riveting forge (rivetingforj)

A portable forge used in heating rivets. riveting-hammer (riv'et-ing-ham"ėr), п. A hammer with a long head, flat face, and narrow peen, used for swaging down rivets. See cuts under hammer and peen. A riveting-machine (riv'et-ing-ma-shēn"), n. power-machine for forcing hot rivets into position in metal-work and heading them. Such machines consist e entially of a die and anvil; and in typical forms of the machine the work to be riveted is supported over the anvil, the hot rivet is put in place in the hole, its end resting in a die-socket in the anvil, and the horizontal die advances, squeezes the rivet into place, and shapes both heads at the same time. Riveting-machines heavy work. In some the anvil and die are both movable and are operated by hydraulic power. Some recent machines are portable, and are suspended by chains from a crane, so that the machine can be brought to the work instead of carrying the work to the machine. A recent American machine employs an anvil and a riveting-hammer operated by compre ed air and delivering a series of rapid blows instead of a direct pre ure, and thus more nearly copies hand-work. Riveting-machines are sometimes called by special names, as the girder riveter, keel riveter, etc. are made in a great variety of forms