Modular Motorized Linear Stage, 25 mm Travel, Crossed-Roller Bearings

25 mm Travel with Choice of Motorized Actuator
Low Angular Deviation and High Load Capacity
Integrated 3" Dovetails for Multi-Axis Construction
Side- or End-Mounted Actuators Available

XR25X

25 mm Stage, 1/4"-20 Taps
(Actuator and Actuator Mount
Sold Separately)

XR25-C1

Actuator Side-Mounting Kit

PIA25

Piezo Inertia Actuator

Z925B

DC Servo Motor

XR25X Stage with
XR25-C1 Side-Mounting Kit and
ZFS25B Compact Stepper Motor

Please Wait

Overview
Quick-Connect Stages
Motorized Linear Stages
Feedback

Key Specs
Travel	25 mm
XY Stacked Orthogonality	<25 µrad
Angular Deviation	<150 µrad
Platform Size	4.33" x 2.98" (110.0 mm x 75.7 mm)
Platform Height	0.91" (23.0 mm)
Mounting Holes	22 x 1/4"-20 (M6 x 1.0) Taps
Mating Dovetail Width	3"
Horizontal Load Capacity (Max)	180 lbs (81.9 kg)
Vertical Load Capacity (Max)	Limited by Actuator^a
Bearing Type	Crossed-Roller Bearings
Actuator Mounting Barrel Size^a	Ø3/8" (Ø9.525 mm)

Actuator Mounts & Actuators Sold Separately Below

Quick Links
Modular Stage
Step 1: Choose Mounting Threads
Step 2: Choose Actuator Mounting Kit
Step 3: Choose Actuator
Optional Accessories
Z-Axis Stage Assembly Kits
Mounting Adapters
Base Plate with Rotational Adjustment

Features

Crossed-Roller Bearings for High Load Capacity and Low Angular Deviation
Stage, Actuator, and Actuator Mounts Sold Separately for Customization
25 mm Motorized Actuator Options: Piezo Inertia, Stepper, or Servo Mechanisms
Side- or End-Mounted Actuator Configurations
Quickly Connect Stages and Accessories Using 3" Dovetails
- See the Quick-Connect Stages Tab for Complete Line of Components

The XR25X(/M) 25 mm Translation Stage is offered without an actuator or actuator mounting kit for users looking to build a custom stage with their choice of motorized (or manual) actuator. First, choose between imperial and metric mounting threads, as noted in the table to the right. Then, choose between a side- or end-mounting kit for the actuator. Stepper motors, a DC servo motor, and a piezo inertia actuator are available in the third step. Accessories are also available for additional mounting flexibility, including vertical stage mounting.

Our XR25 Series Translation Stages provide 25 mm of linear translation with less than 150 µrad of deviation per axis in pitch and yaw over the full range of the stage. They use crossed-roller steel bearings to support precision motion and high load capacities. The top and bottom plates are machined from cast tool and jig aluminum for minimal internal stress and improved stability.

The top and bottom of the stage feature quick connect dovetails (as shown in the image below) that allow for the construction of multi-axis systems without the need for additional hardware. The stages are locked into place via a lock plate that accepts a 5/64" (2.0 mm) hex key or ball driver. See the animation to the lower right to see how multi-axis systems can be quickly constructed using this novel design. The 3" dovetails on our XR25 series stages are directly compatible with the dovetails on our XR50 translation stages, XRV1 vertical translation stage, and XRR1 rotation stage. The base of the stage also features 1/4" (M6) slots for direct breadboard mounting.

Quickly Construct Multi-Axis Stages
The XR25X(/M) stage features 3" dovetails on the top and bottom plate that allow for quick construction of multi-axis systems. There are no dowel pins to install or screws that need to be inserted through the top plate, which means that mounted components do not need to be removed from the top stage before constructing an XY configuration. In addition, the top stage can be locked at any location along the dovetail, allowing for coarse positioning.

Additional functionality is provided by a complete line of accessories that include multi-axis assembly kits, rail carriers, rotation adapters, rails, and stage positioners. These accessories are compatible with all stages that have an integrated 3" dovetail. An adapter plate for mounting compact 25 mm stages with an integrated 2" dovetail onto stages with a 3" dovetail is also available. We also offer the ENCXR25 position encoder for use with actuators that lack the functionality, such as the PIA25 Piezo Inertia Actuator, which is designed for set-and-hold applications that require high-resolution relative positioning. For details on our full line of quick-connect stages and accessories, including XR25 series stages pre-configured with manual micrometers, see the Quick-Connect Stages tab above.

