| 单词 | rack-and-pinion |
| 释义 | rack-and-pinion in British Englishnoun 1. a device for converting rotary into linear motion and vice versa, in which a gearwheel (the pinion) engages with a flat toothed bar (the rack) adjective 2. (of a type of steering gear in motor vehicles) having a track rod with a rack along part of its length that engages with a pinion attached to the steering column rack-and-pinion in American English (ˌrækənˈpɪnjən) adjective designating or of an automotive steering system having a rack1 (sense 5) and a pinion rack and pinion in Automotive Engineering (ræk ənd pɪnyən) Word forms: (regular plural) rack and pinions noun (Automotive engineering: Vehicle components, Brakes, steering, wheels, tires, and suspension) A rack and pinion is a type of steering gear in which a pinion on the end of the steering column engages with a horizontal rack (= flat-toothed bar.) COLLOCATIONS: ~ steering The speed-sensitive rack and pinion steering set-up was light and precise. Many small cars use a rack and pinion steering system in which the steering wheel and shaft are connected to a small piniongear. General handling of the car is good, and the rack and pinion steering is light and responsive. rack-and-pinion in Mechanical Engineering (ræk ənd pɪnyən) Word forms: (regular plural) rack-and-pinions noun (Mechanical engineering: Machinery and components) A rack-and-pinion is a device for changing rotary motion into linear motion, in which a gearwheel (the pinion) engages witha flat toothed bar (the rack). On a rack-and-pinion steering system, the end of the steering shaft has a pinion gear that meshes withthe rack. A rack-and-pinion gear system prevents a train from slipping backward when going up a steep hill. A rack-and-pinion is a device for changing rotary motion into linear motion, in which a gearwheel (thepinion) engages with a flat toothed bar (the rack). |
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