V2EX circular pitch

Circular Pitch

释义 Definition

圆周节距(圆周齿距):齿轮中,沿分度圆测得的相邻两齿对应点之间的弧长距离。常用来描述齿轮齿的疏密,与齿数和分度圆周长有关(常见关系:圆周节距 = 分度圆周长 ÷ 齿数)。

发音 Pronunciation (IPA)

/skjlr pt/

例句 Examples

The circular pitch of this gear is 5 millimeters.
这个齿轮的圆周节距是 5 毫米。

When designing a gear pair, matching circular pitch ensures the teeth mesh smoothly and reduces noise.
在设计一对啮合齿轮时,匹配圆周节距能确保齿轮平稳啮合并降低噪声。

词源 Etymology

circular 来自拉丁语 circularis(“圆形的、环形的”),pitch 在机械语境中可指“间距/节距”。合起来 circular pitch 字面意思就是“沿圆周方向测量的节距”,强调测量路径在分度圆上而不是直线距离。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Machinery’s Handbook(《机械工程师手册》)
  • Shigley’s Mechanical Engineering Design(《希格利机械工程设计》)
  • Fundamentals of Gear Design and Application(齿轮设计与应用基础类教材/专著常见标题)
  • ANSI/AGMA 齿轮相关标准文档(常用术语与定义来源之一)
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