A Treatise on Roll-turning for the Manufacture of IronD. Van Nostrand, 1869 - 96 páginas |
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Página 6
... greater . The arrangement of grooves and formers above described is , therefore , the usual one . We find , however , instances where the grooves are in the upper and the formers in the bottom roll , as shown by Figures 59 and 65 , on ...
... greater . The arrangement of grooves and formers above described is , therefore , the usual one . We find , however , instances where the grooves are in the upper and the formers in the bottom roll , as shown by Figures 59 and 65 , on ...
Página 13
... greater number of pairs . The passes are thus divided , not only to avoid too great a length between the necks , but also to get more room for the men by separating the pairs . Sometimes it is an object to be able to alter at will the ...
... greater number of pairs . The passes are thus divided , not only to avoid too great a length between the necks , but also to get more room for the men by separating the pairs . Sometimes it is an object to be able to alter at will the ...
Página 15
... greater as the draw is greater , the width of the pass remaining the same , and vice versa , the greater the width the less the side - pressure , the draw remaining the The side - pressure must be correctly proportioned to the draw or ...
... greater as the draw is greater , the width of the pass remaining the same , and vice versa , the greater the width the less the side - pressure , the draw remaining the The side - pressure must be correctly proportioned to the draw or ...
Página 16
... greater , on account of their considerable width as related to their depth . For instance , the oval passes are extensively used in reducing small sections . This relation between draw and side pressure is obvious , and , therefore ...
... greater , on account of their considerable width as related to their depth . For instance , the oval passes are extensively used in reducing small sections . This relation between draw and side pressure is obvious , and , therefore ...
Página 17
... greater than that of the other groove on the bottom roll . The upper surface of the bar is , therefore , lengthened or drawn out more than the under one , which causes a tendency in the bar to curl down toward the bottom roll 17.
... greater than that of the other groove on the bottom roll . The upper surface of the bar is , therefore , lengthened or drawn out more than the under one , which causes a tendency in the bar to curl down toward the bottom roll 17.
Otras ediciones - Ver todas
A Treatise on Roll-Turning for the Manufacture of Iron Peter Tunner,John Barnard Pearse Sin vista previa disponible - 2016 |
Términos y frases comunes
angle iron applied arcs arrangement AUSTRIAN INCHES beams body-fillets bottom roll Bridge Cannelure Carinthia closed passes Cloth collars construction contain corners cylinders described diamond passes drawing passes edge pass edition Engineer ENGLISH INCHES engravings equal fillet finishing passes finishing rolls fins flange flat bars flatting pass former Frantschach Gothic passes grooves guides heat heavy horizontal Hypsometry Illustrated inches wide J. P. WHITNEY JULIUS WEISBACH last pass latter length Leoben manufacture metal method necessary necks notches open passes oval passes pair of rolls passes in full PASSES.-These pile pitch line position puddle bar puddle rolls radius rails reduced roll-turning roughing passes roughing rolls round pass screws shaping passes shown in Fig side spike spindle steady rest Steam Steam Engine steel STRENGTH OF MATERIALS Styrian three high tion top roll train turned tyre U. S. Navy Upper Silesia vertical Water welding width wood-cuts ZERAH COLBURN
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