mandrel

English

A variety of mandrels (sense 1)

Etymology

From French mandrin, probably from Vulgar Latin *mamphurinum , from Latin mamphur (“a bow drill”), ultimately from Oscan or Ancient Greek μαννοφόρον (mannophóron, “wearing a collar”), from μανά (maná, “collar”) φέρω (phérō, “to bear”); first element cognate with Latin monile (“collar”).

Pronunciation

• IPA^(key): /ˈmæn.dɹəl/

Noun

mandrel (plural mandrels)

1. A round object used as an aid for shaping a material, e.g. shaping or enlarging a ring, or bending or enlarging a pipe without creasing or kinking it.
   • 1945 January and February, A Former Pupil, “Some Memories of Crewe Works—III”, in Railway Magazine, page 13:

     The coil springs were manufactured by winding the heated steel strip direct out of the furnace on to a mandrel of the requisite size.

2. A tool or component of a tool that guides, grips or clamps something, such as a workpiece to be machined, a machining tool or a part while it is moved.
   • 1920, Lester Gray French, Machinery, volume 26, page 491:

     This socket forms the starting point of the piercing operation, enabling the mandrel to center itself on the work.

   • 1961, Robert Sprenkle, David Ledet, The Art of Oboe Playing, page 46:

     When inserted into the staple, the outside of the mandrel should fit the inside of the staple exactly.

Synonyms

The terms below need to be checked and allocated to the definitions (senses) of the headword above. Each term should appear in the sense for which it is appropriate. For synonyms and antonyms you may use the templates {{syn|en|...}} or {{ant|en|...}}.

• spindle, arbor

Coordinate terms

• chuck

Translations

object used as an aid for shaping a material

• Albanian: mandrinë f
• Bulgarian: дорник m (dornik)
• Finnish: taivutintela
• German: Dorn (de) m, Spreizdorn m, Aufweitdorn m, Drehstift m, Ringriegel m
• Italian: allargatubi m
• Maori: tokohuri
• Polish: trzpień m
• Portuguese: mandril (pt)
• Russian: опра́вка (ru) f (oprávka)
• Spanish: mandril (es) m

component that guides, grips or clamps

• Bulgarian: шпиндел (bg) m (špindel)
• Finnish: istukka (fi), kara (fi)
• German: Spindel (de) f, Dorn (de) m, Stützdorn m, Spanndorn m, Montagedorn m, Mandrell n, Drehstift m, Stiftdorn m, Scheibenträger m
• Polish: trzpień m

Verb

mandrel (third-person singular simple present mandrels, present participle mandreling or mandrelling, simple past and past participle mandreled or mandrelled)

1. (transitive) To shape with a mandrel.

References

• Beekes, Robert S. P. (2010) Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), with the assistance of Lucien van Beek, Leiden, Boston: Brill, →ISBN

Anagrams

• merland