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25 mm (0.98") Stepper Motor Translation Stage, Crossed Roller Bearings


  • All-Steel Stage with 25 mm (0.98") of Travel
  • Stepper Motor Actuator for Precise Motion and High Load Capacity
  • TravelMax Stage with Crossed Roller Bearings

LNR25ZFS

25 mm (0.98") Stepper Motor Translation Stage

LNR25P2

Angle Bracket

Two LNR25ZFS Stages Mounted in an XY Configuration on an LNR25P1 Base Plate

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LNR25ZFS(/M) Specificationsa
Travel 25 mm (0.98")
Horizontal Load Capacityb 5 kg (11 lbs)
Vertical Load Capacity 0.5 kg (1.1 lbs)
Runout Over Full Range ±1.5 µm
Max Velocityc 2.0 mm/s
Max Accelerationc 1.0 mm/s2
Calculated Minimum
Incremental Movement
0.46 nm
Absolute On-Axis Accuracy 15 µm
Bidirectional Repeatability 3.0 µm
Home Switch Accuracy <5.0 µm
Bearings Crossed Roller
Body Construction All Steel
Weight (Including Actuator) 0.73 kg (1.61 lbs)
  • See the Specs Tab for Additional Specifications
  • Applies to Horizontal Movement Regardless of Stage Orientation
  • At Maximum Load

Compatible
Controller:
KST101

  • 49,152 Microsteps per Revolution
  • 15 V Output at 12 W
  • Trapezoidal and
    'S-Curve' Velocity Profiles

Features

  • 25 mm (0.98") Travel
  • Compact, Bi-Polar Stepper Motor Actuator
  • Rugged, Thermally Matched, All-Steel Stage
  • Right- or Left-Handed XYZ Configurable

Thorlabs' LNR25ZFS Stepper Motor Translation Stage offers 25 mm (0.98") of electronically controlled linear motion along a well-defined axis. This stage offers excellent stability and high horizontal load capacity, making it an ideal solution for all translation applications. This stage, based on the LNR25 TravelMax Manual Stage, has a rigid, all-steel design and heavy-duty cross-roller bearings for uniform performance over the entire range of motion. The performance of the stage is further enhanced by using thermally matched materials that ensure stable, smooth performance.

Compact Stepper Motor Actuator
The LNR25ZFS is fitted with the ZFS25B Compact Stepper Motor Actuator, which provides smooth, precise linear motion control in a sleek, compact package. Powered by a small-diameter, dual-phase stepper motor, this actuator operates at speeds of up to 2.0 mm/s at maximum load. The non-rotating drive tip reduces wear and friction and improves smoothness of motion by removing rotational contact at the tip. If power is not supplied to the actuator, manual adjustment is accomplished using the rear-located thumbscrew.

This stepper motor provides sufficient torque for horizontal motions with loads up to 5 kg (11 lbs). The actuator allows very small step sizes over the entire travel range, delivering greater flexibility with a fine resolution. The design incorporates a 400:9 gear reduction head which, when combined with the 49,152 microsteps per revolution offered by the KST101 stepper motor driver, gives a theoretical travel per microstep of 0.46 nm (see the Specs tab for details).

Hall effect limit switches prevent the unit from being overdriven and provide homing capability with an accuracy of <5.0 μm. The LNR25ZFS ships with 0.6 m (2 ft) of cable terminated in a 15-pin D-Type connector (see the Pin Diagrams tab) that is compatible with our KST101 stepper motor controller.

Please note that we do not recommend this stepper motor for vacuum applications; for this application we recommend using our Z825BV Vacuum-Compatible DC Motor Actuator.

Motorized Linear Translation Stages
12 mm Standard
25 mm Compact
Standard
TravelMax
50 mm Compact
Direct-Drive Servo
TravelMax
Long Travel: 100 mm to 300 mm

Wide Range of Mounting Options
The TravelMax™ was designed with flexibility and functionality in mind. The top surface of the LNR25ZFS stage is equipped with an array of seven 1/4"-20 (M6) tapped holes to maximize the mounting options for moving components. Two through holes in the top platform give access to two 1/4" (M6) counterbored holes that allow the stage to be bolted directly to the work surface. The position of the actuator mounting blocks is easily reconfigured to allow left-hand or right-hand use.

