Painting Help

   / Painting Help #11  
Looks like it was drying before it got to the surface. A high temp activator would be easier to use for those temps.

Your 1.4 mm tip is fine, very good atomization... Think of tip size like a shopping cart full of balls. A 1.4 would be golf balls, 1.6 baseballs, 1.8 soft balls, and 2.2 basket balls. Looking across the surface, the golf balls would be smoothest using base/clear materials. If you were shooting heavy rust primer or such, you'd want a bigger tip size.

As to the DIY part, your asking the right questions to become better at this.
Don't be too hard on yourself, Painting takes practice. knowledge of the chemicals does too.
If you saw a few of my customers, you'd feel a lot smarter... :)
 
   / Painting Help
  • Thread Starter
#12  
Scott,
Thanks for the advice, I went down to the paint shop this afternoon and showed the guy what happened. He advised I do a couple of things
1. sand it with 1000, clean body with rubbing alcohol and reshoot clear using high temp activator.
2. Shoot early in morning we are going to be in 100's next couple of days.
3. Open garage door about 2 ft, open back window, place fan in back window to get slight draft.
4. Shoot 3 coats, first coat light, second slightly heavier and third heavy.
I'll give it another try and report back.
 
   / Painting Help #13  
SevenCorners said:
Scott,
Thanks for the advice, I went down to the paint shop this afternoon and showed the guy what happened. He advised I do a couple of things
1. sand it with 1000, clean body with rubbing alcohol and reshoot clear using high temp activator.
2. Shoot early in morning we are going to be in 100's next couple of days.
3. Open garage door about 2 ft, open back window, place fan in back window to get slight draft.
4. Shoot 3 coats, first coat light, second slightly heavier and third heavy.
I'll give it another try and report back.




Wet yard in front of garage door to keep dust down and blow the whole inside of your shop with the machine out, and do this many times, rafters, lights and all surfaces. Then bring in machine and blow it real good about 3 times and you should have great results
Jim
 
   / Painting Help #14  
What about his air pressure? 40 psi seems high for an HVLP gun.......
 
   / Painting Help #15  
40 psi may be the inlet air. I thought the air pressure at the nozzle was to be no more then 10 psi (to be considered a true hvlp).
 

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