V2EX mandrel

Mandrel

Definition / 定义

mandrel(名词):心轴;芯棒;(用于支撑或成形的)芯模/轴芯。常见于车削、钻孔、弯管、卷制等工艺中,用来支撑工件内部作为成形的基准。(在不同工艺里也可指某些夹持/定位用的轴状工具。)

Pronunciation / 发音

/mn.drl/

Examples / 例句

The jeweler slid the ring onto a mandrel to check its size.
珠宝匠把戒指套在戒指心轴上来检查尺寸。

To prevent the thin tube from collapsing, the technician inserted a mandrel before bending it on the machine.
为了防止薄壁管在弯曲时塌陷,技术员在上机弯管前先插入一根芯棒

Etymology / 词源

mandrel 进入英语主要源自法语 mandrin(常指“夹头、心轴”一类的工具部件),后来在机械加工与金属加工语境中固定用来指用于支撑或成形的轴状芯具,含义逐渐专业化。

Related Words / 相关词

Literary & Notable Works / 文学与著作中的用例

  • Machinery’s Handbook(《机械师手册》):在车床工装、心轴/夹持与加工方法条目中常见。
  • ASM Handbook(《美国材料学会手册》):在金属成形、管材加工与制造工艺章节中常用该术语。
  • Tool and Manufacturing Engineers Handbook(《工具与制造工程师手册》):涉及工装设计、定位与成形时频繁出现。
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