LNR25P1
Click to Enlarge

LNR25P1 Base Plate
LNR25P2
Click to Enlarge

LNR25P2 Angle Bracket

The LNR25P1 base plate, shown to the left, provides additional mounting options and provides extra clearance between the stage and the work surface. Counterbored clearance holes match up to the tapped holes in the base of the stage, permitting mounting in two orthogonal orientations. This plate is compatible with both the imperial and metric versions of the LNR25ZFS(/M) stage. The plate measures 100 mm x 195 mm x 10 mm (3.9" x 7.7" x 0.47") [L x W x H], ships with two dowel pins, and includes four alignment holes to ensure mounting orthogonality.

Multiple LNR25ZFS series stages can be bolted together in XY, XZ, YZ, or XYZ configurations for applications where movement is required in more than one axis. The LNR25P2 angle bracket, shown to the left, provides the vertical mounting necessary for movement in the Z direction. Again, this bracket is compatible with both the imperial and metric versions of the LNR25ZFS(/M) stage. The plate is shipped with four dowel pins and includes four alignment holes on each face to ensure orthogonality when mounting stages.

Controller Options
The LNR25ZFS stage is compatible with the KST101 K-Cube™ Stepper Motor Controller, available below. The KST101 provides control for a single axis, with or without a PC. Thorlabs' Kinesis® or legacy APT™ software packeges supply out-of-the-box stage control from a PC and enable support for common programming interfaces like LabVIEW, LabWindows, and ActiveX. Thorlabs' benchtop stepper motor controllers and legacy T-Cube™ TST001 stepper motor controllers cannot be used to drive the stage.

Resolution Calculation

The ZFS series of motors has 24 full steps per revolution, and when driven by the KST101 drivers, there are 2048 microsteps per full step, giving 49,152 microsteps per revolution of the motor. The output shaft of the motor goes into a 400:9 gear head. This requires the motor to rotate 44.445 times to rotate the 1.0 mm pitch lead screw one revolution. The end result is the lead screw advances by 1.0 mm.


Linear displacement of the lead screw per microstep:

Number of Microsteps x Gearbox Ratio = 49,152 x 44.445 = 2184560.64

The linear displacement of the lead screw per microstep is

1.0 mm / 2184560.64 = 0.46 x 10-6 mm = 0.46 nm

LNR25ZFS Specifications

Specification Value
Translation
Travel 25 mm (0.98")
Absolute On-Axis Accuracy 15 µm
Bidirectional Repeatability 3.0 µm
Home Location Accuracy <5.0 µm
Max Velocitya 2.0 mm/s
Acceleration 1.0 mm/s2 (Max)
Stage
Horizontal Load Capacityb 5 kg (11 lbs)
Vertical Load Capacity 0.5 kg (1.1 lbs)
Runout Over Full Range ±1.5 µm
Bearings Crossed Roller
Body Construction All Steel
Actuator
Gearbox Ratio 400:9 (Approx 44:1)
Limit Switches Hall Effect
Lead Screw Pitch 1.0 mm
Motor Type 2-Phase Stepper
Microsteps per Revolution
of the Motor
24 Full Steps, 2048 µsteps per Full Step
49,152 µsteps per Revolution
Calculated Minimum
Incremental Movement
0.46 nm
Cable Length 0.6 m (2 ft)
Connector HDDB15
Compatible Controller KST101
Physical
Operating Temperature 5 to 40 °C (41 to 104 °F)
Dimensions (L x W x H)c 133.0 mm x 95.0 mm x 20.0 mm
(5.24" x 3.74" x 0.79")
Weight (Including Actuator) 0.73 kg (1.61 lbs)
  • At Maximum Load
  • The load capacity is limited by the actuator. The horizontal load capacity applies to horizontal movement, regardless of whether the stage is mounted flat on the table or vertically on its edge.
  • When Stage is Fully Retracted

Connector Pin Out

Schematic
PinDescriptionPinDescription
1 Limit Ground 8 Reserved for Future Use
2 CCW Limit Switch 9 Reserved for Future Use
3 CW Limit Switch 10 Vcc (5 V DC)
4 Motor Phase B- 11 Reserved for Future Use
5 Motor Phase B+ 12 Reserved for Future Use
6 Motor Phase A- 13 Reserved for Future Use
7 Motor Phase A+ 14 Reserved for Future Use
    15 Ground
Connector_Image

Thorlabs offers two platforms to drive our wide range of motion controllers: our Kinesis® software package or the legacy APT™ (Advanced Positioning Technology) software package. Either package can be used to control devices in the Kinesis family, which covers a wide range of motion controllers ranging from small, low-powered, single-channel drivers (such as the K-Cubes™ and T-Cubes™) to high-power, multi-channel, modular 19" rack nanopositioning systems (the APT Rack System).

