sand/ abrasive blaster

carpman15 · Dec 29, 2010

i woulndt mind blasting some parts of my tractor - i am not up for paying some one to do it - i have thought about buying a cabinet but for 200$ and ill be limited to small parts - i kind of considered these small hand held blasters im wondering if anyone has any expirence with these or what i just cant see buying a 200$ sandblast outfit for such limited use

http://www.harborfreight.com/portable-abrasive-blaster-kit-37025.html
this is one option

http://www.harborfreight.com/1-liter-abrasive-blast-gun-92857.html
this is another option

also i have used the black slag stuff - seemed best for rough surface prep - followed by sanding on sheet/smooth metal

ive also used silica sand but with where i will be doing it i really would like to stay away from silica sand - too fine will end up everywhere i dont want it - im not talking about on the work piece im talking work area

but as you can probbaly tell i am looking to do this on a budget time isnt too much of a factor but some of it would be best blasted not just wire wheeled

any help is appreciated

Jim in Ma. · Dec 30, 2010

I got a small touch up blaster that looks like a paint gun from Mac tools about ten years ago. I think I paid $ 50.
For the small amount I need one it works pretty good. All I use is sand in it and only outside.

CharlieNJ · Dec 30, 2010

About a year ago I bought a lot of tools at auction. There was a Unitech 007R SpeedBlaster Gravity Feed Sandblast Gun in the lot. I thought it was goofy toy blaster.
As I already had a pot blaster, I did not try the Unitech, until I needed to blast some small brackets and bolts.
Now I use it often. Easy to use, just one hose, doesn't clog much, if it does its easy to clear. Has an adjustment for sand flow. Has a ceramic tip, its easy to load, and is alot less fuss to set up. It even shot some baking soda real well.
Downside is it only holds 26 ounces of sand.
I looked at the manual for the CP 92857 and it says, "We strongly recommend that you incorporate a regulator, in-line filter and oiler as shown in the diagram below."
I strongly recommend NOT incorporating an inline oiler for blasting.
Charlie
Blaster

Jim in Ma. · Dec 30, 2010

Charlie - that's just like the one I have.
Works great for small things.

Brian Jasper co. Ia · Dec 31, 2010

I have one of those $200 blast cabinets. You will use it more than you think. I like the black beauty slag media over sand in it.

paramedicchuck · Dec 31, 2010

How big are the compressors you guys are using for these? How many CFM?

carpman15 · Jan 2, 2011

i know i would use a blast cabinet alot but its limiting- i cant shove a hood or a entire tractor in there - i kinda liked that black beauty slag stuff when i used it too wonder how well itd work in one of those hand held ones?

John 37A · Jan 9, 2011

(quoted from post at 06:15:30 01/02/11) i know i would use a blast cabinet alot but its limiting- i cant shove a hood or a entire tractor in there - i kinda liked that black beauty slag stuff when i used it too wonder how well itd work in one of those hand held ones?

Very true, but you also probably won't be doing an entire tractor with a spot blaster either. I just did my gas tank in our blast cabinet. I love that thing. No mess, no clean-up, and no picking sand out of every crevace when I'm done.

On the other hand, I did all my large parts using an industrial blaster and a Detroit Diesel air compressor. It worked very well, but I resembled an astronaut in my blasting suit and blew sand for what seems like miles. Maybe it was a little overkill?

charles todd · Feb 9, 2011

I have a large HF cabinet blaster that I use glass bead in and a HF 40 lb pressure pot that I use sand and black slag in. I have a home made 150 gallon compressor, 13 hp Honda, 175 psi, 22 cfm pump, to deliver air through a 1/2" hose. It works for what I'm doing.

CT

sand/ abrasive blaster

carpman15

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Jim in Ma.

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CharlieNJ

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Jim in Ma.

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Brian Jasper co. Ia

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paramedicchuck

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carpman15

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John 37A

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charles todd

Well-known Member

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