A Treatise on Roll-turning for the Manufacture of IronD. Van Nostrand, 1869 - 96 páginas |
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Página 10
... pile may be powerfully compressed . Their surfaces are often roughened with the chisel , in order that they may take firm hold of the pile . The forms most gener- ally given them are the Gothic or flat , with 10.
... pile may be powerfully compressed . Their surfaces are often roughened with the chisel , in order that they may take firm hold of the pile . The forms most gener- ally given them are the Gothic or flat , with 10.
Página 11
... pile . 2. DRAWING PASSES . - In these the section of the pile is often not at all regarded , the main object being to reduce it as fast as possible . This character is especially marked in rolls for merchant bars . In rolls for rails ...
... pile . 2. DRAWING PASSES . - In these the section of the pile is often not at all regarded , the main object being to reduce it as fast as possible . This character is especially marked in rolls for merchant bars . In rolls for rails ...
Página 13
... pile or ingot . As we have stated above , the passes necessary to the production of any desired shape need not be confined to two rolls only . They are sometimes all turned on a single pair , but much more generally divided among three ...
... pile or ingot . As we have stated above , the passes necessary to the production of any desired shape need not be confined to two rolls only . They are sometimes all turned on a single pair , but much more generally divided among three ...
Página 15
... pile or bar to spread without contact . This is seldom the case , and hence the sides , in preventing further spreading , exercise a pressure opposed to the draw - pressure . Let us , therefore , call the former force the side ...
... pile or bar to spread without contact . This is seldom the case , and hence the sides , in preventing further spreading , exercise a pressure opposed to the draw - pressure . Let us , therefore , call the former force the side ...
Página 17
... pile , when the bottom or top ones are torn off and curled up . Now , if a bar , or a single slab of a pile happened so to curl up , it would natu- rally not only make the same worthless , but also be likely to break a roll , or ...
... pile , when the bottom or top ones are torn off and curled up . Now , if a bar , or a single slab of a pile happened so to curl up , it would natu- rally not only make the same worthless , but also be likely to break a roll , or ...
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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