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American Protective Tariff League

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The Iron Age 1881-10-27: Vol 28 Iss 17

1881 Reed Business Information US

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rials. “ Dae Vol. XAXVITT: No. Steam Shears. The accompanying illustration represents a heavy shear built by Messrs. Breuer, Schumacher & Co., of Kalk, near Cologne. As will be seen from the engraving, the ma- chine is intended fcr the heavy work of steel makers and others who need the most powerful machinery of the kind. The gear- ing is placed in the center of a box frame well stiffened, at the sides of which the shears are located. At tlie side or end next the observer the engines are placed, the steam ecvlinders being at the bottom. The crank-shaft is common to both, and carries a very heavy fly-wheel; also the spur wheels by which the large gears are driven. The pillow blocks are carried by brackets on the side of the frame, to the bottom of which the castings forming the guides are bolted. The cranks are not of the disk pat- tern, but carry eccentric disks, which we judge are used to balance the weight of the cranks. The cylinders are 16 inches stroke and 12 inches bore. The bearings are of bronze and are@¥ inches long, thus giving avery good bearing surface. The eccentrics are placed just inside these bearings, and drive the valves through straight connecting rods and valve …

Citation

The Iron Age 1881-10-27: Vol 28 Iss 17. Reed Business Information US. 1881.