The URS-B Series provides precision 360° continuous motion in a low profile package. They meet the requirements of numerous research and industrial applications and some are directly compatible with Newport's VP (URS75B), XM, GTS, ILS (URS100B), IMS (URS100B and URS150B) and other series of linear stages. URS-B rotation stages are available in two versions:
The URS75BCC to URS150BCC DC-motor versions features an ultra-high resolution 8,000 cts/rev rotary encoder with index pulse for precision homing and is the recommended choice for applications requiring accurate bi-directional positioning. For the tightest position control, the rotary encoder is mounted directly on the worm screw. This eliminates most of the possible error sources associated with indirect read feedback devices. The high-torque of some DC motor versions provides the highest dynamic speed range and allows for rotating speeds up to 80 °/s. The URS50BCC DC-version is our smallest version and its motor encoder feature provides a very compact and easy to integrate version which can go up to 20 °/s with 100 N maximum load capacity.
The stepper motor version is a more economical version for less demanding applications. When used with motion controllers with high micro-step capability, like the XPS or ESP301, low noise operation and very small incremental motions are guaranteed. The stepper motor versions do not use encoder feedback, but reach a position by the number of commanded steps and micro-steps. For this purpose, the stepper motor is directly attached to the worm screw using a proprietary bellows coupling that has a high torsional stiffness, eliminating the need for a gear or belt drive. The high output torque of the stepper motor minimizes the risk of lost steps and provides good linearity between commanded microsteps and the actual motion of the stage.
Furthermore, except for the URS50B stages, all other versions feature adjustable limit switches to prevent over travel.
All URS-B rotation stages feature a proprietary ball bearing to provides a low-profile compact stage with exceptional stiffness, high reliability and outstanding wobble and eccentricity. The tilted worm screw arrangement allows for 4 symmetric mounting holes as compared to other designs that only feature 2 or 3 mounting holes. This enables the URS-B stages to provide better support of higher or off-centered loads. Additionally, the flexible preloading system for the worm gear was improved to guarantee a backlash-free operation with an MTBF of 20,000 hours.
The URS is available in vacuum compatible versions to 10e-6hPa. See the URS75BPPV6 .
Design Details
| Base Material |
Hardened steel with aluminum body |
| Bearings |
Large diameter ball bearings |
| Drive Mechanism |
Worm/gear |
| Worm Gear Ratio |
URS50B - 1 : 80
URS75B - URS150B - 1:90 + 1:2.75 drive belt |
| Feedback |
URS50BCC: Encoder at motor rear, no index pulse
URS75BCC to URS150BCC: Worm mounted 8,000 cts/rev encoder, index pulse
URS-BPP: None |
| Limit Switches |
Two independently adjustable optical limit switches (except URS50B) |
| Origin |
Optical, fixed at position 0°. |
| Origin Repeatability |
0.0005° for CC and 0.04° for PP |
| Manual Adjustment |
Via allen wrench at the end of the worm screw. Allen wrench is included. |
| Motor |
DC Servo or Stepper |
| Cable Length (m) |
3 (included, Sub-D15 or Sub-D25) |
Specifications
|
|
URS50BPP
|
URS50BCC
|
URS75BPP to URS150BPP |
URS75BCC to URS150BCC |
|
|
Typical |
Guaranteed3 |
Typical |
Guaranteed3 |
Typical |
Guaranteed3 |
Typical |
Guaranteed3 |
| Travel Range (°) |
360 continuous1 |
| Minimum Incremental Motion, Linear (°) |
0.0005 |
0.001 |
0.0002 2 |
0.002 |
| Uni-directional Repeatability (°) |
0.0005 |
0.002 |
0.0005 |
0.002 |
0.001 |
0.002 |
0.001 |
0.002 |
| Bi-directional Repeatability (°) |
0.0045 |
0.008 or ± 0.004 |
0.0015 |
0.006 or ± 0.003 |
|
0.02 or ± 0.01 |
|
0.006 or ± 0.003 |
| Absolute Accuracy (°) |
0.017 ° or ± 0.0085 |
0.05 ° or ± 0.025 |
0.015 ° or ± 0.0075 |
0.04 ° or ± 0.02 |
0.016 ° or ± 0.008 |
0.030 |
0.012 |
0.023 |
| Maximum Speed (°/s) |
40 |
20 |
40 |
80 |
| Wobble, (µrad) |
|
50 or ± 25 |
|
50 or ± 25 |
20 |
50 |
20 |
50 |
| Eccentricity, (µm) |
|
6 or ± 3 |
|
6 or ± 3 |
3 |
3 |
3 |
3 |
| MTBF |
20000 h @ 25% load and a 30% duty cycle |
1 With disabled limit switches
2 MIM with the SMC100PP is 0.0005° and 0.0002° with the XPS and ESP
3 Shown are peak to peak, guaranteed specifications or ± half the value as sometimes shown. For the definition of typical specifications which are about 2X better than the guaranteed values see
Motion Control Metrology Primer.
