From WITTENSTEIN, Inc. (formerly alpha gear drives)

The drive components of the simulator factor into the integrity of the entire system. This paper discusses the development of simulator technology and how Wittenstein's rotary motion components provide the most compact solution for distributed mission trainers.

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Products & Services
Rack and Pinion Drives
Rack and pinion drives use a rotational motor to affect linear motion via a rack and pinion combination. They are used frequently in long-travel applications, such as machine tool table positioning, that require high stiffness and accuracy.
Electric Rotary Actuators
Electric rotary actuators drive components rotationally via electromagnetic power. They typically have control and indexing capabilities.
Linear Slides and Linear Stages
Linear slides are simple linear motion devices composed of a stationary base and a moving carriage. Linear stages are slides with a drive mechanism that provide controlled, precise positioning along a linear axis.

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DSTI - Dynamic Sealing Technologies, Inc. - Rotary Union for In-orbital Satellite Refueling
NASA's final mission of space shuttle Atlantis transported a unique robotic satellite refueling system that integrates specialized rotary unions engineered by DSTI. (read more)
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