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HVLP atomization problems - Dye stain help

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Forum topic by jtm posted 03-16-2014 07:59 AM 566 views 0 times favorited 12 replies Add to Favorites Watch
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jtm

135 posts in 292 days


03-16-2014 07:59 AM

Hi all,

I’m trying to spray some General Finishes dye stain. Here’s the problem….

I have the HF turbine HVLP kit. Everyone says it’s identical to the Rockler version. But here’s the problem. The HF kit comes with 1.4/1.8/2.0 tips. The Rockler comes with 0.9/1.8 tips.

I need a 0.75 tip for dye stains according to the General Finishes website. The Rockler would be close at 0.9, but there’s no way I’m going to spend another $150 on their machine to get just one tip. I’ll see if I can order just the tip at Rockler tomorrow, but from what I’ve read online, I’m not sure I’ll be able to.

So I tried spraying the dye stain with the 1.4 tip (on a test piece). It comes out very heavy with lots of pools of droplets on the workpiece (“splattery” I guess, for lack of a better word).

Is there any way to hand wipe a dye stain and get sprayed results? I’m using cherry, so needless to say, it’s very blotchy. Won’t a wash coat impede the ability of the dye to penetrate the wood?

Any other suggestions? This is very frustrating.

Thanks


12 replies so far

View thedude50's profile

thedude50

3515 posts in 1134 days


#1 posted 03-16-2014 08:03 AM

turn the flow up and the paint volume down for a finer mist this is what I do on my fuji and I never have an issue

-- when I am not on Lumberjocks I am on @ http://thisoldworkshop.com where we allow free speech

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jtm

135 posts in 292 days


#2 posted 03-16-2014 08:06 AM

There’s no option for that.

This is a continuous airflow turbine HPLV system. You can’t adjust airflow – only paint volume.

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thedude50

3515 posts in 1134 days


#3 posted 03-16-2014 08:08 AM

you should have two valves on the gun right

-- when I am not on Lumberjocks I am on @ http://thisoldworkshop.com where we allow free speech

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thedude50

3515 posts in 1134 days


#4 posted 03-16-2014 08:09 AM

one widens the pattern more airflow the other picks up more paint turn the paint down and widen the pattern

-- when I am not on Lumberjocks I am on @ http://thisoldworkshop.com where we allow free speech

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jtm

135 posts in 292 days


#5 posted 03-16-2014 08:10 AM

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thedude50

3515 posts in 1134 days


#6 posted 03-16-2014 08:35 AM

looks like you only have one valve so your going to have to see if you can get the finer tip sorry bro thats why I recommend fuji simply the best performance

-- when I am not on Lumberjocks I am on @ http://thisoldworkshop.com where we allow free speech

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jtm

135 posts in 292 days


#7 posted 03-16-2014 08:54 AM

THanks for trying

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thedude50

3515 posts in 1134 days


#8 posted 03-16-2014 08:58 AM

np good luck hopefully they offer the tips you need

-- when I am not on Lumberjocks I am on @ http://thisoldworkshop.com where we allow free speech

View NiteWalker's profile

NiteWalker

2710 posts in 1233 days


#9 posted 03-16-2014 11:03 AM

Try turning the fluid flow down.
You want mostly air coming from the gun with very little fluid.

-- He who dies with the most tools... dies with the emptiest wallet.

View cutworm's profile

cutworm

1064 posts in 1449 days


#10 posted 03-16-2014 12:25 PM

I’ve sprayed the same dye with my HF. Close the flow valve then slowly open until you get the pattern you want. It should spray dye with no problems.

-- Steve - "Never Give Up"

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jtm

135 posts in 292 days


#11 posted 03-16-2014 09:24 PM

Cutworm,

I tried that, but it gives out only a tiny tiny spray pattern.
I fear that I’ll get a ton of striping if I try to do it that way.

View jtm's profile

jtm

135 posts in 292 days


#12 posted 03-17-2014 07:27 PM

I was able to order the 0.9 tip from Rockler for $12.

Still way cheaper to buy the HF sprayer with the extra tip ($100 total w/ 4 tips) vs. the Rockler version with only 2 tips for $150.

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