The Kinesis Software features .NET controls which can be used by 3rd party developers working in the latest C#, Visual Basic, LabVIEW™, or any .NET compatible languages to create custom applications. Low-level DLL libraries are included for applications not expected to use the .NET framework. A Central Sequence Manager supports integration and synchronization of all Thorlabs motion control hardware.

Kinesis Software
Kinesis GUI Screen
APT Software
APT GUI Screen

Our legacy APT System Software platform offers ActiveX-based controls which can be used by 3rd party developers working on C#, Visual Basic, LabVIEW™, or any Active-X compatible languages to create custom applications and includes a simulator mode to assist in developing custom applications without requiring hardware.

By providing these common software platforms, Thorlabs has ensured that users can easily mix and match any of the Kinesis and APT controllers in a single application, while only having to learn a single set of software tools. In this way, it is perfectly feasible to combine any of the controllers from single-axis to multi-axis systems and control all from a single, PC-based unified software interface.

The software packages allow two methods of usage: graphical user interface (GUI) utilities for direct interaction with and control of the controllers 'out of the box', and a set of programming interfaces that allow custom-integrated positioning and alignment solutions to be easily programmed in the development language of choice.

A range of video tutorials is available to help explain our APT system software. These tutorials provide an overview of the software and the APT Config utility. Additionally, a tutorial video is available to explain how to select simulator mode within the software, which allows the user to experiment with the software without a controller connected. Please select the APT Tutorials tab above to view these videos, which are also available on the software CD included with the controllers.

Software

Kinesis Version 1.14.18

The Kinesis Software Package, which includes a GUI for control of Thorlabs' Kinesis and APT™ system controllers.

Also Available:

  • Communications Protocol
Software Download

Software

APT Version 3.21.4

The APT Software Package, which includes a GUI for control of Thorlabs' APT™ and Kinesis system controllers.

Also Available:

  • Communications Protocol
Software Download

These videos illustrate some of the basics of using the APT System Software from both a non-programming and a programming point of view. There are videos that illustrate usage of the supplied APT utilities that allow immediate control of the APT controllers out of the box. There are also a number of videos that explain the basics of programming custom software applications using Visual Basic, LabView and Visual C++. Watch the videos now to see what we mean.

  Click here to view the video tutorial  

To further assist programmers, a guide to programming the APT software in LabView is also available.

Labview Icon Click here to view the LabView guide Labview Icon

The table below compares the key specifications of our 25 mm (0.98") linear translation stages. Additional specifications are listed in the Specs tab on the webpage of the particular stage.

Item #MTS25-Z8 (MTS25/M-Z8)PT1-Z8 (PT1/M-Z8)LNR25ZFS
Travel Range 25 mm (0.98") 25 mm (0.98") 25 mm (0.98")
Calculated Minimum Incremental Movement 29 nm 29 nm 0.46 nm
Bidirectional Repeatability 1.6 µm <1.5 µm 3.0 µm
Absolute On-Axis Accuracy 145 µm <130 µm 15 µm
Horizontal Load Capacity (Max) 25 lbs (12 kg) 20 lbs (9 kg) 5 kg (11 lbs)
Vertical Load Capacity (Max) 10 lbs (4.5 kg) 10 lbs (4.5 kg) 0.5 kg (1.1 lbs)
Velocity (Max) 2.4 mm/s 2.6 mm/s 2.0 mm/s
Mounting Features Eighteen 4-40 (M3) Taps and
One 8-32 (M4) Tap
Sixteen 1/4"-20 (M6) Taps and
Two 1/4" (M6) Counterbores
Seven 1/4"-20 (M6) Taps and
Two 1/4" (M6) Counterbores
Included Actuator Built-In DC Servo Z825B DC Servo ZFS25B Stepper Motor
Cable Length 500 mm (1.64 ft) 500 mm (1.64 ft) 600 mm (2 ft)
Physical Dimensionsa (L x W x H) 5.31" x 1.69" x 0.87"
(134.9 mm x 42.9 mm x 22.1 mm)
9.89" x 3.00" x 0.80"
(251.2 mm x 76.2 mm x 20.3 mm)
5.24" x 3.74" x 0.79"
(133.0 mm x 95.0 mm x 20.0 mm)
  • When Stage is Fully Retracted

