The Viaduct Works' Handbook
Forfatter: Henry N. Maynard
År: 1868
Forlag: E. And F. N. Spon
Sted: London
Sider: 108
UDK: 624.3
Being A Collection Of Examples From Actual Practice Of Viaducts, Bridges, Roofs, And Other Structures In Iron; Together With Tables Of Prices, Weights, And Other Information Useful To Engineers In Design And Estimating Wrought And Cast-Iron Work
Søgning i bogen
Den bedste måde at søge i bogen er ved at downloade PDF'en og søge i den.
Derved får du fremhævet ordene visuelt direkte på billedet af siden.
Digitaliseret bog
Bogens tekst er maskinlæst, så der kan være en del fejl og mangler.
96
number of anvils. It is adapted to working by steam, compressed
air, or water pressure, and its fixings and connections are simple.
The smith can regulate the force or rapidity of the blows by means
of a valve worked by his foot, the treadle of which is even with the
floor. The striker is supported upon a hydraulic ram, and thereby
elevated or lowered, and the steam and exhaust may either be sup-
plied through the bottom or by pipes from above. Fig. 3 shows the
striker in a position for striking horizontal blows for upsetting;
and Fig. 4 shows, in plan, the arrangement of anvils, swage
blocks, &c.
Amongst the advantages of this machine over ordinary steam
hammers may be mentioned :—The cost of all kinds of swages
is reduced to a minimum, because the hammer can be readily adapted
to any angle or height of swage.—As the striker can be turned round
in a horizontal plane, the swages can remain in their places arranged