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Old 09-12-2005, 09:12 PM
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sandblasting

What is the quality of the sandblasters sold by harbor freight
Fox

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Old 09-12-2005, 09:14 PM
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Old 09-12-2005, 10:24 PM
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I have both the 40 pound pressurized sand blaster and the large sand blast cabinet. The only thing that was wrong with the pressurized blaster was the "gun" got ate up pretty quick internally and wouldn't shut the air and sand off so I put a "dead-mans" nozzle on it and it has been great for 6 years now. The blast cabinet is good, I have not had anything go wrong with it. The ceramic nozzles wear out pretty quick so I would suggest a carbide nozzle. Another thing about sand blasters is they don't like any moisture in the sand, must be dry or it will plug up quite easily. You have two use a good water trap or dryer. I use two, the one I have permanently in my shop lines and one at the blasters. What CFM is your compressor?
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Old 09-14-2005, 12:50 AM
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sandblasting

I am not sure what the cfm is, but i think it is around 6 or 8. What is a "deadman nozzle"? Thanks for your good information.
Fox
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Old 09-14-2005, 08:48 AM
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6-8 cfm is a little small for a sand blaster. If you use the smallest nozzle and fine sand you can get by with the smaller compressors but you will have long wait times short blasting times until you can build air. The dead man valve I have is from HF it is this one. [URL=http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=92189] Hope this helps.
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Old 09-14-2005, 11:20 AM
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I just bought a large upright blast cabinet and a pressure pot both from HF from a friend. I have used these (when he owned them) many times and they worked flawless. I would say go for it, for the money they are great. Remember to buy extra media.
you got to love having broke friends I only paid $200.00 for both units and they are only about 8 months old.

Steve
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Old 09-14-2005, 12:49 PM
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Sandblasters are fairly simple devices with the only moving parts being a couple of manually operated valves so there is not much to go wrong. I don't have a HF blaster but I know one guy that does and he has no problems with it except for high nozzle wear. You might want to check with Northern Tool for deadman valves and nozzles or even the whole outfit because they have a really good selection of blasters and parts like valves and nozzles at good prices.(comparable to HF but a better selection) Now about that compressor, I think that it is way too small even for the 3/32" nozzle but you might be able to get by for small jobs if you are willing to wait a lot as GC already pointed out but a big problem is that the overworked compressor will quickly heat up and then you will be trying to dry hot air. Moisture saturated air is a real problem for sandblasters and separators do not work very well when the air is heated so if you do use that small compressor you might want to rig up a cooler of some sort before your water separator. It also is a good idea to have a separator at the regulator and another one on the blaster itself since water is about the no. one operating problem blasters have.

www.northerntool.com
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Old 09-14-2005, 05:31 PM
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Oldred is right on about cooling hot air. I have in a pinch coiled up a 25 or 50 foot hose and put in a tub of water with ice, it does work but a couple of my friends laugh at me about it. I have been thinking about getting the refrigerated dryer that HF sells for about $300.00-350.00 but I haven't found any that has one to get feedback on it. You don't want to abuse your compressor while sandblasting so stick with small items until you can get a compressor that puts out alot more CFM.
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