Click to Enlarge
The 3" female dovetails on the bottom of one stage mates with the male dovetail on the other to form XY stage configurations. The left female dovetail is on a retractable clamping arm, allowing stages to be dropped into place.

Click to Enlarge
A side-mounted actuator can be mounted on either side by swapping the locking plate location to create both left-and right-handed stages.

Build Multi-Axis Configurations

Click for Details
Z-axis assembly kits allow stages to be mounted in vertical orientations.

Quick-Connect Dovetails

Click to Enlarge
The female dovetails on the bottom of one stage mate with the male dovetails on another.

XR & XRN Dovetail Stages and Accessories

Our XR series manual stages feature quick-connect dovetails that allow for the construction of multi-axis systems without the need for additional hardware. The common dovetail feature with a single locking clamp makes it quick and simple to swap parts in and out while preserving excellent orthogonality.

Our selection of products with a quick-connect dovetail includes:

Linear Translation Stages:
- Stackable 1-Axis Stages
- Pre-Assembled 2- and 3-Axis Configurations
Rotational Stages:
- 360° Flat Rotation
- Tip/Tilt Goniometers
Adapters:
- Z-Axis Assembly Kits
- Parallel and Perpendicular Mounting between 2" and 3" Dovetails
Rail Accessories:
- Stationary Mounting Platforms
- Rail Component Positioners
Base Plates and Rails

Most items are available in compact (2" dovetail) and full-size (3" dovetail) varieties. Adapters are available to interface between the two sizes. See the tables below for all available options.

Linear Translation Stages
Click Photo to Enlarge
Items	Compact 25 mm Stages	Compact 9 mm Vertical Stage	Full-Size 25 mm Stages (Modular Motorized Also Available)	Full-Size 50 mm Stages	14 mm Vertical Stage
Motion	X, Y, Z, XY, XZ, YZ, XYZ	Z (Vertical)	X, Y, Z, XY, XZ, YZ, XYZ	X, Y, Z, XY, XZ, YZ, XYZ	Z (Vertical)
Quick-Connect Dovetail	2" Dovetail		3" Dovetail
Additional Features

Rotation and Goniometric Stages
Click Photo to Enlarge
Items	Compact Rotation Stage	Compact Goniometric Stages	Full-Size Rotation Stage
Motion	360° Rotation	±8° Tip/Tilt About Fixed Point Above Stage	360° Rotation
Quick-Connect Dovetail	2" Dovetail		3" Dovetail
Additional Features

Stage Adapters
Z-Axis Assembly Kits
Z-Axis Assembly Kits	Compact Z-Axis Assembly Kits, 2" Dovetails	Full-Size Z-Axis Assembly Kits, 3" Dovetails
Parallel Mounting Adapters
Parallel Mounting Adapters	Parallel Mounting Adapter, Male 2" Dovetail to Female 3" Dovetail	Parallel Mounting Adapter, Male 3" Dovetail to Female 3" Dovetail
Perpendicular Mounting Adapter
Perpendicular Mounting Adapter	Perpendicular Mounting Adapter Male 2" Dovetail to Female 3" Dovetail

Dovetail Accessories
Mounting Platforms
Mounting Platforms	2" Mounting Platforms	3" Mounting Platforms
Rail Positioners
Rail Positioners	2" Rail Positioners	3" Rail Positioners

Dovetail Bases
Base Plates
Base Plates	2" Dovetail Base Plate	3" Dovetail Base Plate with Rotational Adjustment
Rails / Extended Bases
Rails / Extended Bases	2" Dovetail Rails	3" Dovetail Rails

Motorized Linear Translation Stages

Thorlabs' motorized linear translation stages are offered in a range of maximum travel distances, from a stage with 20 µm of piezo translation to our 600 mm direct drive stage. Many of these stages can be assembled in multi-axis configurations, providing XY or XYZ translation. For fiber coupling applications, please see our multi-axis stages, which offer finer adjustment than our standard motorized translation stages. In addition to motorized linear translation stages, we offer motorized rotation stages and goniometers. We also offer manual translation stages.

Piezo Stages

These stages incorporate piezoelectric elements in a variety of drive mechanisms. ORIC^® stages incorporate piezo inertia drives that use "stick-slip" friction properties to obtain extended travel ranges. Our modular, quick-connect XR25 series translation stage can be driven by the PIA25 piezo inertia actuator which operates using the same principle. Our Nanoflex™ translation stages use standard piezo chips along with manual actuators. Elliptec^® stages use resonant piezo motors to push and pull the moving platform through resonant elliptical motion. Our LPS710E z-axis stage features a mechanically amplified piezo design and includes a matched controller.

