| 单词 | face wheel |
| 释义 | > as lemmasface wheel face wheel n. Engineering (a) a gearwheel with face cogwheels; = contrate wheel at contrate adj. 2; (b) a grinding wheel where the grinding is done by the face of the wheel rather than the rim. ΚΠ 1779 A. M. Bailey W. Bailey's Advancem. Arts, Manuf., & Commerce II. i. 2 The Lever, by which it is discharged from the horizontal Crown-face-wheel.] 1817 Times 25 Apr. 1/5 (advt.) A tobacco engine, with a horse, face-wheel, and gears to ditto. 1897 A. A. Hopkins Magic ii. iv. 247 Upon the bottom of the box rests a copper face wheel..having, say, eight teeth. 1935 A. Wolf et al. Hist. Sci., Technol. & Philos. in 16th & 17th Cent. 534 A bronze friction roller, operated by a series of cams projecting from the upper surface of a horizontal face wheel. 1940 F. D. Jones Machine Shop Training Course II. 361 For grinding holes in which keyways are cut, a narrow face wheel cannot be used with success. 1994 W. U. Ahmed in S. M. DeHayes & D. Stark Petrogr. Cementitious Materials i. 9 The thin section..is removed from the thin sectioning machine and is ground on a glass face wheel. < as lemmas |
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