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#1
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Hi everyone,
I have completed my engraving setup at my home. I purchased a California air compressor thinking on a budget, but my studio is on the second floor of my house and with the floors being wood it really reverberates in the entire house when it kicks on. I'm looking for alternatives that run quiet so I can engrave after 8 when the man of the house has gone to bed. I'm thinking of using nitrogen. I am wondering who else uses it and what size tank is good. It has to be small enough I can get it up 12 steps but I don't want to be filling little ones constantly. How long does it last before a fill is needed? Thank you! |
#2
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Sarah, You might not want to use Nitrogen, it really is not good to be inhaling that as it is narcotic.
If you want to use bottled gas look into scuba tanks. Cheap to refill and they do last a good while. Brant |
#3
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There is exactly one place I could fill a scuba tank in Minneapolis, and it requires that I present a dive license. |
#4
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Easiest and quite and available is a 20 cf CO2 tank.
You do need a CO2 regulator on the tank to take the pressure down from 600psi to about 80psi. Then the 2nd regulator to fine tune your graver. It should last quite long since it is compressed to a liquid and changes to a gas when released. Not as high a pressure in the tank as with Nitrogen or scuba tanks and can be filled at almost any welding shop supply. So it is much safer. Always chain a tank in place so it doesn't fall over on the valve... |
#5
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Use caution around nitrogen gas. Brand |
#6
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Before you go to all the trouble of trying compressed gas, put a foam pad under your compressor and see it that quiets it enough. You might also try putting a small sheet of plywood or fiber board on top of the foam pad if the compressor sinks too deep into the foam.
Best of luck! Tom |
#7
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Build a wooden box and line the bottom with closed cell foam such as that used in camping mats. You can also line the sides with styrofoam sheets to dampen the noise a bit. Leave the top open for air circulation to prevent compressor overheating.
__________________
Dave Kanger Some men are wise, some are other wise. |
#8
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I built a box for my California Air Tools. It made a tremendous difference.
I bought a low price ($20) sound level meter just to see how the box worked. The meter claimed to be calibrated but I have no way of checking. My outside shop compressor, the loud kind, measured as putting out 92 dBA of sound. The California Air Tools compressor put out 70 to 75 dBA of noise. This is inside next to my engraving setup. Without the compressor running the sound level in the room is 45 dBA. After I put the compressor into a box I built, the sound was at 50 dBA. I found many designs on the internet for boxes. I made mine with gypsum drywall material and 2x2s for the frame. |
#9
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just don't build your box too small. your compressor generates heat.. i don't think it would like being too cozy.
i keep a few scuba tanks around.. you can get quite a bit of work done on one, tho I haven't been quite scientific about it.. handy when the power goes out, or if I head out to the beach for a couple weeks |
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