Piezoelectric Stages
Product Family	ORIC^® PDXZ1 Closed-Loop 4.5 mm Vertical Stage	ORIC^® PD2 Open-Loop 5 mm Stage	ORIC® PDX2 Closed-Loop 5 mm Stage
Click Photo to Enlarge
Travel	4.5 mm	5 mm
Speed	1 mm/s (Typ.)^a	10 mm/s (Typ. Max)^b	8 mm/s (Typ.)^c
Drive Type	Piezoelectric Inertia Drive
Possible Axis Configurations	Z	X, XY, XYZ
Mounting Surface Size	45.0 mm x 42.0 mm	13 mm x 13 mm
Additional Details

Specified at 20 kHz Driving Frequency and in Closed-Loop Mode
Specified using PDXC and PDXC2 Benchtop Controllers. For performance when controlled with a KIM001 or KIM101 K-Cube Controller, see the Specs tab of the PD2 or PD3 stage presentation.
Specified using PDXC and PDXC2 Benchtop Controllers.

Piezoelectric Stages
Product Family	ORIC^® PD1 Open-Loop 20 mm Stage	ORIC^® PD1D Open-Loop 20 mm Monolithic XY Stage	ORIC^® PDX1 Closed-Loop 20 mm Stage	ORIC^® PD3 Open-Loop 50 mm Stage
Click Photo to Enlarge
Travel	20 mm			50 mm
Speed	3 mm/s (Typ. Max)^a		20 mm/s (Typ. Max)^b	10 mm/s^c
Drive Type	Piezoelectric Inertia Drive
Possible Axis Configurations	X, XY, XYZ	XY, XYZ	X, XY, XYZ	X, XY, XYZ
Mounting Surface Size	30 mm x 30 mm			80 mm x 30 mm
Additional Details

Specified using KIM101 K-Cube Controller.
Specified using PDXC and PDXC2 Benchtop Controllers.
Specified using PDXC and PDXC2 Benchtop Controllers. For performance when controlled with a KIM001 or KIM101 K-Cube Controller, see the Specs tab of the PD2 or PD3 stage presentation.

Piezoelectric Stages
Product Family	Nanoflex™ 20 µm Stage with 5 mm Actuator	Nanoflex™ 25 µm Stage with 1.5 mm Actuator	Modular XR25 Series 25 mm Stage	Elliptec^® 28 mm Stage	Elliptec^® 60 mm Stage	LPS710E 1.1 mm Vertical Stage
Click Photo to Enlarge
Travel	20 µm + 5 mm Manual	25 µm + 1.5 mm Manual	25 mm	28 mm	60.0 mm	1.1 mm
Maximum Velocity	-		≤3.6 mm/min^a	180 mm/s	90 mm/s	-
Drive Type	Piezo with Manual Actuator		Piezo Inertia Drive	Resonant Piezoelectric Motor		Amplified Piezo
Possible Axis Configurations	X, XY, XYZ		X, XY, YZ, XZ, XYZ	X		Z
Mounting Surface Size	75 mm x 75 mm	30 mm x 30 mm	110.0 mm x 75.7 mm	15 mm x 15 mm		21 mm x 21 mm
Additional Details

While travelling in one direction, each device's step size may vary by up to 20% and is not normally repeatable. Due to the open loop design, component variance, change of direction and application conditions may further increase the scale of the variance. That is for a given set of settings in Kinesis.
The PIA25 piezo inertia actuator is ideal for set-and-hold applications that require high-resolution relative positioning. For position readouts with 10.0 µm accuracy, we offer the ENCXR25 optical encoder (sold separately).

Stepper Motor Stages

These translation stages feature removable or integrated stepper motors and long travel ranges up to 300 mm. Many of these stages either have integrated multi-axis capability (PLSXY) or can be assembled into multi-axis configurations (PLSX, Quick-Connect XR25 Series, LNR Series, NRT Series, and LTS Series stages). The MLJ150 stage also offers high load capacity vertical translation.

Stepper Motor Stages
Product Family	MVSN1(/M) 13 mm Vertical Stage	PLS Series 1" Stages	Modular XR25 Series 25 mm Stage	LNR Series 25 mm Stage	LNR Series 50 mm Stage
Click Photo to Enlarge
Travel	13 mm	1" (25.4 mm)	25 mm	25 mm	50 mm
Maximum Velocity	5.0 mm/s	7.0 mm/s	2.0 mm/s	2.0 mm/s	50 mm/s
Possible Axis Configurations	Z	X, XY	X, XY, YZ, XZ, XYZ	X, XY, XYZ	X, XY, XYZ
Mounting Surface Size	24.5 mm x 50.0 mm	3" x 3" (76.2 mm x 76.2 mm)	110.0 mm x 75.7 mm	60 mm x 60 mm	100 mm x 100 mm
Additional Details