Posted Comments:
jan.obrzut  (posted 2018-11-08 15:20:57.543)
I need to program the stage from Agilent VEE by sending a text cmd to serial port associated with the device. Will that be possible? -Jan Obrzut
rmiron  (posted 2018-11-15 07:29:21.0)
Response from Radu at Thorlabs: Hello Jan. You can control the stage from Agilent VEE by using our APT serial communications protocol. However, the commands making up this protocol are not text commands, but rather arrays of hex bytes (int8 data type). The documentation of the aforementioned protocol can be found here: https://www.thorlabs.com/Software/Motion%20Control/APT_Communications_Protocol.pdf I will contact you directly in case further assistance is required.
wenzel.jakob  (posted 2018-01-09 19:44:22.76)
I was wondering if the BSC* series (e.g. BSC201) controllers can also be used to drive the LNR25ZFS?
AManickavasagam  (posted 2018-01-10 11:44:47.0)
Response by Arunthathi at Thorlabs: Thank you for your query. The BSC series controllers are not compatible with LNR25ZFS.
bluewhale  (posted 2017-05-06 16:02:58.2)
I would like to know the uni-directional repeatability. The LNR25ZFS has very high Minimum incremental movement. But Bi-directional repeatability seems to be very high compared to its minimum incremental movement. Could you explain how this big difference comes from? and how long incremental movement do you guarantee for the uni-directional repeatability.
bwood  (posted 2017-05-08 09:59:52.0)
Response from Ben at Thorlabs: Thank you for your feedback. The minimum incremental movement we specify is a calculated figure based on the displacement of the leadscrew of one microstep of the motor of the ZFS actuator. While this figure is useful when considering how many microsteps there are in a given movement, it is, for many physical reasons, not realistic to achieve a single movement of 0.46 nm with the stage. The actual performance of the stage is influenced by issues such as low velocity stalling due to torque hotspots of the motor caused by imperfections of the lead screw bearings, the load of the stage and heat expansion. Thus we specify the bidirectional repeatability, which is a more realistic view of the performance of the stage. As the stage has backlash correction, the uni-directional repeatability will be similar to the bi-directional repeatability.
michail.symeonidis  (posted 2016-05-03 17:48:58.24)
I would like to ask if the orientation of the stage effects the (vertical) load capacity. To be more precise what is the load capacity if the stage is mounted perpendicular to the x-y plane, but travels along the y (not z) axis. Thank you for your time and support
msoulby  (posted 2016-05-04 10:06:57.0)
Response from Mike at Thorlabs: The vertical load capacity is dictated by the actuator used, rather than the stage bearings. So, the horizontal load capacity will apply for horizontal motion, irrespective of whether the stage is mounted on its edge or on its base. The vertical load capacity applies to vertical movement only.
haitao  (posted 2015-04-07 06:52:21.457)
Dear Sr/Madam, I am finding a vacuum compatible stage with low profile and travel length. I saw this stage is made of steel, so I wonder whether it is vacuum compatible. Do you have custom vacuum compatible stages? If you have another stage which is vacuum compatible, please tell me. Looking forward to your response! Thanks! Best, Haitao Harvard University
bhallewell  (posted 2015-04-09 06:53:27.0)
Response from Ben at Thorlabs: Thank you for your question here. In terms of exclusively designed high vacuum compatible products, we produce the Z825BV DC Servo vacuum-compatible actuator which can be fitted with a Custom prepared PT1 stage for use in such an environment. Further details of this can be found in the following link. http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=1883 The LNR25ZFS/M is coated with a red anodised finish & this would not be suitable for vacuum use.

25 mm (0.98") Stepper Motor Translation Stage

  • LNR25ZFS(/M) Provides 25 mm (0.98") of Motorized Motion
  • Stepper Motor Actuator for Smooth, Precise Linear Motion
  • Controller and Power Supply Sold Separately

Thorlabs' LNR25ZFS(/M) Stepper Motor Translation Stage provides 25 mm (0.98") of linear motion. An array of seven 1/4"-20 (M6) tapped holes allows easy integration with a wide variety of common optomechanical setups. The stage features rigid, all-steel construction and heavy-duty cross-roller bearings for excellent stability and high load capacity. The stage requires a controller unit and power supply to operate. For this purpose, we recommend our KST101 K-Cube™ Stepper Motor Controller, which is described in more detail below. A mounting base plate and a vertical mounting bracket for the stage are available below.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
LNR25ZFS Support Documentation
LNR25ZFS25 mm Linear Translation Stage with Stepper Motor Actuator, 1/4"-20 Taps
$1,773.41
Today
+1 Qty Docs Part Number - Metric Price Available
LNR25ZFS/M Support Documentation
LNR25ZFS/M25 mm Linear Translation Stage with Stepper Motor Actuator, M6 Taps
$1,773.41
5-8 Days

