[Noisebridge-discuss] Laser engraver needs to go back in the DJ booth

Davidfine d at vidfine.com
Thu Mar 15 15:35:40 UTC 2012

Maybe there is room for the sem in the dark room? I'm sorry you've spent time preparing the DJ booth, but the laser was there first and others spent a lot of time building ventilation. It was moved temporarily last month because of a water leak. If you purpose to undo that arrangement, you'd better offer to make another enclosed space with ventilation for the laser. 

Composed with one hand while the other writes angry letters toPlease excuse my brevity.

Alan Rockefeller <alanrockefeller at gmail.com> wrote:

> No, we should not put the Electron microscope in the DJ booth.

I really think we should put the SEM in the DJ booth.  The DJ booth is too small for the laser cutter.  And we have spent many hours getting the DJ booth ready for the SEM.  The DJ booth  is the best place for the SEM - It needs to be bolted to the concrete wall as far away from mission st. as possible to reduce vibration.  

> We NEED to put the laser engraver BACK in the DJ booth because we need to put it in a room where the pollutants that escape it can easily be evacuated outside, easily, with a huge array of fans. There are many things that can be done to more efficiently evacuate pollutants. We found recently that turning off the fan on the back of the laser cutter and using only the fan in the ceiling greatly reduces the amount of laser exhaust that gets into the air. The fan on the back of the laser was pressurizing the exhaust, which lead to leakage. > Because people will laser engrave shit in it that is POISONOUS! We need to put the laser engraver someplace where we can control it's fumes. The fumes can be controlled in many different ways no matter where the laser engraver is. If the current exhaust system is not good enough, we can add a turbine on the roof to pull the air much faster. When the laser cutter has significant negative pressure, you can not smell it even when standing rig!
 ht over

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