Stepper Motor Stages
Product Family	NRT Series 100 mm Stage	NRT Series 150 mm Stage	LTS Series 150 mm Stage	LTS Series 300 mm Stage	MLJ250 50 mm Vertical Stage
Click Photo to Enlarge
Travel	100 mm	150 mm	150 mm	300 mm	50 mm
Maximum Velocity	30 mm/s		50 mm/s		3.0 mm/s
Possible Axis Configurations	X, XY, XYZ		X, XY, XYZ		Z
Mounting Surface Size	84 mm x 84 mm		100 mm x 90 mm		148 mm x 131 mm
Additional Details

DC Servo Motor Stages

Thorlabs offers linear translation stages with removable or integrated DC servo motors. These stages feature low profiles and many can be assembled in multi-axis configurations.

DC Servo Motor Stages
Product Family	MT Series 12 mm Stages	PT Series 25 mm Stages	Modular XR25 Series 25 mm Stage	MTS Series 25 mm Stage	MTS Series 50 mm Stage
Click Photo to Enlarge
Travel	12 mm	25 mm	25 mm	25 mm	50 mm
Maximum Velocity	2.6 mm/s		2.6 mm/s	2.4 mm/s
Possible Axis Configurations	X, XY, XYZ		X, XY, YZ, XZ, XYZ	X, XY, XYZ
Mounting Surface Size	61 mm x 61 mm	101.6 mm x 76.2 mm	110.0 mm x 75.7 mm	43 mm x 43 mm
Additional Details

DC Servo Motor Stages
Product Family	M30 Series 30 mm Stage	M30 Series 30 mm Monolithic XY Stage	M150 Series 150 mm XY Stage	KVS30 30 mm Vertical Stage
Click Photo to Enlarge
Travel	30 mm		150 mm	30 mm
Maximum Velocity	2.4 mm/s		X-Axis: 170 mm/s Y-Axis: 230 mm/s	8.0 mm/s
Possible Axis Configurations	X, Z	XY, XZ	XY	Z
Mounting Surface Size	115 mm x 115 mm		272.4 mm x 272.4 mm	116.2 mm x 116.2 mm
Additional Details

Direct Drive Stages

These low-profile stages feature integrated brushless DC servo motors for high speed translation with zero backlash. When no power is applied, the platforms of these stages have very little inertia and are virtually free running. Hence these stages may not be suitable for applications where the stage's platform needs to remain in a set position when the power is off. We do not recommend mounting these stages vertically.

Direct Drive Stages
Product Family	DDS Series 50 mm Stage	DDS Series 100 mm Stage	DDS Series 220 mm Stage	DDS Series 300 mm Stage	DDS Series 600 mm Stage
Click Photo to Enlarge
Travel	50 mm	100 mm	220 mm	300 mm	600 mm
Maximum Velocity	500 mm/s		300 mm/s	400 mm/s	400 mm/s
Possible Axis Configurations	X, XY		X, XY	X	X
Mounting Surface Size	60 mm x 52 mm		88 mm x 88 mm	120 mm x 120 mm
Additional Details

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Step 1: Choose Stage Mounting Threads

Zoom

Compatible 3" Dovetail Stages
XR50 50 mm Translation Stages
XRV1 Vertical Translation Stage
XRR1 Rotation Stage

Mounting Surface has Twenty-Two 1/4"-20 (M6 x 1.0) Tapped Blind Holes, 0.30" (7.6 mm) Deep
Bare Stage for Custom Configurations; Actuators and Actuator Mounts Sold Separately Below
Create Multi-Axis Configurations Using Dovetail Locking Screw
- Clamp Screw has a Maximum Torque of 15 in•lbs
Directly Compatible with 3" Mating Dovetail Stages (See Table to the Right)

The XR25X(/M) stage is offered without an actuator or actuator mount for custom configurations. It is capable of 25 mm of travel using a side- or end-mounted actuator (actuator and actuator mounting kit sold separately below). The top plate of the stage is tapped with an array of 1/4"-20 (M6 x 1.0) tapped blind holes, and the stage is lockable with a plate on the side of the stage that can be locked using a 5/64" (2.0 mm) hex key. Two mounting slots on each end of the stage can be used with 1/4"-20 (M6 x 1.0) screws for direct mounting to an optical table. Alternatively, the XR25-B1(/M) base plate (sold separately below) provides coarse position and rotation adjustments.

This stage can be easily stacked and secured to other stages with integrated 3" mating dovetails. The stages are secured by a single dovetail locking mechanism with a 3/16" (5 mm) hex key.

