WAGNER COLOR-CATALOG-2004 ENGLISH Manual - Fine Or Coarse
FINE OR COARSE
Atomising power and what it
says about the equipment
The atomisation power of manual spray guns and fine
spray systems is an indicator of the quality and possibi-
lities for use of the equipment.
Areas of application
Example: Applying paint to a garden fence doesn’t require
such good atomisation as varnishing an antique chest
of drawers. Thus for “coarser” work a unit with a weaker
atomisation performance will give completely satisfactory
results but is less suitable, or not suitable at all, for the
finer application of paints.
If a spray gun, with correctly diluted paint, falls into the
classifications “coarse atomisation” to “no atomisation”
then virtually no objects can be coated to an acceptable
quality with this unit. By the time complete coverage of
the surface is achieved, the film applied is so thick that
it quickly causes the formation of paint runs or “orange
peel” on the coated surface.
Converting electrical power into atomisation performance
A high electrical rating certainly doesn’t mean that a
unit will achieve a good atomisation result: it is not power
consumed which counts, but that which is converted.
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Medium
atomisation
Coarse
atomisation
Very coarse
atomisation
No
atomisation
Atomisation results (reference spray patterns)
34
35
Fine
atomisation