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Ball Screw/Lead Screw

A ball screw is a mechanical linear actuator that translates rotational motion to linear motion with little friction. A threaded shaft provides a helical raceway for ball bearings which act as a precision screw. As well as being able to apply or withstand high thrust loads, they can do so with minimum internal friction. They are made to close tolerances and are therefore suitable for use in situations in which high precision is necessary. The ball assembly acts as the nut while the threaded shaft is the screw. In contrast to conventional lead screws, ball screws tend to be rather bulky, due to the need to have a mechanism to re-circulate the balls.

 

 


Some of our Ball Screw/Lead Screw Sponsors include...


Nutec Components Inc

Producer of precision positioning systems with digital servo control, product line includes linear servo motor stages and tables.

PI (Physik Instrumente) L.P.

Physik Instrumente (PI) designs and manufactures precision motion control equipment, piezo motors, air bearing stages and hexapod parallel-kinematics.

Aerotech, Inc

Designer and manufacturer of high quality motion control, linear motion, positioning and robotic systems.

Steinmeyer Inc.

Steinmeyer has been manufacturing precision ground ball screws since 1965 in sizes from an incredibly tiny 3 mm up to 125 mm in diameter.

© Content credits: Some of this page uses material from en.wikipedia.org .