. Make your own darn metal screws with this 1889 foot-powered lathe! Roy shows how to cut perfect threads, cones and tapers in ...

An early lathe for cutting screw threads, developed by Henry Maudslay (1771-1831). Maudslay's metal lathe could cut metal precisely into standard screw thread sizes, which was necessary for making ...

Swiss screw machines or automatics are turning machines that use computerized numerical control (CNC) to machine high precision components. Swiss screw machines have a sliding headstock, guide ...

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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Charles Vander Woerd, a ...

PrecisionPlus VP of Engineering, Mike P. Reader, with one of the company’s cam-actuated Swiss lathes. Precision Plus is not your typical machine shop. Founded as a cam-type Swiss screw machine shop 40 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Charles Vander Woerd, a ...