Paint Question
10-06-05, 02:30 PM
#1
Paint Question
Hey guys,
I'm looking into painting my cars, this is the first time that I've ever done this, and was woundering what kind of paints do you guys use. Would you recommend the urethane paint, or the base coat/clear coat paint. Also would I be able to shoot both of them with a 1.7mm and 1.4mm HVLP guns? Any help about sand paper girt for every stage and what to use to sand would also be great. Thanks
I'm looking into painting my cars, this is the first time that I've ever done this, and was woundering what kind of paints do you guys use. Would you recommend the urethane paint, or the base coat/clear coat paint. Also would I be able to shoot both of them with a 1.7mm and 1.4mm HVLP guns? Any help about sand paper girt for every stage and what to use to sand would also be great. Thanks
10-09-05, 02:40 PM
#5
after you prime, sand the car with one of those 400-600 grit sanding blocks (perferfably wet). make sure to leave enough tooth for the paint to stick too.
keep your paint angle as perpendicular to the surface as you can. its easy to do this if you sort of lock your wrist and elbow and use your upper arm with sweeping strokes.
practice on a piece of card board. you want to make sure to sweep slow enough so as to not get a dry spotty look, but fast enough to not have runs. sounds kinda crazy but i used to count in my head as i swept and repreated that same count every sweep to keep the same pace.
if you screw up, just be calm, try to wipe that area flat. wait for it to dry, sand it with the block, perferably sand a larger area, then repaint.
your rate of spray will be different with the clear coat than the paint, so i'd practice that too, as the clear coat process wont be as forgiving since you already have the paint down. also the clear coat makes the most difference in the shine.
keep your paint angle as perpendicular to the surface as you can. its easy to do this if you sort of lock your wrist and elbow and use your upper arm with sweeping strokes.
practice on a piece of card board. you want to make sure to sweep slow enough so as to not get a dry spotty look, but fast enough to not have runs. sounds kinda crazy but i used to count in my head as i swept and repreated that same count every sweep to keep the same pace.
if you screw up, just be calm, try to wipe that area flat. wait for it to dry, sand it with the block, perferably sand a larger area, then repaint.
your rate of spray will be different with the clear coat than the paint, so i'd practice that too, as the clear coat process wont be as forgiving since you already have the paint down. also the clear coat makes the most difference in the shine.
10-10-05, 10:13 PM
#6
hey thanks for the horizontal sanding tip .. that makes lots of sense ... I'll be using an HVLP gun ... any suggestions/tips about that ... also will i be waiting for m compressor sometimes to finish the car (I have a 5gallon 2Hp compressor, oil lube) also should i install an inline water/oil filter? Or do I need anything else to install in line with my hose so that it doesn't ruin the paint job? I will probably be using a 1.4mm HVLP gun for this application, how do I know that my PSI is set just right ...
Thanks everyone ... i know its alot of questions but, i would really like to do this thing right from the first time.
Thanks everyone ... i know its alot of questions but, i would really like to do this thing right from the first time.
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10-12-05, 05:17 PM
#8
that compressor will not run the HVLP gun, you will run out of air in no time, check the specs on your spray gun, it will range from 9-16cfm or so, a 2hp 5gallon compressor will not keep up, proper air pressure is very important for application of mettalic paints as well as proper paint atomization period, you dont want to realize as you have paint mixed that its going to go to waste
usually a HVLP gun requires 30psi at the cap, your gun should have a gauge on it, set it so 30psi, or whatever the rating on your gun is, hold the trigger there and see if the compressor keeps up with it
usually a HVLP gun requires 30psi at the cap, your gun should have a gauge on it, set it so 30psi, or whatever the rating on your gun is, hold the trigger there and see if the compressor keeps up with it
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