Mounting Accessories

  • Mount LNR25ZFS(/M) Stages and Build Multi-Axis Configurations
  • Universal Accesories for Imperial and Metric Stages
  • Dowel Pins for Accurate Alignment

The LNR25P1 Base Plate and LNR25P2 Angle Bracket are mounting accesories for the LNR25ZFS(/M) Stage. The LNR25P1 base plate has four counterbored clearance holes for mounting the LNR25ZFS in two orthogonal orientations. The LNR25P2 angle bracket provides a vertical mounting surface for construction of an XZ, YZ, or XYZ configuration. These mounting accessories are compatible with both the imperial and metric versions of the translation stage.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
LNR25P1 Support Documentation
LNR25P1Base Mounting Plate for LNR25 Stage
$98.50
Today
LNR25P2 Support Documentation
LNR25P2Vertical Mounting Bracket for LNR25 Stage
$123.97
Today

K-Cube™ Stepper Motor Controller


Click to Enlarge

KCH301 USB Controller Hub (Sold Separately) with Installed K-Cube and T-Cube™ Modules (T-Cubes Require the KAP101 Adapter)
  • Front Panel Velocity Wheel and Digital Display for Controlling Motorized Stages or Actuators
  • Two Bidirectional Trigger Ports to Read or Control External Equipment
  • Interfaces with Computer Using Included USB Cable
  • Fully Compatible with Kinesis® or APT™ Software Packages
  • Compact Footprint: 60.0 mm x 60.0 mm x 49.2 mm (2.36" x 2.36" x 1.94")
  • Power Supply Not Included (See Below)

Thorlabs' KST101 K-Cube™ Stepper Motor Controller provides local and computerized control of a single motor axis. It features a top-mounted control panel with a velocity wheel that supports four-speed bidirectional control with forward and reverse jogging as well as position presets. The digital display on the top panel includes a backlight that can be dimmed or turned off using the top panel menu options. The front of the unit contains two bidirectional trigger ports that can be used to read a 5 V external logic signal or output a 5 V logic signal to control external equipment. Each port can be independently configured. 

The unit is fully compatible with our new Kinesis software package and our legacy APT control software. Please see the Motion Control Software tab for more information.

Please note that this controller does not ship with a power supply. Compatible power supplies are listed below.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
KST101 Support Documentation
KST101K-Cube Stepper Motor Controller (Power Supply Not Included)
$657.68
Today

Compatible Power Supplies

photo of power supply adapters
Click for Details

A location-specific adapter is shipped with the power supply unit based on your location. The adapters for the KPS101 are shown here.
photo of power supply options
Click to Enlarge

The KPS101 Power Supply Unit
  • Individual Power Supply
    • KPS101: For K-Cubes™ or T-Cubes™ with 3.5 mm Jacks
  • USB Controller Hubs Provide Power and Communications
    • KCH301: For up to Three K-Cubes or T-Cubes
    • KCH601: For up to Six K-Cubes or T-Cubes

The KPS101 power supply outputs +15 VDC at up to 2.4 A and can power a single K-Cube or T-Cube with a 3.5 mm jack. It plugs into a standard wall outlet.

The KCH301 and KCH601 USB Controller Hubs each consist of two parts: the hub, which can support up to three (KCH301) or six (KCH601) K-Cubes or T-Cubes, and a power supply that plugs into a standard wall outlet. The hub draws a maximum current of 10 A; please verify that the cubes being used do not require a total current of more than 10 A. In addition, the hub provides USB connectivity to any docked K-Cube or T-Cube through a single USB connection.

For more information on the USB Controller Hubs, see the full web presentation.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
KPS101 Support Documentation
KPS10115 V, 2.4 A Power Supply Unit with 3.5 mm Jack Connector for One K- or T-Cube
$34.33
Today
KCH301 Support Documentation
KCH301USB Controller Hub and Power Supply for Three K-Cubes or T-Cubes
$509.54
Today
KCH601 Support Documentation
KCH601USB Controller Hub and Power Supply for Six K-Cubes or T-Cubes
$616.70
Today
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