BRAND-NEW
© Dörken
New Automatic Spray Gun for Sharp-Edges Coating Without Masking WALTHER Spritz- und Lackiersysteme GmbH and Dörken have developed an optimised process that enables sharp-edges parts to be coated with the greatest accuracy and without masking.
D
uring the partially coating process of components with spray
The new coating process
application, expensive and time-consuming masking is often
The zinc flake material to be applied is transported from a compressed
used. For this reason, WALTHER Spritz- und Lackiersysteme
air-filled pressure container to the spray gun. It is then atomised to the
GmbH (WALTHER PILOT), the equipment manufacturer, and Dörken,
finest particles at approx. 1 bar air pressure, and applied to the part.
the zinc flake materials manufacturer, have joined forces in order to
The material output system is one of the more particular aspects: it has
develop a new application-specific, automatic spray gun. In combination
a pulse control, which allows that only very small quantities are applied,
with a robot, it produces reproducible results and applies highly
whilst still allowing the droplets to flow together to form a very even
focused zinc flake systems almost without nebulization.
film. In addition, a specially developed applicator avoids the risk that the
112
N. 70 - JULY/AUGUST 2021 - international PAINT&COATING magazine
