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Wire drawing is a metalworking process used to reduce the cross-section of a wire by pulling the wire through one or more dies. There are many applications for wire drawing, including electrical wiring, cables, tension-loaded structural components, springs, paper clips, spokes for wheels, and stringed musical instruments.
Rods and bars were either sold, or rods were used to make wires up to 0.0056 inches thin. The wire train started with nine 8 and 10-die tandem drawing machines, followed if desired by one 13-die machine, followed if desired by one of twenty up-to-16-dies machines for the finest wire. Intermediate anneals as necessary.
The Tréfileries et Laminoirs du Havre (TLH: Le Havre Wire-Drawing and Rolling Mills) was an enterprise based in Le Havre, France, that manufactured copper wire, other copper products and products of other metals including bronze and aluminum. It was founded to serve the rapidly growing market for electrical power transmission and for telegraph ...
The firm grew rapidly through the 1840s expanding its range to include flour machines and other agricultural products and by 1848 there were 80 employees. What propelled the firm to a different level was the development of the electric telegraph, which required huge quantities of wire. In 1850 the first undersea cable laid across Channel and ...
Drawing is a manufacturing process that uses tensile forces to elongate metal, glass, or plastic. As the material is drawn (pulled), it stretches and becomes thinner, achieving a desired shape and thickness. Drawing is classified into two types: sheet metal drawing and wire, bar, and tube drawing.
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