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or man·dril  (măn′drəl)
1. A spindle or an axle used to secure or support material being machined or milled.
2. A metal rod or bar around which material, such as metal or glass, may be shaped.
3. A shaft on which a working tool is mounted, as in a dental drill.

[Possibly alteration of French mandrin, lathe, from Provençal mandre, axle, crank, from Old Provençal, beam of a balance, from Latin mamphur, bow-drill, perhaps from Oscan.]


(ˈmændrəl) or


1. (Mechanical Engineering) a spindle on which a workpiece is supported during machining operations
2. (Mechanical Engineering) a shaft or arbor on which a machining tool is mounted
3. (Mechanical Engineering) the driving spindle in the headstock of a lathe
4. (Tools) Brit a miner's pick
5. (Mining & Quarrying) Brit a miner's pick
[C16: perhaps related to French mandrin lathe]


or man•dril

(ˈmæn drəl)

1. a shaft or bar inserted into a piece of work to hold it during machining.
2. a spindle on which a circular saw or grinding wheel rotates.
3. the driving spindle in the headstock of a lathe.
[1655–65; probably from French mandrin]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mandrel - any of various rotating shafts that serve as axes for larger rotating partsmandrel - any of various rotating shafts that serve as axes for larger rotating parts
drive - (computer science) a device that writes data onto or reads data from a storage medium
rotating shaft, shaft - a revolving rod that transmits power or motion
References in periodicals archive ?
NVD tools use a machined mandrel in the shape of the part.
The hose is sealed as it is pulled over the mandrel.
Standard features include single- (+ winding) or twin-winding heads (+/- winding); independent, fully closed-loop control; online variable, pitch control; die and mandrel location for enhanced accuracy; impregnation system as standard; and fully guarded.
The Pneumatic Wedge Mandrel (PWM) is a new pipe-bending mandrel offered by CRC-Evans, which combines the advantages of pneumatic power with the versatility of a proven wedge-type design.
6 to 12 inches, with pencil tip (whitacre) siliconized with stylus and / or mandrel and introducer no.
Two water-based mandrel lubricants are said to be suitable for use with all hose compounds and constructions.
And by modifying tooling geometry in the die and mandrel, SIG claims to achieve higher bottle clarity and improved appearance.
Key statement: A bending device for thin-walled metal tubes (R), made of a straight tube guide (1), a core template (2), which is pivotable, having a connection strip (3), and a mandrel having a mandrel tip (4), which is flexible in the region of the core template (2), and a mandrel shaft (5), which adjoins the mandrel tip (4) and is rigidly connected and is axially fixed (1) in the tube guide.
It's made by pulling profiles of polypropylene and continuous glassfiber over a mandrel, then extruding a black PP cap layer on top.
Answer: The smallest diameter mandrel you can wrap a flex circuit around is driven mainly by the overall thickness of the circuit.
Screw the mandrel of the desired caliber into the neck-turning fixture so the threaded shoulder aft of the smooth stub is just visible.
Options include automatic battery chargers, an anti-telescoping attachment with padded outer diameter clamp, a spare mandrel holder and expanding mandrels from 3 to 12 inches.