Re: [sudo-discuss] air compressor and plasma cutter

please see my last post about the ventilation plan. as for eye protection, as long as people don't stare at the arc without eye protection it shouldn't be a problem. That said, if people want to make a welding curtain like Crucible uses, it's not a terrible idea: http://goffscurtainwalls.com/sites/default/files/styles/slideshow_display/p… by the way, here's a picture of the plasma cutter: http://i.imgur.com/Y31qhDs.jpg On Wed, 27 Apr 2016, Patrik D'haeseleer wrote: We should definitely disallow cutting of any stainless steel, which > causes dangerous hexavalent chromium dust. For those of you with the blank > stares, hex chromium is the > pollutant linked to dozens of cancer cases in the Erin Brokovich movie, > a dramatized account of an infamous case where PG&E wound up paying out a > third of a billion dollars > in damages. > > We should probably ban any galvanized metals as well. Zinc fumes are > nasty. Nickel in stainless steel is a concern as well. So is the cadmium > and manganese in some grades of > steel. > > The upshot is that we probably shouldn't be doing any plasma cutting > without some serious ventilation. And eye protection of course - a welding > curtain or screen might be > good to have. > > Patrik > > PS: We've been discussing the possibility of doing water testing for > metal contaminants in CCL. But having a plasma cutter spewing metal oxides > into the air on the other > side of the room may very well make that impossible... > > On Wed, Apr 27, 2016 at 2:26 AM, Marc Juul <juul(a)labitat.dk> wrote: > > > On Wed, Apr 27, 2016 at 1:44 AM, Jake <jake(a)spaz.org> wrote: > BUMP > > we got the plasma cutter working! But the air compressor is > still messed up. We took it apart three times trying to fix the check > valve, but it > simply didn't work. > > > I love plasma cutters but how are we going to safely use one indoors? > I'm not sure anyone wants to breathe clouds of metal oxides: > > > http://www.hgcodedwelding.com/hg-coded-welding-blogs/plasma-cutting-danger > > -- > marc/juul > > _______________________________________________ > sudo-discuss mailing list > sudo-discuss(a)lists.sudoroom.org > https://sudoroom.org/lists/listinfo/sudo-discuss > > > >