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Project/LaserTrophy: Difference between revisions
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imported>Stever (Wall mounting project for the old laser tube) |
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Some mounting clips to hold the laser tube were designed in OpenSCAD and produced using the [[Tools/ultimaker|3D printer]], they were screwed to the mounting board to hold the laser tube where the UV LEDs would be pointing as directly as possible at it.
After a phone call to the tech support line at [https://www.fastcolours.com/ FastColours], we bought some samples of Fluorescein and Rhodamine-B fluorescent dyes and mixed them up to make a water-based solution that glows bright orange/red under UV light. FastColours were very helpful with advise on suitable dyes to select and how to use them to get the best results, they also warned us that the dyes were incredibly concentrated. This proved to be very accurate as the 20 gram samples we got would probably have been enough to make up over 1000L of final solution! The UV dye was poured into the cooling channels of the old laser tube and the hoses capped with nylon plugs made on the [[Tools/metallathe|metal lathe]]. The tube was installed into the clips, secured with cable-ties as a backup in case the clips failed and then mounted above the laser cutter.
It's planned to add a small brass plaque listing some relevant information about the tube which will be made using the [[Tools/boxford|CNC milling machine]] in single-point engraving mode.
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