A Treatise on Roll-turning for the Manufacture of IronD. Van Nostrand, 1869 - 96 páginas |
Dentro del libro
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Página 49
... flange , and would have to be sawn off to make a beam both ends of which were of the proper form . The pile is , there- fore , arranged as above , in order to economize material . The hatched parts are , further , No. 2 iron , while the ...
... flange , and would have to be sawn off to make a beam both ends of which were of the proper form . The pile is , there- fore , arranged as above , in order to economize material . The hatched parts are , further , No. 2 iron , while the ...
Página 50
... flanges , a and b , are rolled separately , while a wide bar or plate , c , forms the web , the respective pieces being joined by the double channel bar , m . The flanges are FIG . 23 . α H m usually heavy deck beams ( T iron ) , of a ...
... flanges , a and b , are rolled separately , while a wide bar or plate , c , forms the web , the respective pieces being joined by the double channel bar , m . The flanges are FIG . 23 . α H m usually heavy deck beams ( T iron ) , of a ...
Página 51
... flanges also , to fill out the whole pass thoroughly with iron , and to use for the flanges a specially good iron , which has been reheated and rerolled , or , in other words , a No. 2 iron . d The permissible differences in draw depend ...
... flanges also , to fill out the whole pass thoroughly with iron , and to use for the flanges a specially good iron , which has been reheated and rerolled , or , in other words , a No. 2 iron . d The permissible differences in draw depend ...
Página 52
... flanges , these are drawn out rather more than any other part . The poorer the quality and the greater the hardness of the iron , the more nearly uniform must be the reduction of the different parts of the section . FIG . 25 . IK In the ...
... flanges , these are drawn out rather more than any other part . The poorer the quality and the greater the hardness of the iron , the more nearly uniform must be the reduction of the different parts of the section . FIG . 25 . IK In the ...
Página 53
... flange is less , in about the same proportion that its superficial area is greater than that of the narrower flange . By this means the unequal wear of the collars is very much lessened . The unequal draw or pressure might be ob- viated ...
... flange is less , in about the same proportion that its superficial area is greater than that of the narrower flange . By this means the unequal wear of the collars is very much lessened . The unequal draw or pressure might be ob- viated ...
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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