[Noisebridge-discuss] Shower current in front of the fab zone

jim jim at systemateka.com
Sat Jan 22 09:07:58 PST 2011


JS: my comments at bottom: 

On Fri, 2011-01-21 at 23:14 -0800, John Magolske wrote:
> * Albert Sweigart <asweigart at gmail.com> [110121 22:17]:
> > I was thinking of ways we could keep sawdust from coming out of the
> > dirty shop (aka Materials Fabrication Zone, aka Fab Zone), and how
> > about putting some more plastic up over the top areas but also
> > installing a shower curtain over the larger entrance? What are the
> > pros and cons? Is it even worth the effort?
> 
> I'm not sure how much that will help. Sawdust ends up drifting
> everywhere. Particularly when using higher speed circular saws and
> when cutting materials like MDF. A curtain might keep the sawdust a
> bit more localized...but curtains also become surfaces for sawdust to
> collect on, and they end up behaving as time-release dust emitters
> when ruffled by breezes.
> 
> And then there's the issue of the shop itself becoming a dustbowl.
> 
> I spent an evening cleaning up the shop a few weeks back & ended up
> with an allergic reaction from the clouds of dust that arose whenever
> moving something around (felt sick for a day & a half). A friend of
> mine stopped by for 15-20 minutes, just standing in the shop area &
> talking -- she felt an allergic reaction after leaving the space.
> 
> The solution to sawdust is to collect it at the source as it is
> generated:  http://en.wikipedia.org/wiki/Dust_collection
> Small shop-vac sized units (with a HEPA filter) can be had for ~$400.
> I'd like to set up some sort of funding to obtain a couple of these
> and make it easy and clear for folks to use them whenever making
> sawdust. The existing shop-vacs are not good candidates, as they are
> somewhat leaky in terms of not hanging on to all the dust they pick
> up, pumping fine dust into the air. And they are way too noisy.
> 
> Something else to consider: use tools like reciprocating sabre saws
> which cut at somewhat slower speeds, tending to make courser dust and
> not fling it so far. This makes it possible to sweep up a pile, rather
> than seeing a gazillion surfaces nooks & crannies get coated with
> layers of fine noxious dust.
> 
> I'm interested in helping sort out a strategy for acquiring the above
> mentioned dust-collection units, as well as other needed items such
> as a flammables cabinet, non-slip floor mats, and storage bins for
> hardware and supplies. If anyone's interested in participating in such
> strategizing, please let me know.
> 
> John
> 
JS: i'm interested in this. i like the idea of continuing this 
thread on noisebridge-discuss. 

noise: i'm interested in putting up some kind of dampening 
structure in the dirty shop, probably at the tops of the walls 
and on the ceiling, to reduce the noise so that outside of the 
dirty shop it's less obnoxious. dampening would probably work 
best in reducing high frequencies, but the effect might be 
worth the effort, and i'd be willing to put in some effort 
just for the learning. 

dust: the fewer the surfaces, and the smoother the surfaces, 
the easier it is to clean up residue including metal filings 
and other stuff. this implies an approach such as cupboards 
and drawers and, more generally, having no tools and supplies 
sitting on the work surfaces or on the floor and putting some 
kind of doors over the shelves. 
    Move the reciprocal saws and other cutting alternatives 
to a prominent location. 
    Move the circular saws to some obscure storage area. 
Arrange a particular area for circular saw work with some 
local dust management including some kind of baffling to 
help contain dust within the area along with a vacuum dust 
collector, maybe with a power outlet for the saw and a 
switch that turns on the vacuum when the saw is powered up. 

doors: there have been a few suggestions for doors. assuming 
they're a good idea, john's comments suggest stiff, smooth 
surfaced doors made of a material or painted with a coating 
that has a small electrostatic affinity for dust. 

    all of that is a lot of work, of course. seems to me 
good to consider any work at all as a lot and arrange some 
times for a team to do it, whatever "it" turns out to be. 




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