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Modern metal lathe A watchmaker using a lathe to prepare a component cut from copper for a watch. A lathe (/ l eɪ ð /) is a machine tool that rotates a workpiece about an axis of rotation to perform various operations such as cutting, sanding, knurling, drilling, deformation, facing, threading and turning, with tools that are applied to the workpiece to create an object with symmetry about ...
In 1718 Nartov invented what might have been the first lathe with a mechanical cutting tool-supporting carriage and a set of gears. [3] In 1718-1719 Nartov travelled to England and France and demonstrated his lathes. In his letters to Peter I, Nartov wrote that nowhere in Europe could he find lathe masters comparable to Russian ones.
A disc cutting lathe is a device used to transfer an audio signal to the modulated spiral groove of a blank master disc for the production of phonograph records. Disc cutting lathes were also used to produce broadcast transcription discs and for direct-to-disc recording.
The Hermitage Museum, Russia, displays the Nartov's copying lathe used for ornamental turning: making medals and guilloche patterns designed by Nartov in 1721. [2] Nartov's lathe duplicated the pattern from a template to a blank, cutting to the preset scale. A probe traced the template and the cutter cut accordingly.
South Bend Lathe is a brand of machine tools. Today's South Bend Lathe corporation is the successor to the original South Bend Lathe Works , an American machine tool builder that for many decades was one of the most important builders [ citation needed ] of metalworking lathes in the U.S. and in the world.
An 18th century new development for lathes was the idea of screw-cutting. On 18th century innovation in lathe was the use of a "master screw" in the thread-cutting machine, which seems to have been of French origin. Perrigo explained that "in this lathe there was an arbor upon which threads of different pitches had been cut.
Unlike ordinary vinyl records, which are quickly formed from lumps of plastic by a mass-production molding process, a lacquer master or acetate (instantaneous record) is created by using a recording lathe to cut an audio-signal-modulated groove into its surface – a sequential operation requiring expensive, delicate equipment and expert skill ...
As early as 1568, a separate flywheel powered a lathe via a drive belt. [8] A master would cut the wood while an apprentice turned the crank on a huge wheel, often several feet in diameter. This was a continuous revolution lathe, which led to adaptation to external power sources such as water, steam, and electricity.
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