lead screw


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Related to lead screw: Ball screw

lead screw

[′lēd ‚skrü]
(mechanical engineering)
A threaded shaft used to convert rotation to longitudinal motion; in a lathe it moves the tool carriage when cutting threads; in a disk recorder it guides the cutter at a desired rate across the surface of an ungrooved disk.
References in periodicals archive ?
Therefore, the current study for the first time attempts to produce a robust, low cost device employing an active control system with a DC motor integrated with lead screw mechanism.
Then apply fresh WTR grease to the elevation lead screw.
Haydon Kerk has announced a new line of mini lead screw assemblies for use in demanding miniature applications, such as data storage drives, miniature pumps, microactuators, and laser/ optical focusing mechanisms.
The actuators use proprietary manufacturing processes which incorporate engineering thermoplastics in the rotor drive nut and a stainless steel acme lead screw.
Comptrol tension measurement, linear motion, and industrial automation and control systems include: tension transducers with load capacities from 4 to 35,000 MWF and up to 5VDC output direct from the transducer, ball screw and lead screw components and assemblies, linear actuators, rails, and slides.
RPT engineers combined a servo-powered mechanism with an anti-backlash, self-lubricating lead screw assembly to feed the required four lanes (two lanes in each of two case packers).
The company's line of machines includes multispindle drilling and tapping units and machines, single-spindle lead screw tapping machines, and production tapping equipment.
Combining a lead screw assembly with a linear encoder, Newall's ScrewCoder is an industry first.
Rotary motion is converted to linear movement with the travel per step determined by the pitch of the lead screw and step angle of the motor.
Once secured in place the object to be lifted is raised and lowered by the lead screw mechanism of the Mk3 Compac.
The Series 92200 DLA is a modified rotary stepper motor, with a rotor that includes an internally molded thread that mates to an externally threaded shaft or lead screw.