| 单词 | worm gear |
| 释义 | worm gear in British English or wormgear (ˈwɜːmˌɡɪə) noun 1. a device consisting of a threaded shaft (worm) that mates with a gearwheel (worm wheel) so that rotary motion can be transferred between two shafts at right angles to each other 2. Also called: worm wheel a gearwheel driven by a threaded shaft or worm worm gear in American English1. a gear with teeth designed to mesh with the thread of a worm (sense 5) worm (sense 5d) 2. a mechanism consisting of this gear and a worm (sense 5) worm (sense 5d) worm gear in Mechanical Engineering (wɜrm gɪər) Word forms: (regular plural) worm gears noun (Mechanical engineering: Machinery and components) gearA worm gear is a device consisting of a threaded shaft (a worm) that mates with a gearwheel (theworm wheel), so that rotary motion can be transferred between two shafts at rightangles to each other. In worm gears, as the worm revolves, the wormwheel also revolves but the rotary motion is transmittedthrough a 90 degree angle. Worm gears are used to transmit motion or power between right-angled shafts when a high-ratioreduction is necessary. A worm gear is a device consisting of a threaded shaft that mates with a gearwheel, so that rotarymotion can be transferred between two shafts at right angles to each other. |
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