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lead screw

American  
[leed] / lid /

noun

  1. (on a lathe) a rotating horizontal screw for moving the tool carriage along the work at a constant rate.


lead screw British  
/ liːd /

noun

  1. a threaded rod that drives the tool carriage in a lathe when screw cutting, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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See Examples For:

Its lead screw, liberated from the child’s spinning top that inspired its designer, still works, sending the basket merrily whirring in its plastic bowl.

From Slate Jun. 20, 2022

WHY: The incline lead screw can shear off, causing the foot pedals to drop unexpectedly, resulting in a fall hazard to the user.

From Seattle Times Mar. 30, 2018

At the bottom of the scale are pitches of lead screw from 3 up to 20 threads per inch.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

The means of giving motion to the feed spindle and lead screw are as follows:—n, Fig.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

For fractional threads, however, instead of using the pitch of the lead screw for the numerator, we must reduce it to terms of the fraction it is required to cut.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

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