X-RST Series

High load motorized rotary stages with built-in controllers

Photo of the X-RST240B

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

X-RST240B

240 mm Diameter | Large Aperture

Starting Price: $15,900 *

Lead Time: 7-10 Days?

X-RST240B Specifications

Download Datasheet
Accuracy (unidirectional) 0.075° (1.30875 mrad)
Repeatability < 0.0015° (< 0.026 mrad)
Backlash < 0.05° (< 0.873 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
Communication Interface RS-232
Communication Protocol Zaber ASCII (Default), Zaber Binary
Data Cable Connection Locking 4-pin M8
Power Supply 24-48 VDC
Power Plug 2-pin Screw Terminal
Maximum Current Draw 3600 mA
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

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).

Torque Speed Performance

X-RST120AK-torque-speed-web
Torque Speed Performance Chart of the X-RST240B