Step 2: Choose Actuator Mounting Kit

Zoom

Click to Enlarge
XR25-C2 Actuator End-Mounting Kit

Actuator Mount & Actuator Installation Procedure

XR25-C1: Actuator Side-Mounting Kit for Compact Footprint
XR25-C2: Actuator End-Mounting Kit for Long and Narrow Footprint
Compatible with XR25 and XR50 Series Stages
Ø3/8" (Ø9.525 mm) Mounting Barrel

The XR25-C1 and XR25-C2 actuator mounting kits enable side and end mounting of an actuator, respectively, on an XR25 (or XR50) series stage. See the animation to the right for details on the mount and actuator installation steps.

Note: Before removing an installed actuator, lock the stage by tightening the button head cap screw in the groove in the steel locking plate using a 5/64" (2 mm) hex key.

Left-Hand-Side Mounting an Actuator
To mount an actuator on the left-hand side, as shown here and in the Overview tab photo above, the factory-installed locking plate needs to be swapped to the right-hand side of the stage. If an actuator is installed, it must be fully retracted before removing all three button head screws from the locking plate. Failure to do this will cause the stage to quickly retract to its minimum position when the actuator is removed, potentially damaging the mechanism.

Step 3: Choose Actuator

Motorized 25.0 mm (0.98") Travel Actuators
Item #^a	Photo^b	Actuator Type	Max Speed	Max Acceleration	Vertical Load Capacity	Required Controller^c	Footprint^d	Side-Mounted Example^b,e
PIA25^f		Piezo Inertia	≤3.6 mm/min^g	N/A	N/A^h	KIM001 or KIM101	Side-Mounted: 122.7 mm x 112.2 mm End-Mounted: 180.3 mm x 78.0 mm
ZFS25B		Compact Stepper Motor	2.0 mm/s	10 mm/s²	2.2 lbs (1.0 kg)	KST201	Side-Mounted: 146.8 mm x 113.7 mm End-Mounted: 209.8 mm x 78.0 mm
ZST225B		Stepper Motor	2.0 mm/s	10 mm/s²	2.2 lbs (1.0 kg)	KST201	Side-Mounted: 208.8 mm x 97.7 mm End-Mounted: 271.8 mm x 78.0 mm
Z925B		DC Servo Motor	2.6 mm/s	4 mm/s²	3.3 lbs (1.5 kg)	KDC101	Side-Mounted: 217.9 mm x 97.1 mm End-Mounted: 280.9 mm x 78.0 mm

Click for Link to Full Product Presentation
Click to Enlarge
A controller and power supply are required to operate the actuator. Each item is sold separately.
At Max Travel; Click for Diagram
Each actuator is shown installed on an XR25X stage using the XR25-C1 actuator side-mounting kit. Click these links for examples using the XR25-C2 actuator end-mounting kit: PIA25 piezo inertia actuator and ZFS25B stepper motor.
The PIA25 piezo inertia actuator is ideal for set-and-hold applications that require high-resolution relative positioning. For position readouts with 10.0 µm accuracy, we offer the ENCXR25 optical encoder (sold separately).
While travelling in one direction, each device's step size may vary by up to 20% and is not normally repeatable. Due to the open loop design, component variance, change of direction and application conditions may further increase the scale of the variance. That is for a given set of settings in Kinesis.
Refer to the PIA25 actuator web presentation for details.

Z-Axis Stage Assembly Kits

Zoom

Click to Assemble
XZ Configuration Constructed Using
the XR25-XZ Assembly Kit

Click to Assemble
YZ Stage Assembly Constructed Using
the XR25-YZ Assembly Kit

Click to Enlarge
XYZ Configuration Constructed Using
the XR25-XZ Assembly Kit

Click to Enlarge
Z-Axis Stage Constructed Using
the XR25-XZ Assembly Kit and
the XR25-B1 Base Plate (Sold Below)

Kits Consist of Angle Bracket and Z-Axis Mounting Plate
Supports X, Z, XZ, YZ, or XYZ Configurations
Compatible with 3" Mating Dovetail Stages
Included Dovetail Clamp Screw has a Maximum Torque of 15 in•lbs

Thorlabs offers two assembly kits used to mount two XR25 or XR50 series stages perpendicular to each other. The XR25-XZ(/M) Assembly Kit contains a mounting plate and an angle bracket that mounts the surface of the Z-axis platform in-line to the direction of travel (XZ configuration). The XR25-YZ(/M) Assembly Kit contains a mounting plate and an angle bracket that mounts the surface of the Z-axis platform perpendicular to the direction of travel (YZ configuration). Take care during assembly to ensure no collisions occur with the Z-axis stage during full downward extension.

