V2EX thrust bearing

Thrust Bearing

定义 Definition

止推轴承 / 推力轴承:一种用于承受轴向载荷(沿轴线方向的力)的轴承,使旋转部件在轴向受力时仍能平稳转动并减少摩擦与磨损。(也常与承受径向载荷的轴承配合使用。)

发音 Pronunciation

/θrst br/

例句 Examples

A thrust bearing supports axial loads in a rotating shaft.
止推轴承用于支撑旋转轴上的轴向载荷。

In the gearbox, the thrust bearing prevents excessive axial movement while maintaining low friction under heavy load.
在齿轮箱中,止推轴承在重载下以低摩擦工作,并防止轴发生过大的轴向窜动。

词源 Etymology

thrust 原意为“推、推力”,在工程语境中常指轴向推力bearing 来自“承载/支撑”的含义,机械中引申为“轴承”。合起来 thrust bearing 即“用于承受推力(轴向力)的轴承”。该术语随近代机械工业与轴承分类体系的发展而固定下来。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Machinery’s Handbook(《机械工程手册》)
  • Shigley’s Mechanical Engineering Design(《希格利机械工程设计》)
  • Marks’ Standard Handbook for Mechanical Engineers(《马克斯机械工程师标准手册》)
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