Exhaust hose adapter for HPC & Full Spectrum Laser cutters
by tiefpunkt, published
The standard exhaust fans that come with these lasercutters are not all that great. They are inefficient, leaky, have a non-standard hose fitting, and block access to the back laser compartment. This adapter allows you to fit a standard exhaust hose to the laser, which can then be connected to some proper air filtration equipment.
It was created by Alexander Brock in the RaumZeitLabor hackerspace in Mannheim, Germany, for their FS laser cutter.
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We made one of these for our FS laser as well; I don't think anyone thought to post to thingiverse at the time though. Be sure if you're venting, to put the fan, etc at the end of the pipe. You don't want positive air pressure at any point inside the premises, as even the tiniest of leaks, and you can smell acrylic, etc.
I think we also used rubber cement on the inside of ours in order to help achieve air tightness.
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* Glue the parts together.
* Fit a 100mm exhaust hose fitting to the back, using glue and screws.
* Seal all corners from the inside with silicone.
* Optional: Apply some thick foam tape (don't know the proper english word for it, sorry) to the side that sits on the laser case for extra sealing.
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