单词 | tilt-hammer |
释义 | tilt-hammern. A heavy hammer used in forging, fixed on a pivot and acted upon by a cam-wheel or an eccentric, which alternately tilts it up and allows it to drop. ΘΚΠ society > occupation and work > equipment > metalworking equipment > [noun] > forging equipment > forge-hammer tilt-hammer1773 trip-hammer1781 forge-hammer1815 skelper1831 tilt1831 oliver1846 set-hammer1855 helve-hammer1858 striker1869 belly-helve1881 society > occupation and work > equipment > driving or beating tools > [noun] > hammer > mechanical and power hammers > types of tilt-hammer1773 trip-hammer1781 tilt1831 Nasmyth1845 oliver1846 helve-hammer1858 striker1869 belly-helve1881 chipping hammer1988 1773 Gentleman's Mag. Oct. 513/2 Any plating forge to work with a tilt-hammer. 1825 ‘J. Nicholson’ Operative Mechanic 345 The tilt-hammer used..weighs about 100 pounds, and makes 130 strokes per minute. 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 Tilt-hammer, a hammer for shingling or forging iron, arranged as a lever of the first or third order, and ‘tilted’ or ‘tripped’ by means of a cam or cog-gearing, and allowed to fall upon the billet, bloom, or bar. 1894 Harper's Mag. Jan. 422 Before James Nasmyth's great invention of the steam hammer, trip or tilt and helve hammers had been the forging tools. This entry has not yet been fully updated (first published 1912; most recently modified version published online June 2019). < n.1773 |
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