V2EX timing chain

Timing Chain

定义 Definition

正时链条:发动机内部用于同步曲轴与凸轮轴转动的金属链条,使气门开启/关闭与活塞运动保持正确时序。(也常与“正时皮带 timing belt”对比:链条更耐用但可能更吵、更重、成本更高。)

发音 Pronunciation (IPA)

/tam ten/

例句 Examples

The mechanic said the timing chain is worn.
技师说正时链条磨损了。

If the timing chain slips, the engine timing can be thrown off, causing poor performance or even serious damage.
如果正时链条打滑,发动机正时可能会错乱,导致动力变差,甚至造成严重损坏。

词源 Etymology

timing 来自动词 time(为……计时/安排时间),在机械语境中引申为“时序、正时”;chain 源自古法语 chaine,意为“链条”。合起来的 timing chain 字面就是“用于正时的链条”,指发动机配气机构中负责传递与保持时序的链传动部件。

相关词 Related Words

文学与著名作品 Literary Mentions

  • Automotive Technology: A Systems Approach(Jack Erjavec, Rob Thompson)在配气机构章节中讨论正时链条、张紧器与正时校准。
  • Bosch Automotive Handbook(博世《汽车工程手册》)在发动机与正时传动相关条目中提及 timing chain 及其设计与维护要点。
  • Haynes Repair Manual / Chilton Repair Manual(海恩斯/奇尔顿维修手册系列)多车型维修步骤中常出现 timing chain 的检查、更换与正时对齐说明。
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