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

Example Sentences

If, on the other hand, no movement takes place, it is an indication that the pitch of the lead-screw is correct.

From Project Gutenberg

But suppose the pitch to be cut is 41⁄4, the pitch of the lead screw being 2.

From Project Gutenberg

The 24-tooth gear goes on the spindle stud and, the 40-tooth gear on the lead-screw.

From Project Gutenberg

As previously explained, lead-screw S is only used for feeding the carriage when cutting threads.

From Project Gutenberg

The carriage should not be disengaged from the lead-screw after starting the cut, the tool being returned by reversing the lathe.

From Project Gutenberg