dscratch
starting to spend too much on rocks
Member since June 2008
Posts: 214
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Post by dscratch on Feb 4, 2009 23:56:24 GMT -5
I want to craft a sound proof box for my minisonic tumbler. Anyone have any good ideas to build a sound proof tumbler box?
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Post by Woodyrock on Feb 5, 2009 0:06:02 GMT -5
Find a marine supply store, and get some sound deadening board for sound proofing engine compartments. If you can find sheet lead, now very hard to find, you could build a very sound proof box of a sandwich of 1/2"plywood, 1/16" sheet lead, and 1/2" plywood. There is no better sound proofing than lead, but alas, it is now hard to find.
Woody
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Post by parfive on Feb 5, 2009 0:58:52 GMT -5
Styrofoam cooler. Upside down, no lid.
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mossyrockhound
fully equipped rock polisher
Member since January 2011
Posts: 1,315
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Post by mossyrockhound on Feb 5, 2009 1:18:00 GMT -5
You can put some sort of framework around your tumbler and then put fiberglass insulation inside or outside. The thicker the insulation, the less noise you hear. The only possible problem is if you make it too airtight, the motor gets very hot, but this is true for whatever method you use for soundproofing. I put a regular cardboard box over my vibrating lap to contain the "splash" of the polishing compound. I couldn't believe how hot it was under there when I took the box off.
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Saskrock
fully equipped rock polisher
Member since October 2007
Posts: 1,852
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Post by Saskrock on Feb 5, 2009 1:25:21 GMT -5
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Post by Michael John on Feb 5, 2009 5:10:17 GMT -5
Different material densities block different ranges of the frequency spectrum. A relatively cheap but effective method would be to make a plywood box, glue carpet padding to the inside, then glue un-backed 3" fiberglass building insulation inside of that. It'll block almost the entire frequency range within the ability of human hearing (except extreme highs and lows, which your tumbler probably doesn't produce anyway).
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Post by MyNewHobby on Feb 5, 2009 11:57:10 GMT -5
The cooler idea is something I had not thought of.
I just got rid of a small, lidless styrofoam cooler as I thought I wouldn't need it.
Oh well .... live and learn
Thanks again to all
Julie
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drjo
fully equipped rock polisher
Honduran Opal & DIY Nut
Member since May 2008
Posts: 1,581
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Post by drjo on Feb 5, 2009 12:25:31 GMT -5
Get rid of the noise the same way you get rid of car noises...turn up the radio ;D
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NDK
Cave Dweller 
Member since January 2009
Posts: 9,440
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Post by NDK on Feb 5, 2009 22:55:07 GMT -5
I believe some ceiling tiles are made for sound proofing also.
They could be incorporated into one of the previously mentioned solutions.
Nate
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dscratch
starting to spend too much on rocks
Member since June 2008
Posts: 214
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Post by dscratch on Feb 6, 2009 22:44:02 GMT -5
Thanks for the responses. I think I'm going to craft up a box with the foam insulation and see how that works. I'll post some pictures when I am done building my soundproof box.
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DeanW
has rocks in the head
Member since December 2007
Posts: 721
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Post by DeanW on Feb 9, 2009 11:12:02 GMT -5
There are lots and lots of sound reducing materials used in Home Theater design. Special paints, special "drywall", membranes, insulation, etc. etc. I'm sure most of it would be overkill for the tumbler-cover but we utilized quite a bit in constructing our rock shop.
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dscratch
starting to spend too much on rocks
Member since June 2008
Posts: 214
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Post by dscratch on Feb 9, 2009 23:35:04 GMT -5
I ended up with the ice cooler option. I went to the Alco store on sunday and found the perfect size Styrofoam ice chest to fit over and around the tumbler. It's a heavy duty one. I covered up the tumbler and it cuts the sound pretty good. I'd post pictures, but it's just an ice chest over a tumbler....nothing special, but it works for my needs.
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Deleted
Deleted Member
Member since January 1970
Posts: 0
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Post by Deleted on Feb 10, 2009 10:55:58 GMT -5
You can soundproof the the barrel externally using cardboard egg trays the type that hold 2 dozen eggs that are sandwiched between 2 pieces of cardboard make the best low cost sound proofing that is even used in music recording studios here in the U.K, basically you make a box that fits over the barrel with slot to go over drive bars & add cardboard egg trays to the outside of the box.
If it is still too loud keep adding another egg tray and card layer to the sandwich until the noise level is relatively quiet.
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Post by rocklicker on Feb 10, 2009 14:29:46 GMT -5
If it's not mounted to the floor, here's an idea I have used for rotary tumblers: put down a 1 inch layer of spongy foam as a base. On top of that, put a some stone pavers, the larger the better. Then the tumbler goes on that. It keeps noise down considerably. If you want to mount the vibe, you would have to think of some think solid to put on that, like a thick piece of plywood. The foam makes things a little more unstable but if you make it big then you are OK. The basic idea is something really dense on a layer of foam rubber. Hope that helps
Steve
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docharber
has rocks in the head
Member since October 2008
Posts: 716
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Post by docharber on Feb 11, 2009 13:27:33 GMT -5
Prefabricated HVAC ducting is cuttable to length and would probably work well. I really like the eg tray idea, too. Great recycling option and prrobably very efffective .
Mark H.
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dscratch
starting to spend too much on rocks
Member since June 2008
Posts: 214
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Post by dscratch on Feb 12, 2009 22:11:46 GMT -5
I tried the ice cooler idea. It blocks the noise, but gets too warm underneath and dries out the grit really fast. Without the box, the noise is louder, but the grit does not dry up so fast. Back to the drawing board.
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Post by BuiltonRock on Mar 2, 2009 12:56:32 GMT -5
I have a old kitchen cabinet under one of my benches. I lined the inside all around with carpet. I took the doors off and use a carpet flap. Very quiet.
John
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mattrocks
off to a rocking start
Member since March 2009
Posts: 11
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Post by mattrocks on Mar 5, 2009 0:33:32 GMT -5
I built a plywood box and put that thin pink insulation inside and drilled holes on the end with motor for air flow. It worked for the noise but my tumbler (3A) would get to hot and the belt kept coming off.
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Post by johnjsgems on Mar 5, 2009 10:30:36 GMT -5
I had a customer buy a Mini-Sonic and bring it back because it was too noisy. I was at Cloud;'s show for the month and had mine there so I put mine in a cardboard box on a scrap of carpet. Almost no noise. I made sure I stood by the tumbler when the customer came by so he could see it. And, the Mini-Sonic has no motor so heat isn't a problem. That was an improvised fix tht worked. Just putting a piece of carpet under it cuts noise a lot. City buildings are not allowed carpeting so use "sound deadening floor covering" (you guessed it, carpeting).
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ampeg
off to a rocking start
Member since June 2018
Posts: 22
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Post by ampeg on Jun 28, 2018 21:11:56 GMT -5
Kaowool (ceramic fiberglass), used to insulate metal melting furnaces, pottery kilns, etc., really
deadens sound. A less expensive and non-brand-name lower temperature rated version are the
energy-saving blankets used on home water heaters.
Thick vinyl is now sold as a lead sheet substitute, and is often used in upscale restaurants to
isolate the kitchen noise (that travels above suspended ceilings) from the dining area.
It's always good to have options.
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