A Treatise On the Metallurgy of Iron Containing Outlines of the History of Iron
The book A Treatise On the Metallurgy of Iron Containing Outlines of the History of Iron was written by author H Hilary Bauerman Here you can read free online of A Treatise On the Metallurgy of Iron Containing Outlines of the History of Iron book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Treatise On the Metallurgy of Iron Containing Outlines of the History of Iron a good or bad book?
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grooves diminishing regularly in size, or by a combina- tion of both methods. Fig. 32 is a generalised elevation of a single pair of rolls, with both angular and flat Fig. 32. Rolling mill. grooves, a combination which is not actually used in practice, but has been adopted here to avoid the employ- ment of a second figure. The journals or necks of the rolls run on brass bear- ings, which are supported in strong cast-iron frames or housings. In Fig. 32 one of these is shown in eleva- tion, and t...he other in front section. The motion is usually communicated by the lower roll, and transmitted to the upper one by a pair of spur-gearing wheels, which are placed either on the rolls themselves, as in the figure, or are carried by a special pair of housings. When two or more pairs of rolls are connected into FORGE AND MILL MACHINERY. 301 one system by couplings, and driven by the same motor, they are called a mill or train. The first pair of the train are generally known as the roughing rolls, and the following ones as the finishing rolls.
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