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Oct 11, 2018 20:39:06 GMT
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hi I'm after some reccomendations for a decent sand blaster.
at the moment I'm using the clarke 10 gallon pressure tank.
it does the job but to be honest you end up spending more time filling it and messing around setting it up and keeping it flowing than you actually do blasting.
I'm after something a little bit more industrial and heavy duty what i can rely on a bit better.
i tend to use the fine to medium crushed glass and have had a go with block paving sand too. the glass is pretty good- just i need more pressure from the blaster realy.
any other reccomendations on a different media?
thanks, matt
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slater
Club Retro Rides Member
Posts: 6,390
Club RR Member Number: 78
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media blaster reccomendationsslater
@slater
Club Retro Rides Member 78
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Oct 12, 2018 13:34:16 GMT
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It's all in the compressor not the pot so much. How many cfm do you have avalible?
I used a medium sized clemco pot. Not cheap but your only real option if you want better blasting than a Chinese pressure pot thing.
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slater
Club Retro Rides Member
Posts: 6,390
Club RR Member Number: 78
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media blaster reccomendationsslater
@slater
Club Retro Rides Member 78
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Oct 12, 2018 13:35:25 GMT
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As for media you won't beat the glass for value imo. Be careful using sand for the obvious health reasons.
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Oct 12, 2018 22:04:47 GMT
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just looked them up. very industrial and looks just like i need. my little one is more of a d.i.y hobby model and can only take fine abrasive- which is fine, but it struggles to cover the ground.
my compressor is a 150 litre tank. has 14.1 cfm - would this be ok for running a clemco pot?
thanks, matt
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93fxdl
Posted a lot
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Posts: 2,000
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Oct 12, 2018 22:38:03 GMT
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Media blasting has many variables,
The media used varies depending on what your base material is and the surface finish required.
Next is your nozzle size, this is dictated by the size of you compressor, too large will reduce effectiveness and over work the compressor. And they do wear quite rapidly.
The balance between airflow and grit flow, more grit less air gives a softer blast than less grit and more air.
Both you media and air supply need to be dry or you will get problems with clogging.
If you are recycling your media, sieve it to remove the worn down grit and stir with a magnet to remove any rust particles.
Ttfn Glenn
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slater
Club Retro Rides Member
Posts: 6,390
Club RR Member Number: 78
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media blaster reccomendationsslater
@slater
Club Retro Rides Member 78
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No. I'm afraid 14 cfm is nowhere near enough for decent blasting. I'm suprised you get it to work at all really!
You really need to aim around the 100cfm mark to get decent results otherwise you need a nozzle so small you can't get any grit through it. You may find you can get the chinese pot to work better with a bigger compressor(and possibly nozzle).
The Chinese pots work on exactly the same principle as professional ones. They just take an age to fill, have no deadman and the ball valve they use to control the grit will wear out very quickly. Other than that if you can move enough air through them they should work ok for small areas.
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Oct 22, 2018 14:06:48 GMT
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Your compressor is going to be the limiting factor
I've tried many options using my compressor (just your run of the mill Clark 14cfm)
And unless your just doing small bits it's useless
A friend of mine does this for a living and if he goes mobile (to do a house or a aeroplane) that sort of thing
He uses a big mobile compressor like the road workers use for concrete beakers
Nowadays I just bundle a car load of bits together and pay him to do it he'll even prime them if I ask
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