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Old 10-14-2008, 04:55 PM
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Help with Flake!!!

I can't seem to get some .015 flake to spray out
of any of my HVLP's without the flake settleing in the
nozzle and plugging it up.
I mixed the flake with clear and also tried it with
HOK's SG100 intercoat.
The tip is plenty big, 2.2, that's not the problem.
The flake settles in the the nozzle and plugs it up
within a minute.
Do I need a non-gravity gun like the old conventionals?
Or is there a carrier that will keep it suspended.
I made a huge mess with 3 different guns..........Help

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Old 10-14-2008, 09:48 PM
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JC, I had the same problem earlier this year spraying some HOK flake. I ended up using a conventional gun with marbles in the cup for agitation during the shoot-just like the old days..... I swore I'd never use a conventional siphon feed gun ever again but had to break out that old school gun again on that job. I really don't see any way a gravity feed gun will ever get the job done with flake-but maybe I'm wrong. TTT
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Old 10-15-2008, 05:31 AM
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I read I need a 2.2 tip for the flake size I'm useing,
I'm having a hard time finding that in a conventional gun.
Anyone know where I could find a tip that big to fit my Binks 7?
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Old 10-15-2008, 07:30 AM
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Never having sprayed flake before, let me run this by you. Have you tried a smaller tip? Seems like smaller would create higher velocity through the ports and minimize settling. I'd test with a 1.4 just to see...

Russ
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Old 10-15-2008, 08:39 AM
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Reminds me of my second flake job, Nile green flake over lime gold candy. I was just a young lad barely 16 when I shot my 56 Ford with that combination.

I had previously shot the same flake on my motorcycle and didnt like the marble agitator system. I added a bubbler line into my cup using some clear tubing and a tee fitting at the air coupler. It worked good, didnt have any problems with it. ( I did not even think twice about drilling holes in the lid of the cup, the exuberance of youth,lol)
The immersion hose had to be changed once as the lacquer attacked it. Today I am sure there are plastic hose materials that can withstand the immersion in the spray media.

Acetylene,cheese cloth,murano pearls,candies,lace,flake,saran wrap,sponge,It didnt matter I was all in, Read about it in a magazine or see an effect and try to duplicate it. Many times my media was Testors spray cans of model paint, cheap easy and available in the small farm town I grew up in besides it didnt take to much material to paint the 5 pieces of my motorcycle,lol.
Longevity was not an issue, hell the paint lasted 2 weeks it was a near record, some new theme was always in the works

Sorry for the hijack.
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Old 10-15-2008, 11:09 AM
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Quote:
Originally Posted by S10xGN
Never having sprayed flake before, let me run this by you. Have you tried a smaller tip? Seems like smaller would create higher velocity through the ports and minimize settling. I'd test with a 1.4 just to see...

Russ
Like I said, the tip size isn't the issue.
The flake settles so quickly that the fluid nozzle becomes so packed
I couldn't hardly shake it out.
I see what you're saying, but I don't think it would be enough suction,
I could barely blow it out from the other end.
It comes out in one big clump.
I've been told on other forums I really need a suction gun, so
I got a Binks 7 copy from Harbor Freight for $25.00 with a 1.8 tip
and if it's too small, I'm going to drill it out with a 3/32" bit, which is 2.3mm.
(I found some other guns out there w/ 2.2 but they were pretty
pensive
For $25 I can experiment a little.(LOL) pimp:
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Old 10-15-2008, 11:38 AM
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I was kinda thinking the same thing jc. I have one of those HF guns and they work well for the money.
One thing about drilling the nozzle will be having to cut off a little bit of the needle stop back, It will likely go to far into the nozzle and your "air" position on the trigger may be non existant. Touch the trigger and you get instant paint.
Been there with a primer gun once using the 1.4 needle and a 2.0 nozzle.
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Old 10-15-2008, 06:21 PM
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Thanks everybody, I'll let you know how it works out later.
Right now I have a customers VW that needs some bodywork,
maybe in a week I can get back to my flake project. Later!
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