[sudo-discuss] air compressor and plasma cutter

[Cere Misc]

Holy shit!  Very interesting discussion starting here:
http://www.pirate4x4.com/forum/torchmate-cnc-forum/1005868-health-concerns-regarding-plasma-dust.html#post13745611

And the thread that follows!

Anecdotally, I have a friend who has done a lot of welding over the years
and he says he is able to detox (at least partially) by eating lots of
mushrooms and drinking lots of milk after a heavy welding job.  So that's
interesting...





On Wed, Apr 27, 2016 at 1:51 PM, Patrik D'haeseleer <patrikd at gmail.com>
wrote:

> Seems like for the CNC plasma cutters, a lot of people are really
> recommending a water table as being far more effective at eliminating the
> dust and smoke. See this thread, for example:
>
>
> http://www.pirate4x4.com/forum/torchmate-cnc-forum/1005868-health-concerns-regarding-plasma-dust.html
>
> Something to keep in mind...
>
> Patrik
>
> On Wed, Apr 27, 2016 at 1:16 PM, Jake <jake at spaz.org> wrote:
>
>> 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/public/ssimages/Weldscreen.JPG?itok=7_mJcT7d
>>
>> 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 at labitat.dk> wrote:
>>>
>>>
>>>       On Wed, Apr 27, 2016 at 1:44 AM, Jake <jake at 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 at lists.sudoroom.org
>>> https://sudoroom.org/lists/listinfo/sudo-discuss
>>>
>>>
>>>
>>>
>
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