mandrel
mandrel — 名詞
1. a thin rod, often slightly tapered, that you slide into the hole of a part so th
車床芯軸
插入工件孔中以便加工的細長軸
a thin rod, often slightly tapered, that you slide into the hole of a part so the part can be turned on a lathe without wobbling.
Esteban pushed a tapered mandrel into the brass ring before mounting it on the lathe.
Esteban 將一根錐形芯軸推入黃銅環中，然後把它裝上車床。
verb + mandrel + into + workpiece
Gabriel wiped the mandrel clean with a cotton rag before clamping a new gear blank in place.
Gabriel 用一塊棉布把芯軸擦乾淨，然後再夾上新的齒輪坯料。
Christopher noticed the mandrel was slightly bent, so the finished steel pin spun off-centre on the lathe.
Christopher 注意到芯軸有點彎，因此車床上加工出來的鋼栓轉起來偏離中心。
Sora chose a smaller mandrel so that the bronze sleeve would grip it tightly during turning.
Sora 選了一根較小的芯軸，讓青銅套筒在車削時能緊緊夾住它。
文法句型
mandrel + into / through + workpiece
用法筆記
Subject is usually a machinist or the part itself; almost always paired with a lathe, drill press, or similar rotating tool.
常見錯誤
2. a solid rod or form that you wrap, bend, mold, or hammer material around so the
成型芯模
材料圍繞其外側成形的核心棒
a solid rod or form that you wrap, bend, mold, or hammer material around so the material takes the rod's shape.
Vikram heated the copper tube and bent it slowly around a steel mandrel to form a smooth curve.
Vikram 把銅管加熱後，慢慢沿著一根鋼製芯模彎折，做出平滑的弧度。
around + mandrel for bending
The glassblower rolled the hot glass over a thin mandrel to create a hollow bead.
玻璃工匠把熔化的玻璃捲在一根細芯模上，做出一顆中空的玻璃珠。
over + mandrel for shaping hollow forms
Workers wind layers of carbon fibre around the mandrel to build up the rocket body.
工人在芯模外層層纏繞碳纖維，逐步堆出火箭的本體。
After the resin hardens, Ayana slides the finished part off the mandrel in one clean piece.
樹脂固化後，Ayana 把成型的零件從芯模上完整地滑下來。
文法句型
over / around + mandrel
用法筆記
Distinguish from sense 1: here the mandrel gives shape to material formed around it; in sense 1 it merely supports an already-shaped part during cutting.
常見錯誤
3. the central shaft of a rotating tool, like a circular saw or a dentist's grinder
刀軸；夾頭軸
固定切削刀片的旋轉中心軸
the central shaft of a rotating tool, like a circular saw or a dentist's grinder, on which the cutting disc is fixed.
Owen replaced the worn mandrel on the bench saw before fitting a fresh blade.
Owen 在裝上新刀片之前，把桌鋸上磨損的刀軸換掉。
Élise locked the dental burr onto a tiny mandrel that spins at very high speed inside the handpiece.
Élise 把牙科鑽頭鎖在手機內一根高速旋轉的小刀軸上。
subject + lock + tool + onto + mandrel
Apinya checked that the mandrel was tight before pressing the grinder against the metal.
Apinya 先確認刀軸已鎖緊，才把砂輪機壓在金屬上。
Ari dropped the angle grinder once, and now the bent mandrel makes the cutting disc wobble.
Ari 有一次把角磨機摔到地上，現在彎掉的刀軸讓切割片裝上去會晃。
文法句型
mandrel + of + tool
用法筆記
Subject is usually a tool name (saw, grinder, drill). Different from sense 1: this mandrel belongs to the tool itself, not to the workpiece being shaped.
常見錯誤
4. any rotating bar that acts as the line of turning for a larger spinning part, su
捲軸；轉軸
支撐捲盤或轉筒旋轉的中心軸
any rotating bar that acts as the line of turning for a larger spinning part, such as a winding drum or a reel.
The film reel turns on a thin mandrel powered by a small motor at the back of the projector.
膠片捲盤靠投影機後方一個小馬達帶動的細捲軸轉動。
Defne loaded the empty spool onto the mandrel and watched the cable wind smoothly onto it.
Defne 把空線軸裝到捲軸上，看著纜線順順地捲了上去。
load + spool + onto + mandrel
Inside the printer, the paper roll rotates around a long plastic mandrel.
在印表機內部，紙卷繞著一根長長的塑膠轉軸旋轉。
When the heavy cable drum began to wobble, Alessia tightened the loose mandrel with a long wrench.
沉重的纜線鼓開始晃動時，Alessia 拿長板手把鬆掉的轉軸鎖緊。
文法句型
mandrel + of + larger machine
用法筆記
Subject is typically a reel, drum, spool, or roll that turns around the mandrel. Use this sense when the mandrel is mainly an axis of rotation rather than a part-holding spindle (sense 1) or a shaping core (sense 2).