V2EX lead screw

Lead Screw

释义 Definition

丝杠 / 导螺杆:一种把旋转运动转化为直线运动的机械传动元件,常与螺母配合使用,用于机床进给、升降机构、夹紧装置、3D 打印机与各类线性执行器等。(在某些语境中也可泛指“传动螺杆”。)

发音 Pronunciation (IPA)

/lid skru/

例句 Examples

The lead screw moves the table forward.
丝杠把工作台向前推进。

By adjusting the motor speed, the lead screw drives the carriage with precise, repeatable linear motion.
通过调节电机转速,丝杠以精确且可重复的直线运动驱动滑台。

词源 Etymology

lead 在这里不是“铅”,而是源自“引导、带动、驱动”的含义;screw 来自表示“螺钉/螺旋”的词根。合起来指“用于带动(机构)前进的螺杆”,强调其将旋转“带出”直线位移的功能。

相关词 Related Words

文学作品用例 Literary Works

在传统文学作品中较少出现;更常见于工程与制造类写作与手册,例如:

  • Machinery’s Handbook(多处讨论丝杠/螺纹、螺距与传动计算)
  • Workshop Practice Series(机加工与车床进给机构中常提及 lead screw)
  • The Amateur’s Lathe(介绍车床结构与进给/螺纹切削时会提到 lead screw)
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