V2EX worm drive

Worm Drive

释义 Definition

蜗杆传动 / 蜗轮蜗杆传动:一种齿轮传动机构,由蜗杆(类似螺杆)蜗轮(类似齿轮)啮合,实现大减速比、改变传动方向(常为直角传动)。常用于需要大扭矩、低转速的场景;许多设计还具有一定的自锁特性(并非绝对,取决于摩擦与导程角等)。

发音 Pronunciation (IPA)

/wm drav/

例句 Examples

A worm drive is often used to reduce speed and increase torque.
蜗杆传动常用于降低转速并增大扭矩。

Because the conveyor needed a compact right-angle gearbox with high reduction, the engineer chose a worm drive despite its lower efficiency.
由于输送机需要紧凑的直角减速箱并实现高减速比,工程师尽管考虑到效率较低,仍选择了蜗杆传动。

词源 Etymology

worm”原意是“蠕虫”,在机械语境中引申为“蜗杆”,因为蜗杆的螺旋形状像虫体蠕动的形态;“drive”在工程中常指“传动装置/驱动机构”。合起来“worm drive”即“由蜗杆实现的传动机构”。

相关词 Related Words

文学与著作 Literary Works

  • Machinery’s Handbook(《机械工程师手册》):在齿轮与传动章节中讨论蜗杆传动的几何、效率与应用。
  • Shigley’s Mechanical Engineering Design(《希格利机械工程设计》):包含蜗杆传动的设计计算、受力与材料选择。
  • Marks’ Standard Handbook for Mechanical Engineers(《马克斯机械工程师标准手册》):在机械传动与减速机构相关章节中提及 worm drive 的典型用途与参数。
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