Both configurations require purchasing two XR25 and/or XR50 series stages in any combination as well as either assembly kit. The female dovetail on one arm of the angle bracket attaches to the male dovetail on the tapped platform of the X- or Y-axis stage, and then the male dovetail of the tapped platform of the Z-axis stage is mated to the other arm of the angle bracket. The tapped mounting plate provided with the XR25-XZ and the XR25-YZ is mounted to the Z-axis stage by attaching the male dovetail of the plate to the female dovetail on the stage, as shown in the image to the right. Mating the Z-axis stage this way ensures that the actuator is countering forces from both gravity and the internal spring.

The tapped mounting plate included in each assembly kit contains the same 1/4"-20 (M6 x 1.0) tapped hole pattern as the top plate of the stages. Additionally, it offers two rear-located #8 (M4) counterbores for mounting optomechanical components with tapped 8-32 (M4) mounting holes directly to the mounting surface. Note that the component must be mounted with the 8-32 (M4) cap screw before the mounting plate is secured to the stage.

Z-Axis Stage Configuration
For situations where only a Z-axis translation stage is needed, either the XR25-XZ(/M) or the XR25-YZ(/M) angle bracket can be secured directly to the XR25-B1(/M) base plate (sold below), as shown in the figure to the right.

X-Axis Stage Configuration
In addition to a Z-axis stage configuration, the XR25-XZ(/M) can be used for situations where the X-axis translation stage needs to be mounted vertically. The X-axis stage needs to be secured to the XR25-XZ(/M) angle bracket, and the angle bracket secured directly to the XR25-B1(/M) base plate (sold below).

XYZ Configurations
In order to construct an XYZ configuration, first connect two stages together to create an XY stage. Then, the XR25-YZ(/M) assembly kit can be used to add the Z-axis. An XYZ configuration can also be constructed using the XR25-XZ(/M) assembly kit, which functions the same as an XYZ configuration constructed using the XR25-YZ(/M), with only the X-axis and Y-axis stages switched. An XYZ configuration using the XR25-XZ assembly kit is shown to the right.

Mounting Adapters

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XRN-A1 Adapter Enables Perpendicular Mounting of 2" Dovetail Components onto 3" Dovetail Components
XRN-A2 Adapter Enables Parallel Mounting of 2" Dovetail Components onto 3" Dovetail Components
XR25-A2 Adapter Enables Parallel Mounting of 3" Dovetail Components
Adapters Add 0.275" (7.0 mm) to the Overall Stacked Height of Components

These adapters provide additional mounting options for our quick-connect, crossed-roller bearing stages, as illustrated in the photos below. The XRN-A1 adapter enables perpendicular mounting of components with a female 2" dovetail to components with a male 3" dovetail while the XRN-A2 adapter enables parallel mounting of the same. The XR25-A2 adapter enables parallel mounting of two components with 3" dovetails. The mounting configuration in the photo to the lower right allows translation along a rail to be parallel to the direction of translation of a mounted stage.

To assemble, first loosen the dovetail locking screw on the end of the top stage or accessory. Position the adapter on the bottom stage or rail, as illustrated in the photos below, then align the top component on the adapter. Lastly, tighten the dovetail locking screw (maximum torque: 15 in•lbs) on the end of the top component until the entire assembly is secure. Please note that the deep-set screws in the sides of the adapter are not user adjustable.

Click to Assemble
XR25 Series Stage Mounted onto
XR25DR Rail Using XR25-A2 Adapter

Click to Assemble
Compact XRN25 Series Stage Mounted onto XR25 Series Stage Using XRN-A1 Adapter

Mounting Adapter Compatibility
Item #	Orientation	Top Component	Bottom Component
XRN-A1	Perpendicular	XRN25 Series XRNV1 Series XRNR1 Series XRNG1 Series	XR25 Series XR50 Series XRV1 Series XRR1 Series
XRN-A2	Parallel	XRN25 Series XRNV1 Series XRNR1 Series XRNG1 Series
XR25-A2	Parallel	XR25 Series XR50 Series XRV1 Series XRR1 Series

Base Plate with Rotational Adjustment

Zoom

Allows for Coarse Rotational or Translational Alignment of Stages with Table Hole Matrix
Orthogonal Male Dovetails for Two Stage Mounting Orientations
Compatible with 3" Mating Dovetail Stages

The XR25-B1(/M) Base Plate provides an additional table mounting option for our XR25 and XR50 series translation stages. The base plate features two orthogonal male dovetails that allow for two mounting orientations of an XR25 or XR50 series stage. A center Ø1/4" (M6) counterbored hole and two radial counterbored slots allow for coarse angular adjustment with respect to the table's 1/4"-20 (M6 x 1.0) hole matrix. For situations where the stage is oriented with the table's hole matrix, two 2.2" (55.9 mm) long 1/4" (M6) counterbored slots on the edge of the base plate allow for coarse translation adjustment along the hole matrix before the base is secured to the table.

