RST-E Series

High load motorized rotation stages with built-in motor encoders

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

RST240B-E08T3A

240 mm Diameter | Large Aperture

Starting Price: $15,742

Standard Lead Time: 7-10 Days

Purchase Options

Add MC10T3 accessory (+ $33)

Controller: MCC (48 V) Recommended

1 x MC10T3: Motor Conversion Cable, 1.5 m, MCC Family Controllers and T3A/T4A/T11A Peripherals

Total Price

$15,775 (USD) *

Stand-alone

Total Price

$15,742 (USD) *

* 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.

Download Datasheet

RST240B-E08T3A Specifications

Microstep Size (Default Resolution)	0.00027574° (4.812 µrad)
Built-in Controller
Recommended Controller	MCC (48 V) Recommended
AutoDetect
Range	360°
Accuracy (unidirectional)	0.075° (1.308750 mrad)
Repeatability	< 0.0015° (< 0.026 mrad)
Backlash	< 0.05° (< 0.873 mrad)
Maximum Speed	60°/s (10 rpm)
Minimum Speed	0.000168°/s (2.932 µrad/s)
Speed Resolution	0.000168°/s (2.932 µrad/s)
Encoder Resolution	400 CPR (1600 states/rev)
Encoder Type	Rotary quadrature encoder (incremental)
Maximum Torque	70 N⋅m (51.7 lb⋅ft)
Maximum Continuous Torque	45 N⋅m (33.2 lb⋅ft)
Maximum Centered Load	3000 N (672.8 lb)
Maximum Moment (Tilt)	200 N⋅m (147.6 lb⋅ft)
Stage Top Dimension	240 mm (9.449")
Radial Error Motion	+/- 2.5 µm (+/- 0.000098")
Axial Error Motion	< 4 µm (< 0.000157")
Tilt Error Motion	+/- 0.003° (+/- 52.36 µrad)
Bearing Plane Offset	30.75 mm (1.211")
Stiffness (Tilt)	8000 N⋅m/° (2.2 µrad/N⋅m)
Angular Motion Per Motor Rev	3.5294°
Motor Steps Per Rev	200
Motor Type	Stepper (2 phase)
Motor Rated Current	3000 mA/phase
Motor Winding Resistance	0.53 ohms/phase
Motor Winding Inductance	2 mH/phase
Motor Connection	D-sub 15
Default Resolution	1/64 of a step
Maximum Angular Momentum	1.6 kg⋅m²/s
Motor Frame Size	23
Guide Type	Crossed-Roller Bearing
Mechanical Drive System	Precision Worm Gear
Limit or Home Sensing	Magnetic home sensor
Gear Ratio	102:1
Mounting Interface	M6 threaded holes and M8 mounting holes
Operating Temperature Range	0-50 °C
CE Compliant
Vacuum Compatible
Weight	14.5 kg (31.967 lb)

Specification Charts & Notes

Thrust or torque is a function of speed. The values given above are maximums. These values cannot both be achieved simultaneously (i.e. at maximum speed, the unit will not produce maximum thrust).