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The Iron Age 1890-05-01: Vol 45

1890 Reed Business Information US

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‘THE TuHurRspDAy, May 1, 1890. IRON AGE Cylinder Boring and Facing Machine. At the Louisville shops of the Louis- ville & Nashville Railroad the machine we illustrate has been in practical operation for some time boring 20-inch cylinders, 83} inches long, counter bore 24 inches long, finishing them complete with flanges faced and turned in less than seven hours each; this is very rapid work when the composition of the metal for cylinders is considered, they are made of 2600 pounds of old car-wheels, chill and all, tempered with 800 pounds of No. 1 charcoal iron, making a very hard, close mixture. With or- dinary iron that is often used, the time can be reduced very materially. They do not use facing arms, but place a side tool in regular cutter-head and face off with that. The bed, housings and platen of the machine are very heavy and an 8-inch bar is used, same being driven by powerful gears 44-inch and 5-inch face, back-geared 36 to 1 and driven by a 5-inch belt on cones, the largest of which 1s 30 inches in with buckle-plate, making a tight floor, with the railroad tracks laid as ballast. This arrangement, it is said, obviates all noise and the danger of frightening horses sn th…

Citation

The Iron Age 1890-05-01: Vol 45. Reed Business Information US. 1890.