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Self-contained powder coating system

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RamblinMan View Drop Down
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    Posted: Feb/04/2013 at 11:40pm
So I came across a medical air compressor that can generate up to 100psi. I changed it over to quick connect fittings, added casters and attached the powder-coating system to it. Also added some hangers for hoses and connection wires and voila: self contained system. I *think* I can use it for airbrush too, but I haven't tried it for that yet. All I need is an extension cord I can use it anywhere. Add a toaster over and I can do small parts anywhere I can get 110 volts.




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Post Options Post Options   Thanks (0) Thanks(0)   Quote Wrambler Quote  Post ReplyReply Direct Link To This Post Posted: Feb/05/2013 at 12:19pm
Can you tell what the CFM and AMP needs are?

Wondering if it would make a nice unit for a supply for a plasma cutter to?

The wicked little drills and saws medical and dental people use may make that a great little compressor!

Where's you find it?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dr Acula Quote  Post ReplyReply Direct Link To This Post Posted: Feb/05/2013 at 2:31pm
Very crafty! My air compressor consists of two old compressors spliced together. They were both on their last leg, but together they sustain a pretty nice feed
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RamblinMan Quote  Post ReplyReply Direct Link To This Post Posted: Feb/05/2013 at 2:51pm
Found it in a thrift store and I'll have to check the CFM. It has no internal tank at all, but a powdercoating system only needs 4-7 psi. I don't think it would work for any tools. It was probably used for nebulizing medicines.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Wrambler Quote  Post ReplyReply Direct Link To This Post Posted: Feb/06/2013 at 12:09pm
Yea, I ran the part number and it shows 30lpn, which if the page I found is correct converts to just about 1 CFM @ 80psi.

Still an interesting find!

Don't trust my math skills 100%.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RamblinMan Quote  Post ReplyReply Direct Link To This Post Posted: Feb/06/2013 at 12:20pm

Yeah, based upon the air flow I can feel at higher pressures, that sounds pretty realistic. Seems to keep up with the powder coating at 5+/- psi just fine. Also the air is very dry coming out of it, which is good for powder coating.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote shelbycoleman Quote  Post ReplyReply Direct Link To This Post Posted: Feb/13/2013 at 8:55am
Nice idea but, you should not run that on an extension cord. It will create low internal voltage and burn the unit up much like running a 110 welder or compressor on a extension cord. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RamblinMan Quote  Post ReplyReply Direct Link To This Post Posted: Feb/13/2013 at 9:56am
Not necessarily. Depends upon the gauge of the cord. The heavier the gauge, the less voltage drop you get. For example: a 50' 12g cord will have no significant (if any) voltage drop.

I have 200' of 10g cord that I've been using for 220v welders for years with no I'll effects.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote billd Quote  Post ReplyReply Direct Link To This Post Posted: Feb/13/2013 at 1:40pm
I find the higher psi - like 6 or 7 - to be too much pressure for my use.
I regulate down to more like 3 or 4 and get great results.
It's more volume than anything- get it out there but don't force it at the object.
My plan, thanks to a great suggestion by my wife, is to enclose the south end of the lean-to on my shop and make it a powder coating and blasting area, apart from the rest of the shop. Hopefully it will include a sort of built-in booth for the powder coating.  I was getting tired of the mess and dragging the hoses around, that sort of thing.

I have a couple of small air brushes and those work great on those tiny portable tankless compressors - the sort you could if you were so inclined hold under one arm while using the other for the air brush. You can actually do a lot of air brush work with a single can of compressed air. (at least with mine you can, I have a can adapter for it.)
So I suspect that unit would more than supply a typical air brush.
Wish I had photos of the Pegasus we ended up putting on the trunk of my brother's white Rebel back in the 70s with that air brush.

That will be a really nice and neat little compressor unit for those low pressure/low volume needs like that. And yes, with the correct cord, no issues. Shoot, I ran over a hundred feet of cord to my camper from a site outlet and ran the A/C and lights, fridge, microwave, everything, no issues. It's got to be heavy enough, but the charts are all over the web, and cords today will tell you the load they'll handle if you just look at the label.
I've never run THAT long a cord on my welder, but due to where I had to sit the welder compared to my 220 outlet, I ran it through about 15' of extension cord all the time. I also had to run my electric stub augers on extension cords when unloading the grain bins. I just made cords big enough to handle the 5 HP motors.

Thanks for sharing - that's a pretty cool idea for portable powder work!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RamblinMan Quote  Post ReplyReply Direct Link To This Post Posted: Feb/13/2013 at 2:24pm
I tend to run around 5 psi for powder coating. The inline filter restricts the flow a little and 5 psi at the gauge seems to work well.
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