V2EX bushing

Bushing

定义 Definition

bushing(名词):(机械)衬套/轴套,一种套在轴或孔内的圆筒形零件,用来减摩、定位、缓冲磨损,有时也起到绝缘密封作用。(不同领域也可指电气中的绝缘套管等用法。)

发音 Pronunciation

/b/

例句 Examples

The bushing is worn out and needs to be replaced.
这个衬套磨损了,需要更换。

After years of vibration, the motor’s shaft developed play because the bushing had degraded, so the technician installed a new bronze bushing and re-aligned the assembly.
多年振动后,由于衬套老化,电机轴出现了间隙;因此技师更换了新的青铜衬套,并重新校正了组件。

词源 Etymology

bushing 来自 bush(在机械语境中指“套筒/衬套”)+ -ing(表示“相关物/用途”)。机械义的 bush 一般认为与荷兰语 bus(“管、筒、容器”之意)有关,后来在英语工程语境中固定为“轴套、衬套”等含义。

相关词 Related Words

文学与著名作品 Literary Works

  • Machinery’s Handbook(《机械工程师手册》):在轴系、配合与耐磨件章节中频繁出现 bushing
  • Popular Mechanics(《大众机械》杂志):常用于面向大众的维修与改装文章(如汽车悬挂、家用设备维护)中。
  • SAE Technical Papers(SAE 汽车工程师学会论文集):在汽车悬挂、转向与 NVH(噪声振动舒适性)相关论文中常见 bushing(如“control arm bushing”等)。
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