Z-Axis Stage Configuration
For situations where only a Z-axis translation stage is needed, either the XR25-XZ(/M) or the XR25-YZ(/M) angle bracket (sold above) can be secured directly to the base plate.

X-Axis Stage Configuration
In addition to a Z-axis stage configuration, the XR25-XZ(/M) angle bracket (sold above) can be used for situations where the X-axis translation stage needs to be mounted vertically. The XR25-XZ(/M) angle
bracket can be secured directly to the XR25-B1(/M) base plate.

This animation shows how the XR25-B1 base plate can be used for alignment of the stage.

Click for Details
The radial slots and counterbored center hole allow the base plate to be rotated with respect to the table's hole matrix. The two slots and orthogonal mounting dovetails provide 360° adjustment.

Click to Enlarge
The orthogonal dovetails on the top of the XR25-B1 base plate allow the stage to be mounted in two orientations.

Item #	PDXZ1(/M)	PD2(/M)	PDX2(/M)
Positioning Performance	12.5 nm Optical Encoder Resolution	N/A	12.5 nm Optical Encoder Resolution
Mounting Holes	2-56 (M2), 8 Places 4-40, 4 Places M3, 4 Places 8-32 (M4), 8 Places 1/4"-20 (M6)	00-90 (M1.2), 6 Places
Load Capacity	Vertical: 2.2 lbs / 1 kg	Horizontal: 2.20 lbs / 1 kg Vertical: 0.11 lbs / 0.05 kg

Item #	PD1(/M) PD1V(/M) (Vacuum Compatible)	PD1D(/M)	PDX1(/M)	PD3(/M)
Positioning Performance	N/A	N/A	10 nm Optical Encoder Resolution	N/A
Mounting Holes	2-56 (M2), 4 Places 8-32 (M4), 6 Places	2-56 (M2), 4 Places #2 (M2) Counterbores, 2 Places 8-32 (M4), 4 Places #8 (M4) Counterbores, 2 Places	2-56 (M2), 4 Places 8-32 (M4), 6 Places	8-32 (M4), 16 Places
Load Capacity	Horizontal: 6.61 lbs / 3 kg Vertical: 0.22 lbs / 0.1 kg			Horizontal: 6.61 lbs / 3 kg Vertical: 0.22 lbs / 0.1 kg^a

Item #	NF15AP25(/M)	NFL5DP20(/M), NFL5DP20S(/M)	XR25X(/M) + PIA25	ELL17(/M), ELL17K(/M) (Stage + Controller)	ELL20(/M), ELL20K(/M) (Stage + Controller)	LPS710E(/M) (Stage + Controller)
Positioning Performance	Piezo Resolution: 0.6 nm (Theoretical)		N/A^b	Positioning Accuracy: 50 µm, Repeatability: 20 µm		Bidirectional Repeatability: ±0.03%
Mounting Holes	4-40 (M2), 5 Places 8-32 (M4), 1 Place	6-32 (M3), 4 Places 8-32 (M4), 4 Places 1/4"-20 (M6), 4 Places	1/4"-20 (M6 x 1.0) Taps, 22 Places	4-40 (M3), 4 Places 8-32 (M4), 1 Place		4-40 (M3), 4 Places
Load Capacity	Horizontal: 1.1 lbs / 0.5 kg Vertical: 0.55 lbs / 0.25 kg	Horizontal: 2.2 lbs / 1 kg Vertical: 1.1 lbs / 0.5 kg	Horizontal: 180 lbs / 81.9 kg Vertical: N/A	0.44 lbs / 0.2 kg		0.66 lbs / 0.3 kg

