Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 436
h is almost 100tons. Connected to this is thepiston-rod, of steel, 40 ft. longand 16 in. in diameter. At thebottom of the tup and keyedto it is the die-hammer. Thisis a large, square block of iron,faced with steel, and is thepiece which will strike themetal that is being forged.The piston-rod has a… … Fig. 2.—Bradley cushioned strap-hammer. The blow or stroke is cushioned by means of four rubber cushions, two of which are placedabove and two below the fulcrum bearing the helve. This fulcrum is made in the form of across-head, to which tlie head is pivoted; the cross-head being free to move up…
Mechanical engineering
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