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lead screw

[ leed ]

noun

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


lead screw

/ 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
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Example Sentences

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

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

The screw-cutting lathe, which is provided with a lead screw, by means of which other screws may be cut.

These wheels are termed change wheels on account of their requiring to be changed for every varying pitch of thread to be cut, so that their relative diameters, or, what is the same thing, their relative number of teeth, shall be such as to give to the lead screw the speed of rotation per lathe revolution necessary to cut upon the work a thread or screw of the required pitch.

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

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lead poisoninglead sheet