For the definition of specifications see
Motion Basics and Standards.
Specifications - Vacuum versions
|
|
URS50BPPV6
|
URS75BPPV6
|
| Travel Range (°) |
360 |
3601 |
| Minimum Incremental Motion (°) |
0.0015 |
0.00022 |
| Uni-directional Repeatability, Guaranteed (°) |
0.004 |
0.01 |
| Bi-directional Repeatability, Guaranteed |
0.006 or ± 0.003 |
0.02 or ± 0.01 |
| Absolute Accuracy, Guaranteed (°)3 |
0.04 ° or ± 0.02 |
0.030 ° or ± 0.015 |
| Maximum Speed (°/s) |
4 |
20 |
| Wobble, Guaranteed (µrad) |
50 or ± 25 |
50 or ± 25 |
| Eccentricity, Guaranteed (µm) |
6 or ± 3 |
3 or ± 1.5 |
| Vacuum Compatibility, hPa [torr] |
10-6 hPa (7.5*10-7 Torr) [0.7 x 10-7] |
10-6 hPa (7.5*10-7 Torr) [0.7 x 10-7] |
| MTBF |
20000 h @ 20% duty cycle |
20000 h @ 25% load and 30% duty cycle |
| Weight [ (kg)] |
1.5 (0.7) |
3.7 (1.7) |
1 With disabled limit switches
2 MIM with the SMC100PP is 0.0005° and 0.0002° with the XPS and ESP
3 Shown are peak to peak, guaranteed specifications or ± half the value as sometimes shown. For the definition of typical specifications which are about 2X better than the guaranteed values, see
Motion Control Metrology Primer.
For the definition of specifications, see
Motion Basics and Standards .
Load Characteristics
| |
URS50 |
URS75 |
URS100 |
URS150 |
| Cz, Normal centered load capacity (N) |
100 |
200 |
300 |
300 |
| a, Construction parameter (mm) |
20 |
25 |
35 |
55 |
| kα, Transversal compliance (µrad/Nm) |
100 |
30 |
10 |
5 |
| Mz, Nominal Torque (Nm) |
0.25 |
0.5 |
1 |
2 |
| Q, Off-center load |
Q ≤ Cz / (1 + D/a) |
| D, Cantilever distance in mm |
| Weight [lb (kg)] |
|
3.7 (1.7) |
4.4 (2) |
7.5 (3.4) |
Ordering Information
| | Model | Description | avail raw | Availability | price raw | Price | Qty. MULTI ADD |
|---|
|
URS50BCC |
Precision Rotation Stage, DC Motor, Continuous 360° Motion, URS50 |
0 |
In Stock |
2550 |
$2,550.00 |
ADD |
|
URS50BPP |
Precision Rotation Stage, Stepping Motor, Continuous 360° Motion, URS50 |
0 |
In Stock |
2413 |
$2,413.00 |
ADD |
|
URS75BCC |
Precision Rotation Stage, DC Motor, Continuous 360° Motion, URS75 |
0 |
In Stock |
3575 |
$3,575.00 |
ADD |
|
URS75BPP |
Precision Rotation Stage, Stepper Motor, Continuous 360° Motion, URS75 |
0 |
In Stock |
3060 |
$3,060.00 |
ADD |
|
URS100BCC |
Precision Rotation Stage, DC Motor, Continuous 360° Motion, URS100 |
0 |
In Stock |
3817 |
$3,817.00 |
ADD |
|
URS100BPP |
Precision Rotation Stage, Stepper Motor, Continuous 360° Motion, URS100 |
0 |
In Stock |
3378 |
$3,378.00 |
ADD |
|
URS150BCC |
Precision Rotation Stage, DC Motor, Continuous 360° Motion, URS150 |
0 |
In Stock |
4231 |
$4,231.00 |
ADD |
|
URS150BPP |
Precision Rotation Stage, Stepper Motor, Continuous 360° Motion, URS150 |
0 |
In Stock |
3731 |
$3,731.00 |
ADD |
Compatible Controllers and Driver Electronics
Check the controller tab to see the full compatibility of stage models and controllers
Accessories
| | Model | Description | avail raw | Availability | price raw | Price | Qty. MULTI ADD |
|---|
|
URSBK |
