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Old 04-01-2011, 01:26 PM
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HF Sand Blaster

Hey guys. Anyone use this blaster from HF? Is it any good? it says 2 cfm @ 50 psi, is it really that low? What sand do you use in it for cleaning rust and other things off of metal? Thanks in advance

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Old 04-01-2011, 05:26 PM
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A link to the specific model would help. Sounds like a very small model, might take you forever to blast something larger than a baseball.

Sand used is Silica Sand, available at most lumberyards. Same sand is used in pool filters.
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Old 04-01-2011, 08:02 PM
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sorry. I meant to post the link and hit submit before i pasted it. This is the one I was looking at. I've heard good things about it and some videos on youtube seemed decent.

http://www.harborfreight.com/portabl...kit-37025.html
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Old 04-01-2011, 08:07 PM
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I'd suggest you go back to the site and read the reviews. The reviews seem to point out that those who bought it to bast small parts were really happy and those that bought it for larger parts were extremely unhappy.

You can use sand and a number of other mediums, also listed on the site. Make sure you buy a good quality respirator at the same time. Sand can cause silicosis.
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Old 04-02-2011, 10:38 AM
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I bought one very similar to that one many years ago and it was a throw away piece of junk. Took no time for the nozzle to become VERY big and was worthless. The nozzle durability is key to any sand blaster and you better know what the replacement availability and cost are before buying any blaster. I have run tons of sand through sand blasters and wore out hundreds of nozzles and know how costly blasting can be if you don't make a wise choice. We have machined nozzles from mild steel and attempted to harden them for longer life. We have machined different grades of stainless and tried them. We have not been able to beat a good quality ceramic nozzle but even those come in a variety of hardness and cost. When you find a good one, one that lasts through several bags of sand, then buy a bunch. They are usually cheaper in quantity and buying a large quantity of know good ones is better than buying ones that you don't really know about their quality.


By the way, for those that are just getting into sand blasting, you need to sort of keep up with how much sand you are sending through your blaster and do routine inspections of the internal plumbing. It is easy to see the nozzle wear, but more difficult to see the wear going on inside and outside plumbing of the unit itself. I have seen elbows wear completely through and blow out with a big mess. Another tip is purchase good quality sand. The cheaper stuff has very poor quality control over the size of the grit, there fore it may have any thing from dust to large grit. Real blasting sand comes in fine, medium and coarse grit, but in bags so labeled. Even then, I screen each tank so I don't have to stop and unplug a nozzle or internal orifice. If I get a lot of over size grit out of a bag, then I return unused bags showing the vendor the poor quality and they replace them after changing suppliers or getting them to change out their screens. Yeah, the suppliers screens wear out too so they only buy fine screens and move them up to screen medium grit and then to large grit.

Trees

Last edited by trees; 04-02-2011 at 10:46 AM.
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Old 04-02-2011, 10:59 AM
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i bought one of HF blast-in-a-buckets kits a while back.
not expecting much out of it, i was not disappointed.
for rust they work fair. for paint not so good at all.
these are very similar to what you find in most blast cabinets.

i used mine mostly to clean up my frame before i painted it.
for this it worked very well, getting in all the nooks and brackets.

don't expect much from it and you too will not be disappointed.
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Old 04-04-2011, 06:32 AM
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Thanks for the input guys. I doubt this is the setup for me. I really don't even think my compressor will handle it anyway. Plus with all the mess it makes, I don't know if it'd be worth it.
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Old 04-04-2011, 06:50 AM
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They use a ton of air, and surge while in use.
A respirator is a must, not a dust mask if using any silica sand.
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Old 04-04-2011, 11:33 AM
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2 CFM? They have got to be kidding! I can't imagine anything it working with that little CFM.

I have to tell you the Speedblaster (google it) is what I use for most of my blasting (small stuff) and it works like a charm.

Brian
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Old 04-04-2011, 11:39 AM
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Here's a review I did on it.. Tool Review,Spot sandblaster

Brian
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Old 04-04-2011, 01:25 PM
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Like I said before, I'm not even sure my compressor could keep up with a sandblaster, which is why I'm so back and forth about it. I'd like something that I can use to prep before epoxy (I'll be doing mostly interior stuff that'll be hidden), but again, my compressor won't keep up. I'm not even sure it'll do the epoxy, but deadbodyman gave me a few tips so we'll see how that goes.

I figure, it'll be more work, but I could get by with some 80/150 grit sand paper and some patience? Any thoughts on that or should I get something like the speedblaster and just take frequent breaks.
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Old 04-05-2011, 08:39 PM
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I got one of the small 20 -25 LBS HF pressure pot,, works fine,, use playground sand from Lowes,, found that that dryness of the sand is most important. I dry the sand that I use in the oven,, use turkey cooking size aluminum pans, roast at 275 for 30 minutes or so,, use a large fork to run throgh it to turn it over,,,,You will know when the sand is dry,, it flows real nice.
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Old 04-05-2011, 09:12 PM
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It says average air consumption is 2 cfm @ 90psi yet it requires a minimum of 3.5 cfm?
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