Item #	MVSN1(/M)	PLSX, PLSXY	XR25X(/M) + ZFS25B, XR25X(/M) + ZST225B	LNR25ZFS(/M)	LNR502(/M), LNR502E(/M)
Positioning Performance	On-Axis Accuracy: 50 µm Repeatability: 2 µm	Bidirectional Repeatability: 5 µm	Repeatability: <5.0 µm	On-Axis Accuracy: 15 µm	Bidirectional Repeatability: 3.9 µm (Standard) 0.75 µm (w/ Optical Encoding)
Mounting Holes	4-40 (M2 x 0.4), 4 Places 6-32 (M3 x 0.5), 4 Places	4-40, 4 Places (with PLST(/M) Top Plate: 1/4"-20 (M6) 9 Places, 8-32 (M4) 12 Places)	1/4"-20 (M6 x 1.0) Taps, 22 Places	1/4"-20 (M6), 7 Places	1/4"-20 (M6), 13 Places
Load Capacity	10 N	PLSX: Horizontal: 33.1 lbs / 15.0 kg Vertical: 8.0 lbs / 3.6 kg	Horizontal: 180 lbs / 81.9 kg Vertical: 2.2 lbs / 1.0 kg	Horizontal: 11 lbs / 5 kg Vertical: 1.1 lbs / 0.5 kg	Horizontal: 105 lbs / 48 kg Vertical: 22 lbs / 10 kg
Load Capacity	10 N	PLSXY: Horizontal: 31.8 lbs / 14.4 kg Vertical: 6.0 lbs / 2.7 kg	Horizontal: 180 lbs / 81.9 kg Vertical: 2.2 lbs / 1.0 kg	Horizontal: 11 lbs / 5 kg Vertical: 1.1 lbs / 0.5 kg	Horizontal: 105 lbs / 48 kg Vertical: 22 lbs / 10 kg

Item #	NRT100(/M)	NRT150(/M)	LTS150C(/M)	LTS300C(/M)	MLJ250(/M)
Positioning Performance	On-Axis Accuracy: 2.0 µm (Typical); 5.0 µm (Max)		Absolute On-Axis Accuracy: 20 µm Calibrated Accuracy: < ±5.0 µm		Unidirectional Repeatability: <10 µm
Mounting Holes	1/4"-20 (M6), 8 Places		1/4"-20 (M6), 16 Places		1/4"-20 (M6 x 1.0), 25 Places
Load Capacity	Horizontal: 44 lbs / 20 kg Vertical: 11 lbs / 5 kg		Horizontal: 33.1 lbs / 15 kg Vertical: 8.8 lbs / 4 kg		44 lbs / 20 kg

Item #	MT1-Z9 (MT1/M-Z9), MT3-Z9 (MT3/M-Z9)	PT1-Z9 (PT1/M-Z9), PT3-Z9 (PT3/M-Z9)	XR25X(/M) + Z925B	MTS25-Z8 (MTS25/M-Z8), KMTS25E(/M) (Stage + Controller)	MTS50-Z8 (MTS50/M-Z8), KMTS50E(/M) (Stage + Controller)
Bidirectional Repeatability	Uncompensated: 13 µm	Uncompensated: ±7 µm Compensated: ±0.8 µm	Uncompensated: ±7 µm Compensated: ±0.8 µm	1.6 µm
Mounting Holes	1/4"-20 (M6), 7 Places	1/4"-20 (M6), 16 Places	1/4"-20 (M6 x 1.0) Taps, 22 Places	4-40 (M3), 18 Places 8-32 (M4), 1 Place
Load Capacity	Vertical (Motor Pushing Down): 4.4 lbs (2.0 kg) Vertical (Motor Pushing Up): 10 lbs (4.5 kg) Horizontal: 20 lbs (9.0 kg)	Vertical (Motor Pushing Down): 7 lbs (3.2 kg) Vertical (Motor Pushing Up): 10 lbs (4.5 kg) Horizontal:20 lbs (9.0 kg)	Horizontal: 180 lbs / 81.9 kg Vertical: 3.3 lbs / 1.5 kg	Horizontal: 25 lbs / 12 kg Vertical: 10 lbs / 4.5 kg

Item #	M30X(/M)	M30XY(/M)	M150XY(/M)	KVS30
Bidirectional Repeatability	±1.0 µm		±0.25 µm	±0.12 µm
Mounting Holes	1/4"-20 (M6), 25 Places		1/4"-20 (M6 x 1.0 mm), 117 Places	1/4"-20 (M6), 25 Places 8-32 (M4), 16 Places
Load Capacity	Horizontal: 11.02 lbs / 5.0 kg Vertical: 4.41 lbs / 2.0 kg		22.0 lbs / 10 kg	15.4 lbs / 7.0 kg

Item #	DDS050(/M)	DDS100(/M)	DDS220(/M)	DDS300(/M)	DDS600(/M)
Bidirectional Repeatability	±1.5 µm		±0.25 µm
Mounting Holes	8-32 (M4), 10 Places 1/4"-20 (M6), 6 Places		4-40 (M3), 4 Places 8-32 (M4), 4 Places 1/4"-20 (M6), 5 Places	8-32 (M4), 16 Places 1/4"-20 (M6), 25 Places
Load Capacity	1.98 lbs / 0.9 kg		6.6 lbs / 3.0 kg	22.0 lbs / 10.0 kg