Spray Gun Metallic Paint??
Does anyone have any general advice for adjusting a spray gun to spray metallic paint? Ive read somewhere that you could tighten the adjustments up all the way and then back the paint flow out like 2 1/2 turns, and the air adjust out 3 turns? Is any of this right?? Its a single stage mettalic paint. any suggestions would be great!
Originally Posted by dj32nc
There's a couple of different ways to adjust a gun, and that isn't one of them. Every manufacturer's gun is different so an adjustment based on number of turns would be irrelevent. Even basing adjustment on number of turns for a known gun is little more than an estimate or starting point.
Assuming an HVLP, it should have a regulater with a gauge mounted at the gun. This reg pressure should be set to the manufacturer's spec with the trigger pulled and paint in the gun. The air adjust should be wide open. Now tape a piece of masking paper to the wall. Open the fluid knob so that you have ample flow and adjust your fan width to your desired width. Now turn your fluid knob mostly in. Hold your gun the appropriate distance from the paper (this can differ from gun to gun, but usually 8") and pull the trigger fully and release it, all as quick as you can. Look at your pattern on the paper. You will see the beginnings of a cigar shape on the paper. Keep opening your fluid knob until the ends of the cigar are just filling in nicely.
This method of adjustment provides for a setting on the min. side of flow, allowing a slower movement of the gun. Len and some of the others use a different adjustment technique that provides for a maximum flow and may require faster movement of the gun. But the speed at which you move the gun is determined by watching closely the paint hitting the surface, however you adjust your gun.
You're going to regret using single stage metallic.
Originally Posted by Steve g
Thank You for your advice. and I AGREE. Single Stage Metallic SUCKS!! lol