| 单词 | magnetic chuck |
| 释义 | > as lemmasmagnetic chuck 4. A contrivance for holding work in a lathe, screwing machine, or drilling machine, while being operated upon: an instrument screwed into the nose of the mandrel of a lathe by which the work is held, while being turned; formerly chock n.1 magnetic chuck, a chuck operating by magnetism. ΘΚΠ society > occupation and work > equipment > machine tool > lathe > [noun] > part holding work mandrel1664 chock1665 pike1680 centre plate1717 carrier1733 chuck1806 screw chuck1827 grip-knob1833 faceplate1837 surface chuck1842 jaw-chuck1874 turning-carrier1877 screw worm chuck1881 steady1885 roller steady1911 1680 J. Moxon Mech. Exercises I. xi. 200 Sockets, or Chocks, belonging to the Screw-Mandrel. 1794 D. Steel Elements & Pract. Rigging & Seamanship I. 150 Chocks, cylindrical pieces of wood or iron, screw-cut at one end, to screw into the end of a mandrel. 1806 O. G. Gregory Treat. Mech. II. 472 On the end of the spindle..is screwed occasionally an universal Chuck for holding any kind of work which is to be turned. 1815 J. Smith Panorama Sci. & Art I. 60 The work..is fastened to a wooden chuck by cement, or by glue, or screwed into it. 1879 J. J. Holtzapffel Turning & Mech. Manip. IV. 185 Lathe chucks may..be divided into two principal groups. 1879 J. J. Holtzapffel Turning & Mech. Manip. IV. 196 Motion is transmitted by the contact of an arm or pin, the driver, on the chuck. 1909 in Cent. Dict. Suppl. 1922 R. Glazebrook Dict. Appl. Physics II. 323/1 Recently, magnetic chucks have come much into use in connection with shaping machines, lathes and other workshop machines. 1958 Van Nostrand's Sci. Encycl. (ed. 3) 344/2 Magnetic chucks of both the electrically-actuated and the permanent-magnet type may also be employed on the lathe. < as lemmas |
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