lead screw
[leed]
- (on a lathe) a rotating horizontal screw for moving the tool carriage along the work at a constant rate.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for lead screw
Historical Examples
The 24-tooth gear goes on the spindle stud and, the 40-tooth gear on the lead-screw.
Turning and BoringFranklin D. Jones
As previously explained, lead-screw S is only used for feeding the carriage when cutting threads.
Turning and BoringFranklin D. Jones
The carriage should not be disengaged from the lead-screw after starting the cut, the tool being returned by reversing the lathe.
Turning and BoringFranklin D. Jones
The dial, therefore, would enable the carriage to be engaged with the lead-screw at points equal to a travel of one-half inch.
Turning and BoringFranklin D. Jones
Suppose that nine threads to the inch are to be cut and the lead-screw has six threads per inch.
Turning and BoringFranklin D. Jones
lead screw
- a threaded rod that drives the tool carriage in a lathe when screw cutting, etc
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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