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Ask the Expert Question-and-Answer Archive by Ron Joseph March, 2004 Rotary Atomization in Electrostatic Spray Q. We are currently looking into purchasing a lab suitable electrostatic spray gun. The question which remains is the fact that due to costs, we must make sound judgements in what options to buy. The last question remaining is the use of a "round pattern nozzle" to simulate rotary atomization. The application would be industrial and automotive. What is the benefit of this nozzle and what does it do? Does it make sense to spend the extra money? A. Thanks for your email. I'm not sure if there are advantgages to purchasing
a round pattern nozzle to simulate a rotary atomizer. To the best of my knowledge
all nozzles can give you as round pattern if you turn down (or eliminate) the
fan shaping air that goes to the outer horns of the air cap. Rather than spend
lots of money, why not try a conventional nozzle and see if it does what you
expect. I'm sure you can also get a loaner on a round pattern nozzle if you
speak nicely to the folks at the equipment companies. That way you can compare
the two nozzles and make a decision. |