Aerotech's AMG LP (Low Profile)
position and rate gimbal mounts provide ultra-precise angular position, rate,
and acceleration for development and production testing of a wide range of systems.
The AMG LP series is ideal for directing optics, lasers, antennas, and sensors
at high speed to precise pointing angles. Typical applications include missile
seeker test and calibration, electro-optical sensor and FLIR testing, optical
testing of sensors in a vacuum, and angular testing of inertial sensors such
as gyros, MEMS, and accelerometers. The finest quality motors, bearings, and
encoders are integrated into precision-machined housings to ensure peak performance.
Low Profile
By incorporating our low profile direct-drive rotary stages, the LP series is
capable of speeds and accelerations that are significantly higher than other
competing products of this size. These gimbals have a lower profile compared
to competing products within given torque ranges. This results in a smaller
and more effective gimbal for many applications where beam height and chamber
volume are of utmost concern. Customers with only limited azimuth travel requirements
can have the slip ring removed for an even lower overall height. Keeping the
optical path lower helps improve overall test accuracy. Based on the ADRS rotary
stage, the AMG LP provides a high accuracy, smooth motion solution with low
maintenance and high reliability.
Accurate 360°
Positioning and Rate Generation
Direct-drive brushless torque motors, with rare-earth magnets and high-accuracy
angular transducers, are coupled directly to precision shafts for accurate and
smooth 360° continuous motion. The absence of gear trains and other drive
mechanisms eliminates position error contributions due to mechanical hysteresis
and backlash. Directly coupled high-resolution position transducers ensure highly
accurate and repeatable positioning. Typical line gimbal resolution ranges from
0.87 to 0.32 µrad with Aerotech controls. A built-in azimuth slip ring
provides for continuous rotation with no cable wrap up.
Superior Mechanical
Design Features
High quality, low profile bearings maximize performance with respect to wobble,
moment stiffness, and rotating friction.
Mirror and Alternate Payload Accommodation
A variety of mirror cell diameters are available for standard optic applications.
We also provide custom payload attachment solutions for various device interfaces.
Each gimbal mirror cell can be modified or replaced with different shaped cells
to accommodate sensors or other odd shaped payloads. We understand customer
payloads vary and our engineers have a variety of solutions to implement payloads
with offset CGs.
Direct-Drive Motors
for Outstanding Control
To maximize positioning and velocity performance, AMG LP gimbal mounts utilize
Aerotechs high torque S-series brushless, slotless servomotors. These
motors have all of the advantages of a brushless direct-drive motor
no brushes to wear, no gear trains to maintain, high acceleration, and high
speeds. Since it is a slotless, ironless design, there is zero cogging, meaning
there is very little torque ripple. This results in smoother motion throughout
travel and more precise positioning. These motors are available in different
winding configurations to work with high- or low-voltage power supplies.
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