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Machine Design

Ball screws for high-vacuum apps

Ball screws are designed for operation under high vacuum. Typical applications include actuators for use in aerospace, electron-beam inspection, lithography, synchrotron research, and nanotechnology.

The ball screws consist of stainless-steel components including shaft, ball nut body, ball deflectors, and balls. Depending on the application, the ball screw is provided with either vacuum-compatible grease or a dry lubricant coating such as tungsten disulfide or molybdenum disulfide. For certain applications, the ball nut can be supplied with silicon-nitride balls.

Steinmeyer Inc.
56 Middlesex Turnpike, Suite 200
Burlington, MA 01803
(781) 273-6220

© 2011 Penton Media, Inc.

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