AGR series motorized rotary stages
offer significant improvements in speed, load capacity, and long-term positioning
performance versus previous generations of worm-gear-drive stages. The AGR stages
address a wide range of applications for general purpose positioning in laboratory
and industrial uses.
Innovative Gear Design
A unique preloading scheme avoids changing wear characteristics, allowing orders
of magnitude increase in stage life without any degradation in stage performance,
and allows stage operation over a wide temperature range.
The addition of a larger clear aperture
is a key enhancement over previous generations of worm-gear-driven stages. The
large aperture permits applications requiring a through-hole or accommodations
to mount an optic, including articulation of beam polarizing lenses, for cabling
and/or air lines, or for vision/camera/inspection applications.
Other Features
The AGR stage base is fabricated from a special aluminum alloy which offers
significant weight savings in multi-axis arrangements and other weight critical
applications, while providing high structural stiffness and long-term stability.
Each stage incorporates dual large-diameter pre-loaded angular contact bearings
optimally separated to provide excellent error motion specifications, as well
as the best possible load handling capability. All stage tabletops feature aluminum
hardcoat plating and stainless steel Heli-Coil® inserts
to prevent thread wear.
Flexible Options
Options include flexible motor selections as well as a direct encoder mounted
concentric to the axis of rotation for outstanding repeatability and to virtually
eliminate hysteresis and backlash. Vacuum-compatible (for use in pressures as
low as 10-6 torr) and other customized versions are also available.
Motor and Drives
Standard AGR stage configurations feature Aerotech’s brushless servomotors.
However, all AGR stages can be outfitted with stepper or DC brush motors. A
full range of matching Aerotech drives and award-winning controls are available
for a complete, single-source solution.
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