| 单词 | screw gear |
| 释义 | > as lemmasscrew gear screw gear n. (a) a gear in which a cog wheel engages with a helically ridged shaft or pin; (also) the shaft or pin of such a gear; = worm-gear n. at worm n. Compounds 1d(a); (b) a gear consisting of two cog wheels whose teeth are set at an angle to their axes of rotation. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > with endless screw screw gear1799 screw wheel1825 1799 Jrnl. Nat. Philos., Chem., & Arts Jan. 429 Those who have seen the screw gear of Ramsden's great dividing engine will also perceive, that I have done little more than distribute the parts of this tool in..the most simple and convenient manner. 1888 Eng. Mechanic & World of Sci. 4 May 207/1 Recognising the true character of these wheels аs belonging to the family of screw gears, let us pursue the subject on that basis. 1908 Westm. Gaz. 14 May 4/2 The commutator is driven by screw-gear from the magneto driving shaft. 1945 Fundamentals of Diesel Engines (U.S. Bureau Naval Personnel) viii. 46/2 Fig. 8–4b shows a drive by two pairs of helical or screw gears. 2001 Pop. Sci. July 67 An electric motor drives a screw gear to boost power more efficiently and effectively. < as lemmas |
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