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dyne posted:Why can't they just filter the exhaust through a bunch of activated charcoal granules? At our hackerspace, this is exactly what we do. We bought a giant charcoal filter from a  Hydroponic Supply Store , and ran the laser through that. We still vent it outside for the smoke, but that allows us to vent directly over an outside sidewalk without complaints from the other tenants in the building. Works great, can't smell a thing, and the filter is still high-flow. We have to change out the charcoal every 3 months or so with heavy use. We have an airflow switch inline with the safety cut-off, so the laser won't fire unless there's sufficient airflow through the filter.We've actually got a smaller (40w, ~8x12) laser on a fancy official laser filter device, venting indoors. It's just a giant bed of charcoal, plus a HEPA filter. No odor, no smoke from that one at all.
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Oct 12, 2015 13:46
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huhu posted:Would this material be decent for laser cutting? I've had really mixed results with Hardboard. I've bought sheets that cut beautifully, like butter, and I've had sheets that char, and make a mess, and are impossible to work with. That said, if you're working with >40 watts, probably no problem at all.
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Jun 29, 2016 22:45
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