X-RST Series
High load motorized rotary stages with built-in controllers
Image is representative of the X-RST Series and may not match the selected variant.
X-RST120AK
120 mm Diameter
Starting Price: $4,943 *
Lead Time: 1-5 Days
X-RST120AK Specifications
Download Datasheet| Built-in Controller |  |
| Range | +/- 360° |
| Manual Control | |
| Weight | 2.6 kg (5.732 lb) |
| Accuracy (unidirectional) | 0.16° (2.792 mrad) |
| Repeatability | < 0.005° (< 0.087 mrad) |
| Backlash | < 0.05° (< 0.873 mrad) |
| Radial Error Motion | +/- 3 µm (+/- 0.000118") |
| Axial Error Motion | < 3 µm (< 0.000118") |
| Tilt Error Motion | +/- 0.0014° (+/- 24.43 µrad) |
| Microstep Size (Default Resolution) | 0.00015625° (2.727 µrad) |
| Default Resolution | 1/64 of a step |
| Maximum Torque | 10 N⋅m (7.38 lb⋅ft) |
| Maximum Continuous Torque | 10 N⋅m (7.38 lb⋅ft) |
| Maximum Centered Load | 500 N (112.1 lb) |
| Maximum Moment (Tilt) | 20 N⋅m (14.76 lb⋅ft) |
| Stiffness (Tilt) | 870 N⋅m/° (20.1 µrad/N⋅m) |
| Maximum Speed | 24°/s (4 rpm) |
| Minimum Speed | 0.000095°/s (1.658 µrad/s) |
| Speed Resolution | 0.000095°/s (1.658 µrad/s) |
| Maximum Angular Momentum | 0.4 kg⋅m2/s |
| Encoder Type |  |
| Limit or Home Sensing | Magnetic home sensor |
| Angular Motion Per Motor Rev | 2° |
| Motor Steps Per Rev | 200 |
| Motor Type | Stepper (2 phase) |
| Motor Rated Current | 1500 mA/phase |
| Motor Winding Inductance | 6.6 mH/phase |
| Motor Frame Size | 17 |
| Gear Ratio | 180:1 |
| 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 | 1100 mA |
| Stage Top Dimension | 120 mm (4.724") |
| Bearing Plane Offset | 27.1 mm (1.067") |
| Guide Type | Preloaded Ball Bearing |
| Mechanical Drive System | Precision Worm Gear |
| Mounting Interface | Kinematic with M2.5 and M6 threaded 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
