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  • Rotary Stages
Mar 2013
Aerotech Inc.Request Info
PITTSBURGH, March 18, 2013 — Aerotech Inc.’s AGR series motorized rotary stages provide greater speed, load capacity and long-term positioning performance than previous generations of worm-gear-drive stages.

The stages’ accuracy is to 20 arcsec, with 8-arcsec bidirectional repeatability, 30 rpm maximum speed and 360° continuous or optional limited travels. Tilt error motion is 10 arcsec, axial error motion is 5 µm, radial error motion is 10 µm, and maximum axial load is to 425 kg.

Apertures are available from 5- to 20-mm diameter, enabling applications requiring a through hole or accommodations to mount an optic, including articulation of beam polarizing lenses, through holes for cabling and/or air lines, or vision/camera/inspection applications.

Each stage has two high-precision angular contact bearings, with optimal spacing to provide good error motions coupled with high load capacities.

Options include brush, brushless and stepper motor selections as well as a direct encoder mounted to the stage shaft for repeatability and to eliminate hysteresis and backlash. Matching drives and controls are available for a single-source solution. Vacuum-compatible versions for use in pressures as low as 10–6 torr are available.


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A light-tight box that receives light from an object or scene and focuses it to form an image on a light-sensitive material or a detector. The camera generally contains a lens of variable aperture and a shutter of variable speed to precisely control the exposure. In an electronic imaging system, the camera does not use chemical means to store the image, but takes advantage of the sensitivity of various detectors to different bands of the electromagnetic spectrum. These sensors are transducers...
stepper motor
A positioning drive that rotates a fraction of a 360° turn when the motor coils are activated, resulting in linear or rotary motion. They are generally one of two types, either variable reluctance or permanent magnet; the characteristics are much the same. Also called stepping motors.
The processes in which luminous energy incident on the eye is perceived and evaluated.
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