ball screw


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ball screw

[′bȯl ‚skrü]
(mechanical engineering)
An element used to convert rotation to longitudinal motion, consisting of a threaded rod linked to a threaded nut by ball bearings constrained to roll in the space formed by the threads, in order to reduce friction.
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NSK is targeting 1 billion yen in annual global sales of its super large, high-load drive ball screw series in 2018.
LEFS Slider Type - Ball Screw Drive, Inline Motor Sizes: 25, 32, 40
According to the contracts, Beaver will supply horizontal stabilizer ball screw assemblies for the Bombardier Global 7000 and Bombardier Global 8000 ultra-long-range jets.
The ECG-HD linear drive features two guide rails and is available with a toothed belt or a ball screw drive in three widths--125mm, 160mm and 220mm--giving stroke lengths of up to 5000mm for the toothed belt version and 2400mm for the ball screw option.
Gear beads, motors, encoders and controllers from Maxon's standard program are used to drive the spindles, which are available in a metric M6 spindle with a self-locking function or a 5-millimeter ball screw with no self-locking feature.
The actuator allows increased efficiency and greater reliability for shift-by-wire application by incorporating a ball screw technology that is more efficient and compact than conventional products.
Skytronics, established in 1956, specialises in the manufacturing, repair, overhaul and sales of aircraft ball screw and actuator assemblies and the transmissions that drive them.
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.
Ball screw driven system has DC-servo motors and closed-loop, noncontact linear encoding for [+ or -]0.
In a feed drive system, the ball screw plays an important role as a power transmission unit and a linear scale.