trip hammer

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trip hammer

[′trip ‚ham·ər]
(mechanical engineering)
A large power hammer whose head is tripped and falls by cam or lever action.
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References in periodicals archive ?
"The Hercules of the axe-factory, the great and never-tiring wonder-worker, is the trip-hammer. This formidable engine consists of a head of iron weighing from 30 to 60 pounds, fitted to one end of a horizontal beam, which is also suspended towards the other end in a framework of solid timber, and, by means of machinery, made to play up and down, rapidly or slowly, at the will of the workmen.
Between the din of the trip-hammer sleet and the fabric over their faces, it sounded like they were arguing about ski masks and a Turkish pastry.
Among those marching to the battle were brothers Asa and Andrus Waters, flintlock musket makers, and Nathaniel Whitmore, who owned the first trip-hammer (used in blacksmithing and iron working).
Power for his first lathe, drill press and trip-hammer was supplied by a Model A, 4-cylinder engine connect to an overhead line shaft.
The effect was meant to be staccato, like a trip-hammer. This reviewer found it irritating.