mandrel(redirected from pile core)
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man·drelor 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.]
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]
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|Noun||1.||mandrel - 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