Recommendations on sand blasing cabinets - Team Camaro Tech
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post #1 of 6 (permalink) Old Mar 21st, 00, 10:01 AM Thread Starter
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Jeff
 
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I'm getting ready to buy myself a blast cabinet and I'm not sure what size I want to get. I have a 5 hp compressor with a 30 gallon tank and I think it flows around 6cfm at 80 psi. What brands are good and what blasting media works best on what materials? Thanks for the help, Jeff.
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post #2 of 6 (permalink) Old Mar 21st, 00, 10:27 AM
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David Pozzi
 
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I use glass beads. I tried sand when I first built it, it bounces back on the glass pitting it.

There is a green stuff copperslag? can't remember. It's more aggressive.

A tip on blasting, there is an ideal pressure where you will have the most suction on the gun.
Try different pressures, use a vaccum gage on the suction line to find it. Or test with your finger on the suction line, you can feel where it works best.
If you go too high on pressure, the suction goes away.
Size the orfice to the cfm you have.
I first ran mine on a sears 2 hp. It couldn't keep up. I've got a 10 hp compressor now.
Realize that with a 5 hp you are going to work your compressor hard on a big job, give it a rest on a hot day!
I've heard running a compressor too hot can break the reed valves and they bounce around inside the compressor doing damage. ( I bought a compresor with disc valves for that reason)
I shure as hell worked the S*#@t! out of that poor old Sears compressor! I even added a copper coil of tubing out of the discharge to tank fitting to add some cooling, cause the tank and hoses were getting hot. I was running a DA sander hours on end. I aimed a portable fan at it too.
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post #3 of 6 (permalink) Old Mar 21st, 00, 10:38 AM
 
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Check this link out. They build blast cabinets large and small. They also offer a kit for the do-it-yourselfer. I bought the kit but haven't put it together yet. They also sell parts for blast cabinets and have some good info: http://www.tiptools.com/

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post #4 of 6 (permalink) Old Mar 21st, 00, 04:57 PM
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Another place is ACE in Holland, MI, 888-772-3263. I too need to decide on a cabinet. I like theirs cause they use carbide in all their heads, and the replacement parts are way less than TIP.
But I haven't decided yet.
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post #5 of 6 (permalink) Old Mar 29th, 00, 04:09 AM
 
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Ever heard of Harbor Freight? They have a good selection of blast cabinets, cheap too!
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post #6 of 6 (permalink) Old Mar 29th, 00, 05:30 AM
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From a convienence standpoint, get the biggest cabinet you can afford. If it's gotta go outside, the biggest cabinet your significant other will stomach. That way headers, rims, and bulky items can be put inside. Your compressor will do small jobs, but it won't keep up with continuous work. Expect to blast for only a minute or so then wait for the compressor to catch up. When I blasted all of the components on my car I kept a 7 1/2 hp, 3 phase, dual cylinder, 80 gal compressor buried.

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