Everything you always wanted to know about dust collection but were
afraid to ask:
Pieces for roll your own cyclone (if you've not lived with a cyclone
you don't know why you want one, if you have then you wonder how you
lived without it):
You can also build one from scratch using the information on Bill's
site. If you're not used to working with sheet metal, go with the
Well, I know that the Delta systems come with a remote control and a
run timer so you can set it to continue to up to 2 hours after you
leave the shop and it will auto shut off. The flip side is that you
can slip into the shop start it filtering and after an hour you may be
able to paint in the shop.
A true cyclone system, is better than a trashcan cylone lid, which is
better than just going straight to a bag dust collector.
In moving from one shop to another I was surprised at the amount of
dust that got through a 4 to 6 micron bag. So if you do go with a
impeller to bag system think about placing it in a shielded box with a
couple of hepa filter or better to allow air out of the box.
If your cyclone has a good CFM it can work as a quick and dirty (sorry
for the pun) air cleaner. While sanding on a maple butcher block, I
observed a cloud of dust around where the sanding was taking place.
The sander wasn't hooked up to the dust collector, but there was a
blast gate near by. Opening the blast gate and turning on the system
the cloud went right up the overhead gate.
Actually the Onedia cyclone we have is in a seperate room. Still lots
of air flow through the shop. We still need the wall baseboard type
heaters we have in the shop.
On Fri, 1 Feb 2008 15:44:35 -0500, "J. Clarke"
It seems like your answer is confusing an air filtration unit with a dust
collector. Ideally, both are necessary. I use the dust collector to suck up
most of the sawdust that my machines generate and they are directly plumbed to
those machines via 4" tubing and dust gates. I also use a trashcan cyclone in
series with that collector to separate out the bigger chunks that find their way
to the 1 micron bag rather than through the impeller.
I've got a muffler installed on mine that quiets it down enough to where two
people can have a normal conversation without having to shout. Try that with a
shop vacuum! But I digress.
Then there is the situation with the airborne dust that seems to settle on
everything after you get done working. Since my woodshop is the far side of my
two bay garage and my car goes in the near bay, this can be annoying. It was
corrected with the air filtration unit that hangs from the ceiling. Mine
happens to be a JDS similar to this one:
(Amazon.com product link shortened)01911260&sr=1-1
I have remotes for both of these. I've hung a remote for the dust collector on
the table saw and another is velcroed to the bandsaw. The air cleaner's remote
is mounted on the wall by the door so I will remember to set its timer to 3
hours or so as I'm leaving the shop.
Between the two of them, I feel like I've got it handled.
If you're talking to me Mortimer, nope, you're preaching to the choir.
I have a delta air filtration unit and the Onedia cyclone dust
collector. The situation was that the sander wasn't hooked up to the
cyclone so was kicking up a lot of dust in my case.
On Fri, 1 Feb 2008 19:21:39 -0500, "Mortimer Schnerd, RN"
<mschnerdatcarolina.rr.com> wrote:>It seems like your answer is confusing an air filtration unit with a dust
Assuming you're talking about the kind that hang from the ceiling and
circulate air through filters...
Wood magazine did a pretty extensive test of them a while back. I
don't remember who they liked, but there was quite a spread in
performance. Worth looking for.
I'm not sure if this is the same test which included a homemade unit made
from a squirrle cage fan set inside a box with some filters at the intake
and output sides. There are a lot of choices from 3-M but I can't give you
a micron size so read the box. In one test that I read this type of filter
made a respectable showing. A unit this size doesn't hang from the ceiling,
of course. You add a timer switch and you're in business.
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