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1" (25 mm) Travel Dovetail Stages


  • Dovetail Design for 1" (25 mm) of Smooth Motion
  • Lockable Translation Platform
  • Modular Design for Multi-Axis Configurations

Application Idea

XYZ Configuration Built with Three DTS25 Stages and a DTSA03 Angle Bracket Secured with CL6 Dovetail Clamps

DTS25

Front View

Back View with Locking Bracket

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Item #DTS25DTS25/M
Travel Range 1" 25 mm
Mounting Holes 1/4"-20 Taps
(13 Places)
M6 Taps
(13 Places)
Horizontal Load Capacity 88 lbs (40 kg)
Vertical Load Capacity 22 lbs (10 kg)
Top Surface Parallelism 1700 µrad
Angular Deviation ±150 µrad
Straightness Horizontal: ±10.00 µm
Vertical: ±5.00 µm
Stiffness Pitch: 200.00 µrad / N·m
Yaw: 725.00 µrad / N·m
Weight 0.53 lbs (0.24 kg)
Dimensions
(Including Actuator)
2.68" x 3.87" x 0.79"
(68.0 mm x 98.3 mm x 20.0 mm)

Click for Details

The DTSA02 Adapter Plate Increases the Stage Height to 30 mm

Features

  • 1" (25 mm) Travel
  • Array of 13 1/4"-20 (M6) Tapped Holes
  • XYZ Configurable with Dowel Pins for Orthogonality
  • Mounted to Optical Table using 1/4" (M6) Counterbores or CL6 Table Clamps (Sold Separately)

The DTS25(/M) dovetail translation stage is a compact positioner for use in general purpose motion control applications. It provides a travel range of 1" (25 mm) using a precision-rolled M6 x 1.0 mm pitch leadscrew for smooth linear positioning along the entire range of travel. The top surface of the DTS25(/M) stage is equipped with an array of thirteen 1/4"-20 (M6) tapped holes to maximize the mounting options for moving components. This moving platform is lockable via a side-located screw in a locking bracket to guard against accidental movement. A scale with 1/40" (1 mm) graduations is etched onto each side of the moving platform, with the edge of the locking bracket providing a reference for relative positioning. 

Mounting Options
The stage can be bolted directly to the optical table using four counterbored 1/4" (M6) holes that are revealed by translating the top plate of the stage to the proper position. Two of these mounting holes are accessed via clearance holes in the top plate, while the other two are directly accessible. Alternatively, the stage can be mounted using four CL6 clamps (two on each side) secured to the relief cut along the bottom of the stage, as shown in the picture at the top of the page. The DTSA01 and DTSA02 riser plates have four through holes and are designed to be placed between a mounting surface and the stage to increase the height of the system. The resulting stage height is 25 mm if the DTSA01 is in place or 30 mm if the DTSA02 is used.

Dovetail Translation Stages
1/2" (12.7 mm) Travel
1" (25 mm) Travel
2" (50 mm) Travel

Multi-Axis Configurations
The modular design of the DTS25(/M) allows multiple stages to be assembled in 2-axis and 3-axis configurations. Two dowel pins are included with each stage, and these can be used to ensure that orthogonality between the various translation directions is maintained during construction. In order to construct an XY configuration, two stages can be directly connected. For movement in the Z direction, the DTSA03(/M) angle bracket is required to mount a stage vertically. The bracket can be attached to a horizontal stage or optical table using four 1/4" (M6) counterbores and a stage can then be mounted vertically using four of eight 1/4"-20 (M6) tapped holes on the side of the bracket. 


Posted Comments:
julien.totems  (posted 2018-10-22 09:13:24.0)
I have used the DTS25/M to support a heavy mirror, (2.5 kg, still below the advertized acceptable load), and I find both the rigidity of the platform and the angular deviation while travelling to be severely below specifications. The former makes my mirror (center of mass 100 mm above platform) move ~2 mm depending on the orientation of gravity, and the latter is about +/-5 mrad (80 times specs!) when travelling one way or the other. I would advise against using this stage for any application requiring stability, despite what is advertized.
AManickavasagam  (posted 2018-10-23 10:34:19.0)
Response from Arunthathi at Thorlabs: Thanks for your feedback. I suppose it is more to do with the torque your set up may be creating on the stage. It would be helpful to know the center of mass of your setup so we could understand the torque exerted. A crossed roller bearing stage such as our LNR50 might be more suitable for your application.
michal.smid  (posted 2017-07-11 13:35:36.59)
Hi, is it possible to remove the leadscrew and attach a motorized actuator to the DTS25 stage? Thanks.
bhallewell  (posted 2017-07-12 10:19:48.0)
Response from Ben at Thorlabs: Thank you for your feedback. The adjustment drive is fixed in place with the leadscrew. I would advise taking a look at either our XR25 or LNR* series stages which have a removable adjuster. https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=10211 https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=4551
chuamemuk  (posted 2017-05-11 17:49:28.613)
Hi there, Could you please let us know the travel per revolution for the DT25? Thank you very much.
bwood  (posted 2017-05-12 05:38:09.0)
Response from Ben at Thorlabs: Thank you for using our feedback feature. The lead screw of the stage has a 1 mm pitch which means that the top platform will move 1 mm (0.04") per revolution of the adjuster
sean.whitehall  (posted 2013-05-27 12:33:29.16)
The description says the orientation of the drive adjustment knobs makes this stage unsuitable for Z-axis translation. Is this because the actuators are on both sides, or are there internal parts that do not function when mounted vertically? Could it be used for Z-axis if care were taken to give the actuators adequate space?
tcohen  (posted 2013-05-30 12:37:00.0)
Response from Tim at Thorlabs: You can use the stage in Z if you are sure to give the actuators space. However, in an XYZ with three DT25 our closest stock option would likely be the AP90 and lifting the stage in the vertical on the slots and using nuts. Otherwise it would have to be offset to line with the taps. Although not necessary, when the stage is fully actuated it is typically easier to reach the knobs on one side over the other, which might need to be factored in when designing your spacing as well. Depending on your needs, our PT1 may be a better solution. I will contact you to discuss this further.
Tyler  (posted 2008-08-12 17:36:36.0)
A response from Tyler at Thorlabs to walter.allen: The XY configuration is created by purchasing two DT25 stages. The two stages can be easily assembled in an XY configuration because of their modular design and the included dowel pins that ensure that the stages are oriented perpendicular to each other. Thank you for your feedback, a note will be added to the presentation to clear up this issue.
walter.allen  (posted 2008-08-12 17:17:30.0)
Hello, I am unable to find the X-Y version of the two one inch travel dovetail slides. I have tried everything I can think of but no luck! What am I doing wrong?

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
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DTSA02 Support Documentation
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