90° Mounting Bracket URS Series Rotation Stages |
0 |
In Stock |
384 |
$384.00 |
ADD |
|
URSBK |
90° Mounting Bracket URS Series Rotation Stages |
0 |
In Stock |
384 |
$384.00 |
ADD |
|
URS75P1 |
Adapter for B25.4 lens barrel on URS75 stages |
0 |
In Stock |
115 |
$115.00 |
ADD |
|
URS75P1 |
Adapter for B25.4 lens barrel on URS75 stages |
0 |
In Stock |
115 |
$115.00 |
ADD |
|
URS75TP |
Solid Top Mounting Plate, URS75 Series, 1/4-20 Threaded Holes |
0 |
In Stock |
125 |
$125.00 |
ADD |
|
URS75TP |
Solid Top Mounting Plate, URS75 Series, 1/4-20 Threaded Holes |
0 |
In Stock |
125 |
$125.00 |
ADD |
|
URS100TP |
Solid Top Mounting Plate, URS100 Series, 1/4-20 Threaded Holes |
0 |
In Stock |
148 |
$148.00 |
ADD |
|
URS100TP |
Solid Top Mounting Plate, URS100 Series, 1/4-20 Threaded Holes |
0 |
In Stock |
148 |
$148.00 |
ADD |
|
URS150TP |
Solid Top Mounting Plate, URS150 Series, 1/4-20 Threaded Holes |
0 |
In Stock |
191 |
$191.00 |
ADD |
|
URS150TP |
Solid Top Mounting Plate, URS150 Series, 1/4-20 Threaded Holes |
0 |
In Stock |
191 |
$191.00 |
ADD |
CONEX version
Vacuum version
Controller Compatibility
|
Family |
Max. Power Consumption
(W) |
XPS1 driver module |
Compatibility |
|
ESP3011 |
SMC100CC1 |
SMC100PP1 |
| URS50BCC |
10 |
XPS-DRV01 |
X |
X |
|
| URS50BPP |
10 |
XPS-DRV01 |
X |
|
Reduced3 |
| URS50BPPV6 |
10 |
XPS-DRV01 |
X |
|
X |
| URS75BPPV6 |
10 |
XPS-DRV01 |
X |
|
Reduced2 |
| URS75BCC to URS150BCC |
40 |
XPS-DRV01 |
X |
X |
|
| URS75BPP to URS150BPP |
20 |
XPS-DRV01 |
X |
|
Reduced3 |
1. Enhanced System Performance (ESP) Controller
2. Compatible, but speed is reduced by 2.5x of the rated speed (ie, 40% of rated speed).
3. Compatible, but MIM is 1/20th of a full step.
XPS Series
|
Model |
Description |
| XPS-Q2
|
2-axis Universal Controller/Driver, ethernet |
| XPS-Q4
|
4-axis Universal Controller/Driver, ethernet |
| XPS-Q6
|
6-axis Universal Controller/Driver, ethernet |
| XPS-Q8
|
8-axis Universal Controller/Driver, ethernet |
| XPS-DRV01
|
PWM drive module for DC brush and stepper motors, 3A/48V max. |
| XPS-DRV03
|
High performance PWM drive module for DC motors, 5A/48V max. |
Note: Appropriate XPS-DRVxx card is required for each axis when used with XPS
ESP301 Series
|
Model |
Description |
| ESP301-1G
|
ESP301 Motor Controller/Driver, 1 axis, w/ GPIB and USB |
| ESP301-1N
|
ESP301 Motor Controller/Driver, 1 axis, USB |
| ESP301-2G
|
ESP301 Motor Controller/Driver, 2 axis, w/ GPIB and USB |
| ESP301-2N
|
ESP301 Motor Controller/Driver, 2 axis, USB |
| ESP301-3G
|
ESP301 Motor Controller/Driver, 3 axis, w/ GPIB and USB |
| ESP301-3N
|
ESP301 Motor Controller/Driver, 3 axis, USB |
SMC Series
|
Model |
Description |
| SMC100CC
|
Single-axis DC motor controller/driver |
| SMC100PP
|
Single-axis stepper motor controller/driver |
Note: Refer to SMC series product page for power supply and available cable accessories
CONEX Series - Integrated Controller
|
Model |
Description |
| CONEX-URS50BCC
|
URS50BCC Rotation Stage Integrated with CONEX Controller |
