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Products Home / Optomechanical Components / Optical Rails / Dovetail Optical Rails / Dovetail Optical RailsDovetail Optical Rails
- Dovetail Rails Designed for Our Snap-On Carriers
- Stock Lengths from 3" to 24"
(Metric Lengths: 75 - 600 mm)
RLA0300
RLA2400
RLA075/M
Metric Indicator
Next to Counterbore
Laser-Engraved Scale
Counterbored 1/4" (M6)
Slots and Holes
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| RLA Dovetail Rail Accessories | ||||
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| Rails | Rail Carriers | Rail Carrier Positioners |
Mounting | Cage Mounting |
Click to Enlarge RC1 and RC3 rail carriers and a DT12 miniature dovetail stage mounted on a dovetail rail.
Features
- Dovetail Design Accommodates Our Snap-On Rail Carriers
- Compact Profile: 0.38" x 0.75" (9.5 mm x 19.1 mm)
- Stock Lengths Range from 3" to 24" (Metric Lengths: 75 - 600 mm)
- Laser-Engraved Scale for Precise Construction
- Ends 8-32 (M4) Tapped
Thorlabs' RLA Optical Rails are our smallest option for building stable, rigid mechanical assemblies. They consist of extruded lengths of aluminum with a dovetail mounting surface that accommodates our snap-on rail carriers. Objects are easily slid along this dovetail before being secured. These rails measure only 0.75" (19.1 mm) wide and are available from stock in lengths ranging from 3" - 24" (metric lengths: 75 - 600 mm).
These dovetail rails offer numerous 1/4" (M6) counterbored holes for mounting flexibility. The end of each rail is 8-32 (M4) tapped for vertical mounting. Rails 12" (300 mm) and longer offer mounting slots to provide additional mounting options. As shown in the image at the top of the page, the rails are laser engraved with graduations every 1.0 mm and labels every 10.0 mm for precise placement of optomechanical hardware.
Thorlabs' product family for RLA dovetail rails includes our snap-on carriers as well as mounting accessories. Together with spacer sets and table clamps that allow the rails to be mounted both horizontally and vertically, these tools provide a complete family of rigid, versatile buliding blocks suited for virtually any optomechanical setup.
| Posted Comments: | |
c
(posted 2015-02-11 10:21:47.5) Do you have any advice for mounting the rail straight onto an optical table? That is to match the axis of the rail with the line of holes of the optical table since there is a little play in the orientation as you screw the rail onto the table. cdaly
(posted 2015-02-12 02:01:28.0) Response from Chris at Thorlabs: There's no specified way to ensure it is aligned, but what I have found is useful when using these is to put a screw through a mounting hole at either end and thread them down into the table somewhat, deep enough that the head of the screw is in the counterbore but loose enough that the rail is still able to move about with the small amount of play that exists. Then you can apply a small pressure to one side of the rail so that the rail is in contact with both screws. Tighten them down while doing this and this should help aligned the rail parallel to the grid of holes, or at least more so than just mounting it to the table without doing so. LNicoletti
(posted 2014-04-14 18:29:36.723) Good morning,
I have a question on product RLA600/M. is it possible to attach two of them in order to make a 1200mm length?
thank you in advance
Luisa Nicoletti jlow
(posted 2014-04-17 10:43:59.0) Response from Jeremy at Thorlabs: We do not currently have a rail joiner for this. There are tapped holes on both ends of this and there's not really a good way to ensure good alignment when two rails tighten against each other. You can bolt one piece to the table and then adjust the position of the 2nd one until a rail carrier slides somewhat smoothly between the two. We can also offer the rails in longer lengths but without features like slots, holes, and anodization. gyg2101
(posted 2013-09-04 11:01:06.24) Hi,
I would like to automate a system based on your dovetail rails. Is there any way to "motorize" the rail carriers? I would need a couple of inches of computer-controlled motion.
guy jlow
(posted 2013-09-10 15:32:00.0) Response from Jeremy at Thorlabs: Unfortunately we do not have an easy way to motorized the dovetail optical rail carrier at this moment. You could possibly put a motorized stage on top of the rail, but that better on the 66mm rail than the RLA dovetail rails. I will get in contact with you directly to discuss about your application. tcohen
(posted 2012-02-22 17:15:00.0) Response from Tim at Thorlabs to Jiabin: Thank you for your interest in our dovetail optical rails. Unfortunately, we are currently unable to provide longer lengths than 600mm for this series. As an alternative, we are able to offer the XE25-CUSTRAIL/M up to 2000mm. We have contacted you with more information. jiabin.tuo
(posted 2012-02-20 11:54:52.0) I would like to buy a Dovetail Optical Rail for my test, I am wondering can I custom the length to 2000mm?
Thank you for your time.
Regards,
Jiabin |
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- Our Smallest Optical Rails for Compact Construction
- 8-32 (M4 x 0.7) Tapped Holes on Both Ends
- Compatible With Our Snap-On Rail Carriers
- Engraved Scale for Precision Alignment of Optical Elements
Our Dovetail Optical Rails are designed for the construction of stable one-dimensional assemblies. Objects can be secured in place anywhere along the dovetail mounting surface. The rail ends are tapped with 8-32 (M4 x 0.7) holes for compatibility with standard optomechanics.
These rails are offered from stock in lengths ranging from 3" to 24" (75 mm to 600 mm). They have engraved graduations every 1.0 mm and labels every 10.0 mm. These rails can easily be clamped to an optical table or breadboard using our CL6 table clamps, and are extremely compact.
 Dovetail Optical Rails |
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