| 单词 | dead center |
| 释义 | dead center in American English1. the position of maximum (top dead center) or minimum (bottom dead center) extension of a crank and a connecting rod, in which both are in the same straight line 2. a nonrevolving center, as of a lathe spindle 3. the exact center dead center in Automotive Engineering (dɛd sɛntər) Word forms: (regular plural) dead centers noun (Automotive engineering: Vehicle components, Engine, transmission, and exhaust) bottom dead center, top dead centerThe dead center is the position of an engine's piston when it is at the very top or bottom of its stroke. The maximum travel of the piston between the two dead centers is the stroke. A small crank-throw reduces both the crankshaft turning-effort and the distance thepiston moves between the dead centers. A stationary sensor is provided in the region of one of the dead centers of the piston. dead center in Mechanical Engineering (dɛd sɛntər) or dead centre noun (Mechanical engineering: Machinery and components) Dead center is the exact top (top dead center) or bottom (bottom dead center) of the piston stroke in a reciprocating engine or pump. The cycle begins at top dead center, when the piston is furthest away from the crankshaft. A piston is at bottom dead center when it is at its lowest point. Dead center is the exact top or bottom of the piston stroke in a reciprocating engine or pump. Examples of 'dead center' in a sentence |
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