[TheForge] Acoustical baffling for compresor

[Mark & Sylvia Mondloch]

When I first got my compressor I had trouble with the filters plugging with
dust because of my dirt floor.Since than I have built a room for the
compressor.But what I did was ran a large hose from the intake to a filter
box.It quieted the compressor down quite a bit.Could probably line the box
with sound tile.Mark


---
Mark & Sylvia Mondloch
Silver Creek Pottery & Forge
W6725 Hwy 144
Random Lake ,Wi 53075
HotArt at silvercreekpottery.com
http://www.silvercreekpottery.com
----- Original Message ----- 
From: <PlumDon at aol.com>
To: <theforge at mailman.qth.net>
Sent: Monday, July 26, 2004 6:28 AM
Subject: [TheForge] Acoustical baffling for compresor


>
> Thanks for all  the great suggestions re quieting the compressor. I am, as
> you might expect,  looking for the quickest and most inexpensive solution.
It's
> beginning to appear  there may not be one that is quick and inexpensive. I
> also need to go back and  look more closely at the compressor. Where is
the sound
> actuall coming  from?
> I like Jim  Binnions note on the blanket but cant get in to online
ordering
> at that site and  it may be quite expensive. Also thinking of a drop down
wall
> of ceiling tiles  hinged at alternating sides with duct tape.
> Unfortunately I  need it's full capacity of about 20 cfm when running
either
> the Skat Blast or  Old Blue so cannot reduce capacity on the compressor.
> Lot of great  ideas and I thank you, kindly.
> Don  Plummer
> You can buy  sound dampening blankets that are basically 1"-2" thick
quilted
> fiberglass  blanket covered with an aluminized cloth. One trade name is
> Sorba-Glas  http://www.industrialnoisecontrol.com/absorb.htm
> Mostly I'm  reinforcing what others have said, with one addition: do you
> really need  that much air?
> You'll probably  have to enclose the compressor to really deaden the
sound.I
> had the same  situation with a  portable generator, and a big plywood box
with
> ceiling  tiles inside worked wonders. Of course, air intake and exhaust
> baffles were part  of the construction. Not hard to figure out.
> One method I used  was staggering the 2 x 6 studs on a 2 x 8 plate and
> shoe......and then weave the  fiberglass insulation between the studs
prior to
> sheathing.
> The energy of the  sound waves needs to be  either absorbed or dissipated
> in some harmless  direction
> We bought 18  linear feet of foam for a 12' run of ceiling, looping it and
> nailing strips  about every foot, so it was UUUUUU like that, with much
more
> surface  area.
> but in addition to  the sound panels what about a muffler style design on
the
> air input to break  up/disperse the wave front ?
> I have used egg  crate mattresses to reduce noise in the past. The results
> were OK best part was  they were free.
> If you build   dry-stack walls of  cinder block, cover it with surface
> bonding  cement  to hold it together ( fast and cheap). and fill it with
sand for
> absorbant mass it won't retransmit the sound. Add an absorbant surface
inside (
>  sound tiles, egg crates, etc) and  that'll shut it up
> for sure. Sinking  it in the ground is also a possibility. What a lot of
> work.
> Fiber glass  is good for absorption, our anechoic chamber used  pyramids
and
> wedges of fiber glass  contained by wire mesh as the  absorber. I would
> suggest sticking with fiberglass for home made  absorption systems.
>
> If you are going to experiment with  foam for absorption be very careful,
> most foams are very  flammable
> Have you tried  getting a dog.  If you tie it up, your neighbors will not
> even notice the  compressor over the barking. ;-)
>
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