V2EX dwell angle

Dwell Angle

释义 Definition

dwell angle(停歇角/驻留角):在凸轮机构或旋转运动控制中,指从动件(如挺杆、从动轮)在一段角度范围内保持不动(既不升程也不回程)的那段凸轮转角/轴转角,通常以度(°)表示。

发音 Pronunciation (IPA)

/dwel l/

例句 Examples

The cam has a dwell angle of 30 degrees.
这个凸轮的停歇角是30度。

To reduce vibration, the designer increased the dwell angle so the follower could pause between the rise and return phases.
为减少振动,设计者增大了停歇角,让从动件能在升程与回程阶段之间短暂停留。

词源 Etymology

dwell 原意是“停留、居住”,来自古英语 dwellan(逐渐发展出“停留”之意);在机械语境中引申为“停歇、驻留”。
angle 来自拉丁语 angulus(角)。合起来 dwell angle 就是“停歇所对应的角度”。

相关词 Related Words

文学与著名作品 Literary / Notable Works

  • Design of Machinery(Robert L. Norton)
  • Theory of Machines and Mechanisms(Uicker, Pennock, Shigley)
  • Shigley’s Mechanical Engineering Design(Budynas & Nisbett)
  • Machinery’s Handbook(工业与机械工程常用手册)
  • Mechanisms and Mechanical Devices Sourcebook(Neil Sclater & Nicholas P. Chironis)
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