Show the e of ire tho the mauti manufacture facture of wire as now carried out may be briefly and coic concisely isely stated and consists in attenuating or reduction in section thin rods of the metal under manipulation by drawing them thein cold through holes in a draw plate usually mado made of hard hara steel the wiredraw wire draw ers bench is furnished with a horizontal cylinder driven by steam or other power on which the wire is wound after lea I 1 ing I 1 g the draw plate tho the holes in the draw plate are arranged in decreasing diameters and a fine wire may require some twenty or thirty drawings ero it it u reduced to the size desired much friction is generated in tho the pru pro cess ces s notwithstanding the use of lubricants and annealing is necessary to counteract tho brittleness produced in the wire where great ac claucy is i e the wire is drawn through rubies rubles s or other hard stones in the draw plate the speed of the drawing cylinder is increased as tho tile diameter of tho wire mire diminishes minis hes much contusion confusion has existed in regard to the tile r gauges of wires no fewer than fifty five different gauges an being gen mentioned by a recent writer of which forty five were for measuring and determining the size of wiro as mado made und sold within the united kingdom the whitworth garnge introduced in 1857 by sir joseph whitworth and the tile birmingham win wire gauge 11 W G r have been extensively employed in an imperial standard wire gauge became a law and constitutes the tile legal gauge of this country it ranges from front half an inch to one thou sanath of an inch in diameter chiun cham bora bers journal |