Aerotech ANT20G Series, Hardware Manual

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ANT20G Hardware Manual Overview
1.3. Basic Specifications
N O T E : Aerotech continually improves its product offerings; listed options may be superseded at any
time. All drawings and illustrations are for reference only and were complete and accurate as of this
manual’s release. Refer to www.aerotech.com for the most up-to-date information.
Resolution is dependent on encoder resolution and controller interpolation.
Table 1-3: ANT20G Series Specifications (-050 and -090)
Model -050 -090
Rotation Angle 20° 20°
Accuracy
(1)
±90 µrad (±18 arc sec) ±50 µrad (±10 arc sec)
Resolution (Minimum Incremental Motion) 0.25 µrad (0.05 arc sec) 0.25 µrad (0.05 arc sec)
Bidirectional Repeatability
(1)
±18 µrad (±4 arc sec) ±10 µrad (±2 arc sec)
Unidirectional Repeatability ±5 µrad (±1 arc sec) ±5 µrad (±1 arc sec)
Tilt Error Motion ±90 µrad (±18 arc sec) ±50 µrad (±10 arc sec)
Maximum Speed 150 degrees per second
Maximum Acceleration
1200 rad/s
2
500 rad/s
2
Settling Time Refer to Figure Figure 1-1
In-Position Stability
(2)
±0.4 µrad (±0.08 arc sec) ±0.2 µrad (±0.04 arc sec)
Nominal Radius of Rotation 50 mm 90 mm
Height from Tabletop to Rotation Point 19.1 mm 57.5 mm
Maximum Torque (Continuous) 0.40 N·m 0.85 N·m
Load Capacity
Axial 1.5 kg 2.0 kg
Moment 60 kg·mm 80 kg·mm
Stage Mass 0.55 kg (1.2 lb) 1.1 kg (2.4 lb)
Material Aluminum
MTBF (Mean Time Between Failure) 30,000 Hours
1. Certified with each stage.
2. In-Position Jitter listing is 3 sigma value.
Specifications are per axis, measured at the rotation point. Performance of multi-axis systems is payload and workpoint dependent.
Consult factory for multi-axis or non-standard applications.
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