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This is a lab jack, which is a height adjustable platform ideal for mounting optomechanical sub-assemblies, which require height adjustment.
This component is part of the Open-source optics project, whose goal is to radically reduce the cost of scientific optical hardware: by the [Michigan Tech's Open Sustainability Technology Research Group]( http://www.mse.mtu.edu/MOST).
For similar see the Open-Source Lab How to Build Your Own Hardware and Reduce Research Costs
Lab jacks cost between about $30 and several hundred dollars. Use the OpenSCAD files to customize it for your application, print on your favorite open source 3-D printer and enjoy for a few bucks.
This works well and can get a good quality z-axis small change for any standard optical arrangement. However, the gearing is a bit sticky so will need improved if you are going to automate with lots of precise height changes.
Full information here on appropedia
Thanks to Nick for the designs and GregFrost for the gears.
This component is part of the Open-source Optics Library: Zhang C, Anzalone NC, Faria RP, Pearce JM (2013) Open-Source 3D-Printable Optics Equipment. PLoS ONE 8(3): e59840.
This is part of a larger project to reduce the cost of scientific equipment using open-source hardware. Read more here
Open-source lab jack by jpearce is licensed under the Creative Commons - Attribution - Share Alike license.
So what's this mean?
We're sure jpearce would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!