Aerotech's
ASR1000 series direct-drive rotary stage was designed to meet
the demanding needs of high-performance precision machining. The
low-inertia motor and high-accuracy encoder make it the ideal
combination of speed and accuracy.
Brushless Direct Drive
To maximize positioning performance, the ASR1000 series utilizes
Aerotech's brushless series of motors. Optimized for production
applications, the brushless direct-drive motor has the advantage
of no brushes to wear and no gear trains to maintain. The low-inertia
motor enables the ASR1000 to reach speeds and accelerations that
were previously unachievable with earlier generation direct-drive
devices or worm-driven stages. Designed for applications requiring
frequent direction changes, the ASR1000 offers low inertia and
zero backlash in a compact package.
Compact Packaging
The design of the ASR1000 series direct-drive rotary stage was
optimized to minimize stage weight. The resulting product - with
a net overall weight under 5 kg (10 lb) - is significantly lighter
than previous offerings. When used to replace an existing rotary
stage in a multiple-axis system, an increase in performance can
be expected for all positioning stages carrying the rotary stage.
Accurate Positioning
To maximize position and contour accuracy, the ASR1000 utilizes
a high-resolution shaft-mounted rotary encoder. When coupled with
Aerotech's MX series multipliers, final resolutions can be as
fine as 0.63 arc sec. The absence of gear trains and mechanical
couplings means no position errors caused by hysteresis, windup,
or backlash. Absolute repeatabilities of ±3 arc-seconds
are attainable.
The result is a production-worthy tool that offers higher throughput,
lower maintenance, superior final parts, and an outstanding return
on investment.
Flexible Options
A large aperture aids high-volume production by providing the
means for continuous product feedthrough. For applications requiring
a collet, several shaft options are available to easily interface
to existing machine designs.
Aerotech manufactures a wide range of matching drives and controls
to provide a fully integrated and optimized solution. Aerotech's
high-power brushless amplifiers are available in several convenient
packages and the controller options range from stand-alone indexers
to sophisticated PC-bus-based controllers with unmatched contouring
routines and system tools.
For more information, please contact
Aerotech, Inc., 101 Zeta Drive, Pittsburgh, PA 15238, Phone: 412-963-7470,
Fax: 412-963-7459, e-mail: sales@aerotech.com.
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