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Post by Welsh Paul on May 21, 2012 3:37:14 GMT -5
Hi guys, are there any experienced airbrush users out there who can help me with an annoying problem?
I am using an Aztek airbrush with a compressor but not matter which nozzle I use, the paint always spits out in a slight stipple effect and does not show a smooth transition.
I have tried thinning the paints down and have even tried it with just inks to ensure that the mixture is not too thick. I have tried altering the pressure on the regulator from between 2 to 4 bars. I have also orderd a new nozzle (0.4mm) to be on the safe side.
Can anyone offer any help with this?
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Post by special ed on May 21, 2012 4:18:10 GMT -5
Have u cleaned the moisture traps on the compressor not sure what size u have but with mine i have to clean the moisture trap out regularly or i have all kinds of problems.
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Post by Welsh Paul on May 21, 2012 4:29:55 GMT -5
The compressor has a bottle attached to it which should collect the moisture and it hasn't been used that much yet so I don't think there should be much of a build up of condensation yet. I'll check it out though, so thanks.
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Post by Cosmic on May 21, 2012 9:59:32 GMT -5
Give it a THOROUGH clean. Once I've used mine quite a few times I tend to strip it down and leave it to soak over night in nail varnish remover to remove any paint stuck inside the airtube. A small lump of paint inside can cause the spurting effect.
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Post by 3ff3ct on May 21, 2012 12:45:13 GMT -5
A small lump of paint inside can cause the spurting effect. Could be this, it's definately happend with me a couple of times when I've got lazy.... |
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Post by Trooper One-Nine-Seven-Four on May 21, 2012 13:03:39 GMT -5
Yeah, I would suggest giving the airbrush a thorough cleaning as well. In addition to soaking it in a solvent, I'd also try swabbing out the insides with a cotton swab as well.
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Post by AshotNINJA on May 21, 2012 14:16:00 GMT -5
im forever cleaning mine... i wish there was an easier way... to be honest, most airbrushes are made to spray solvent paint, not fast drying acrylic paint ... so theres a fault in itself.... stuff just jams it up real quick.
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Post by Welsh Paul on May 21, 2012 17:46:27 GMT -5
I've cleaned the nozzles and airbrush thoroughly already using a dedicated airbrush cleaning spray. What is the recommended pressure that you guys use for more detailed work as setting it to 2-3 bar seems very high?
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Post by Cosmic on May 22, 2012 3:22:22 GMT -5
I keep mine to between 20 and 30 PSI for most detail work.........I think
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Post by Welsh Paul on May 22, 2012 6:06:01 GMT -5
Thanks. It does tend to spit quite badly at that pressure but I'll give it another try with different non-GW paints.
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Post by special ed on May 22, 2012 16:31:47 GMT -5
Mine is a dedicated airbrush compressor so if i soak the nozzle like i should then im ok.
A friend of mine had the same problem he added a second moisture trap just before the airbrush and that seemed to help also did u use wire brushes to clean the tips of the nozzle
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Post by Welsh Paul on May 23, 2012 3:31:13 GMT -5
No, just q-tips/kitchen roll and airbrush cleaning spray.
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Post by AshotNINJA on May 23, 2012 6:21:09 GMT -5
Not sure about everyone else's airbrush design but mine has a long tapered spike/rod that goes through it ... this is the thing that causes me the most problems, as it builds up with crap stopping the mech from properly working. I rub it down with a fine emery cloth till its shine again, and along with cleaning the inside, helps it work more efficiently again
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Post by Cosmic on May 23, 2012 13:57:49 GMT -5
Not sure about everyone else's airbrush design but mine has a long tapered spike/rod that goes through it ... this is the thing that causes me the most problems, as it builds up with crap stopping the mech from properly working. I rub it down with a fine emery cloth till its shine again, and along with cleaning the inside, helps it work more efficiently again That's the needle, every airbrush has one. A rub rub down with some very fine sandpaper is a good idea Welsh Paul. |
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Post by Welsh Paul on May 24, 2012 1:41:53 GMT -5
I've never heard of using sandpaper. I'll get me some 1200 grade this weekend. Thanks for all the tips, folks!  |
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Post by 3ff3ct on Jun 8, 2012 6:44:19 GMT -5
im forever cleaning mine... i wish there was an easier way... If you can be bothered, try and get a cheap/second hand ultrasonic cleaner. One of my mates got one for cleaning out his bike engine when he was doing a refurb, it was amazing how much crap it got out, despite it being 'clean' to the naked eye. |
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Post by ElegaicRequiem on Jun 8, 2012 7:50:33 GMT -5
I wouldn't recommend sandpaper unless it gets really clogged. You'll just be creating nucleation sites for more clogs to start.
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Post by special ed on Jun 10, 2012 17:38:08 GMT -5
I soak my tips in thinner and then brush them out with the wirebrushes i bought never had a problem since
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