A Treatise on Roll-turning for the Manufacture of IronD. Van Nostrand, 1869 - 96 páginas |
Dentro del libro
Resultados 1-5 de 22
Página 11
... shaping process . These passes are used immediately after the welding passes , and are often similar to them in form . The Gothic form is , however , the most useful , as it admits of a very heavy draw , as will be hereafter explained ...
... shaping process . These passes are used immediately after the welding passes , and are often similar to them in form . The Gothic form is , however , the most useful , as it admits of a very heavy draw , as will be hereafter explained ...
Página 13
... shaping passes are called the second roughing rolls , and those containing the rest of the shaping and the finishing passes are called the finishing rolls . These terms agree with those used in forging , viz . , the finishing or ...
... shaping passes are called the second roughing rolls , and those containing the rest of the shaping and the finishing passes are called the finishing rolls . These terms agree with those used in forging , viz . , the finishing or ...
Página 16
... shaping passes , a powerful draw must be employed , and , therefore , the widths of all the passes should be made proportionately greater , on account of their considerable width as related to their depth . For instance , the oval ...
... shaping passes , a powerful draw must be employed , and , therefore , the widths of all the passes should be made proportionately greater , on account of their considerable width as related to their depth . For instance , the oval ...
Página 28
... shaping as well as for finishing , it is best to construct the flat pass as closed , and to round off the angles , not only to avoid unequal cooling of the metal , but also to prevent the former of a subsequent pass from forming a fin ...
... shaping as well as for finishing , it is best to construct the flat pass as closed , and to round off the angles , not only to avoid unequal cooling of the metal , but also to prevent the former of a subsequent pass from forming a fin ...
Página 29
... shaping passes of large size , in the proportion of 5 : 4 , or , if the quality of the iron is good , as 4 : 3 or 3 : 2. The draw of smaller passes is quite different , and may become , at the last pass , for a bar which is only a few ...
... shaping passes of large size , in the proportion of 5 : 4 , or , if the quality of the iron is good , as 4 : 3 or 3 : 2. The draw of smaller passes is quite different , and may become , at the last pass , for a bar which is only a few ...
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
Pasajes populares
Página 23 - A TREATISE on the STEAM ENGINE, in its various Applications to Mines, Mills, Steam Navigation, Railways and Agriculture. By J. BOURNE, CE Eighth Edition; with Portrait, 37 Plates, and 546 Woodcuts, it o. 42s. CATECHISM of the STEAM ENGINE, in its various Applications to Mines, Mills, Steam Navigation, Railways, and Agriculture.
Página 19 - Levelling. A TREATISE on the PRINCIPLES and PRACTICE of LEVELLING ; showing its Application to Purposes of Railway and Civil Engineering, in the Construction of Roads ; with Mr. TELFORD'S Rules for the same. By FREDERICK W. SIMMS, FGS, M. Inst. CE Sixth Edition, very carefully revised, with the addition of Mr.
Página 4 - Treatise on Roll-Turning for the Manufacture of Iron. Translated and adapted by John B. Pearse, of the Pennsylvania Steel Works, with numerous engravings, woodcuts.
Página 19 - The text-book on levelling in most of our engineering schools and colleges."— Engineer. " The publishers have rendered a substantial service to the profession, especially to the younger members, by bringing out the present edition of Mr. Simms's useful work.
Página 6 - Metallurgy of Iron. A TREATISE ON THE METALLURGY OF IRON : containing Outlines of the History of Iron Manufacture, Methods of Assay, and Analyses of Iron Ores, Processes of Manufacture of Iron and Steel, &c. By H. BAUERMAN, FGS, Associate of the Royal School of Mines.
Página 35 - MANUAL OF SIGNALS, for the Use of Signal Officers in the Field, and for Military and Naval Students, Military Schools, etc. A new edition, enlarged and illustrated. By Brig.-Gen.
Página 37 - CLEVENGER (SR). A Treatise on the Method of Government Surveying as prescribed by the US Congress and Commissioner of the General Land Office, with complete Mathematical, Astronomical and Practical Instructions for the use of the United States Surveyors in the field.
Página 1 - The THEORY of STRAINS in GIRDERS and similar Structures, with Observations on the application of Theory to Practice, and Tables of the Strength and other Properties of Materials.
Página 26 - THE GEOLOGY OF PENNSYLVANIA: A Government Survey; with a General View of the Geology of the United States, Essays on the Coal-Formation and its Fossils, and a Description of the Coal-Fields of North America and Great Britain. By PROFESSOR HENRY" DARWIN ROGERS, FRS, FGS, Professor of Natural History in the University of Glasgow.