mandrel
Americannoun
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a shaft or bar the end of which is inserted into a workpiece to hold it during machining.
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a spindle on which a circular saw or grinding wheel rotates.
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the driving spindle in the headstock of a lathe.
noun
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a spindle on which a workpiece is supported during machining operations
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a shaft or arbor on which a machining tool is mounted
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the driving spindle in the headstock of a lathe
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a miner's pick
Etymology
Origin of mandrel
1510–20; perhaps akin to French mandrin
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The prop sits on a mandrel that supports it firmly.
From Time Magazine Archive
Then a mandrel in the center is pulled out, leaving a roughly star-shaped cavity on whose surface the fuel will start to burn when the rocket is fired.
From Time Magazine Archive
The small end of the mandrel is thus the standard of its size, and the wear of the collar gauge is in the same direction as that of the reamer.
From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua
At k is a cone mandrel such as has been described with reference to lathe work upon which is chucked a cross-head c.
From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua
As c must be removed from the arbor or mandrel every time the saw is changed, the wear on its thread is great, and in time it becomes loose, which impairs its accuracy.
From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
