RST-AE Series

High precision, high load motorized rotary stages with direct encoders

Photo of the RST240-T3A

Image is representative of the RST-AE Series and may not match the selected variant.

RST240B-AE56T10A

360 Degree Rotation | 240 mm Diameter | Fine Resolution | High Torque | Large Aperture

Starting Price: $20,730 *

Standard Lead Time: 7-10 Days

RST240B-AE56T10A Specifications

Download Datasheet
Accuracy (unidirectional) 0.008° (0.1396 mrad)
Repeatability < 0.0015° (< 0.026 mrad)
Backlash < 0.005° (< 0.087 mrad)
Radial Error Motion +/- 2.5 µm (+/- 0.000098")
Axial Error Motion < 4 µm (< 0.000157")
Tilt Error Motion +/- 0.003° (+/- 52.36 µrad)
Microstep Size (Default Resolution) 0.00027574° (4.812 µrad)
Default Resolution 1/64 of a step
Maximum Torque 70 N⋅m (51.66 lb⋅ft)
Maximum Continuous Torque 45 N⋅m (33.21 lb⋅ft)
Maximum Centered Load 3000 N (672.8 lb)
Maximum Moment (Tilt) 200 N⋅m (147.6 lb⋅ft)
Stiffness (Tilt) 8000 N⋅m/° (2.2 µrad/N⋅m)
Maximum Speed 60°/s (10 rpm)
Minimum Speed 0.000168°/s (2.932 µrad/s)
Speed Resolution 0.000168°/s (2.932 µrad/s)
Maximum Angular Momentum 1.6 kg⋅m2/s
Encoder Type Direct reading optical encoder
Encoder Count Size 0.00003814°/count (0.137 arcseconds/count)
Encoder Resolution 23600 CPR (94400 states/rev)
Limit or Home Sensing Optical Index Mark
Stage Top Dimension 240 mm (9.449")
Bearing Plane Offset 30.75 mm (1.211")
Guide Type Crossed-Roller Bearing
Mechanical Drive System Precision Worm Gear
Mounting Interface M6 threaded holes and M8 mounting holes

* These are our direct prices in USD to customers in North America. If you are in Canada, click the Canadian flag icon at the top right of the page to see CAD prices. If you are in a country outside North America where we have an exclusive distributor, please check with the distributor for pricing. Distributor prices might be slightly higher to factor in shipping and import fees. Click here for a list of Zaber's Distributors.

Specification Charts & Notes

Torque Speed Performance

Torque Speed Performance Chart of the RST240B-AE56T10A