lead screw

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lead screw

(ˈliːdˌskruː) or

leadscrew

n
(Mechanical Engineering) a threaded rod that drives the tool carriage in a lathe when screw cutting, etc
References in periodicals archive ?
As part of its continuous enhancement strategy, the company has invested in an automated leadscrew inspection machine at its production plant in Ireland to help ensure the necessary quality levels are delivered.
The machines which use either rack and pinion or leadscrew systems are typically built on the bed of an old long-bed lathe that has been reconditioned for use as a rifling machine.
Problems arising when a half nut is worn, and resultant failure to engage fully with a leadscrew, have been reported on the Graseby 3500 TCI pump (1).
The 801 Series Brushless DC VersaDrive leadscrew step
The design is based on Heason's PLA leadscrew actuators which feature extruded aluminium housing and a robust linear motion guide support bearing system in a compact modular package that allows XY and XYZ positioning systems to be designed and built quickly and effectively.
The "C" Series anti-backlash nuts or compression style anti-backlash nuts are designed to eliminate the clearance between the threads of the nut and the threads of the leadscrew.
Featuring a Teflon-coated leadscrew drive with a proprietary coupling system stage repeatability is better than 2 microns.
The complete machine is fully adjustable via leadscrew with digital reference counters and without changeparts, sot hat size changes can be achieved in under 15 minutes, and the option of automatic size change reduces this still further.
A 9-ram high torque drive belt drives a leadscrew in the elevation can mechanism.
A detailed catalog covers leadscrew assemblies, including acme leadscrews, advanced coatings, and technically advanced anti-backlash nuts.
The integration of a splined linear guide and leadscrew results in a torsionally stiff stage that can be operated in either a horizontal or vertical axis.
Previously optional CNC functions including inch/metric conversion, backlash compensation, leadscrew error compensation, and others aimed at improving machine productivity became standard.