名詞 mandrel:

1. any of various rotating shafts that serve as axes for larger rotating parts
   同義詞：spindle, mandril, arbor

mandrel 或 man.dril

n.（名詞）
A spindle or an axle used to secure or support material being machined or milled.
緊軸：一根用于固定或支撐待切削或粉碎原料的新心軸或輪軸
A metal rod or bar around which material, such as metal or glass, may be shaped.
心棒：一根金屬桿或杠，將金屬或玻璃等材料纏繞其上，可以改變形狀
A shaft on which a working tool is mounted, as in a dental drill.
心軸：用于安裝工具的蕊棒，如牙鉆蕊棒

來源：
Possibly alteration of French mandrin [lathe]
可能為 法語 mandrin的變化 [車床]
from Provenôal mandre [axle, crank]
源自 普羅旺斯語 mandre [軸，曲柄]
from Old Provenôal [beam of a balance]
源自 古普羅旺斯語 [平衡桿]
from Latin mamphur [bow-drill]
源自 拉丁語 mamphur [變鉆]
[perhaps from Oscan]
[可能源于奧斯坎語]