Rotary Positioning Stages
Anorad's rotary positioning stages are suited to a variety of demanding applications. From direct drive models for high dynamic performance, to gear driven versions for high loads, a wide range of stages are available to meet your requirements. Standard accuracies range from 0.2 arc-second to 2 arc-minutes.

DDR-150 Rotary Stage
- Direct drive brushless DC servo motor
- Precision ground ABEC-7 4-point contact bearings
- Durable stainless steel top plate with through hole
- Resolution to 0.2 arc seconds
- Highly repeatable Hall effect home and limit switches
- Optional encoder scale cover
- Ideal for:
- Wafer Inspection
- Precision Assembly
- Laser Machining
In addition, Anorad also offers DDR-90 direct drive miniature rotary stages.

DDR-90 Rotary
- Direct drive servo motor provides quick response
- Miniature size for small form factor photonics applications
- High resolution feedback to 0.43 arc-seconds
GR-XA Crossed Roller Stage
- Worm gear drive with self-aligning flexure in 45:1, 90:1, or 180:1 ratios
- Crossed roller bearings for high load capacity and rigidity
- Hard-coat anodized top plate with solid, through hole or custom mounting surface
- Motor mounting for NEMA23 frame servo or stepper motor
- Magnetic reed switch home sensor included
- Optimize your design with a variety of gear ratio, encoder & multiplier options
- Repeatability to ± 0.2 arc-minute
- Ideal for:
- Rotary Indexing Applications
- Automated Assembly
