V2EX cylindricity

Cylindricity

定义 Definition

cylindricity(圆柱度):指一个零件表面接近“理想圆柱体”的程度,是机械加工与质量检验中常用的形状公差概念,用来描述圆柱面在整体上是否“圆、直、匀”。(该词也可更广义地指“圆柱形特征/圆柱性”,但最常见用法是公差与测量语境。)

发音 Pronunciation

/slndrsti/

例句 Examples

The inspector checked the cylindricity of the shaft.
检验员检查了轴的圆柱度。

To reduce vibration at high speed, the manufacturer tightened the cylindricity tolerance of the bearing seat, using a coordinate measuring machine to verify the surface error along the entire length.
为降低高速运转时的振动,制造商收紧了轴承座的圆柱度公差,并用三坐标测量机验证整个长度方向上的表面误差。

词源 Etymology

cylindric(圆柱形的,源自 cylinder)+ 名词后缀 -ity(表示“性质、状态”)构成,字面意思是“圆柱形的性质/程度”。在工程语境中逐渐固定为“圆柱度(形状公差)”。

相关词 Related Words

文学与作品 Literary Works

  • ASME Y14.5 Dimensioning and Tolerancing(工程制图与几何公差标准中常见该术语)
  • ISO GPS(Geometrical Product Specifications)相关标准(如形状公差体系文件中会使用“cylindricity”)
  • 《Machinery’s Handbook》(机械工程手册)(公差、测量与检验章节常出现该词)
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