Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 339
PUNCHINGMACHINE.—The tire is made fast by the cam jaws, and the mov-able cam is set forwardby the sector cam leverand pinion. A punch isattached to the movablejaw with a punch die inthe horn of the machine,so that the same opera-tion of upsetting a tiremay be used for punch-ing iron. 1370. Vertical…
Mechanical movements
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