. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . •® 4 m Fig. 324. — Housing far 28-inch Three-high Mill. (Harbord and Hall.). English Three-high Rail Mill. American Three-high Rail Mill. Fig. 325.— Rolls used in Three-high Rail Mills. (Harbord and Hall.) INFLUENCE OF DETAIL OF MANUFACTURE 441 each two of which are driven by a motor. They are arranged intandem, requiring no manipulation from stand to stand. Here, as elsewherethrough the plant, sufficient distance is left between successive sets of roll
. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . •® 4 m Fig. 324. — Housing far 28-inch Three-high Mill. (Harbord and Hall.). English Three-high Rail Mill. American Three-high Rail Mill. Fig. 325.— Rolls used in Three-high Rail Mills. (Harbord and Hall.) INFLUENCE OF DETAIL OF MANUFACTURE 441 each two of which are driven by a motor. They are arranged intandem, requiring no manipulation from stand to stand. Here, as elsewherethrough the plant, sufficient distance is left between successive sets of rolls toenable a quarter turn of the ingot or bloom to be made, so that it is workedequally on all sides. The first two mills are equipped with 42-inch rolls,enabling 20-inch by 24-inch ingots to be used. After passing these four millsthe ingot is sent to a 40-inch three-high blooming mill equipped with lifting
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Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913
