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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 ?
In addition, the difference in the coefficients of thermal expansion (CTE) between the metal frame and the foam frequently results in distortion, cracking, or both in the mandrel surface when it is immersed in the electroforming solution.
Alpha] = Taper angle between die body and central mandrel.
A "clean" hole is punched by inserting the tube over a mandrel, and is fractured as a guided punch enters into a closely controlled clearance in the die cavity in the mandrel.
A bridge mandrel is similar to a thick sleeve in that it has a certain thickness to increase the repeat size.
The die's concentric mandrel design reduces die height by as much as 50% compared to conventional stack dies.
Tubular billets having the above dimensions were drawn over a [Phi] 80 mm expanding mandrel at 120 [degrees] C with and without cooling bath arrangements.
It can also be driven in either clockwise or counterclockwise directions with equal performance, thus accommodating a key specification that the mandrel rotate bi-directionally.
g] of these localized areas correlates with the matrix-dominated properties of a cyanate ester composite, a number of composite specimens were fabricated on a composite mandrel with the same processing conditions as those illustrated in Fig.
Mandrel Qty: 50 No 2)Support Qty: 16 No 3)Pressing Stud Qty: 2 St 4)Plate Qty: 2 No 5)Regulating Mandrel Qty: 25 No 6)Plate Qty: 2 No 7)Upper Umbrella Qty: 2 No 8)Compression Pad Qty: 84 No 9)Lower Umbrella Qty: 2 No 10)C-Clamp Qty: 24 No
Application-specific, proprietary formulated polyurethane mandrel sleeves, filler tings and filler plates are offered by the company.
The single rewind mandrel model is priced at $8,995(MSRP).