Fri, 25 July 2008 11:54 AM

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Intertronics are market leaders in the provision of adhesives and related
products to many industries and so were particularly interested in a
recent aerospace application. Trials at product partner I&J Fisnar
related to a proven method of automatically applying conformal coating to
PCB areas surrounding contacts that may be sensitive to possible spray
contamination. The trials used an I&J Fisnar Dispensing Robot complete
with a brush applicator and suitable valve system.

Intertronics were pleased to note that trials for an in-flight PCB
conformal coating application proved that applying the coating material
by a robot-controlled precision brush, fed by an I&J Fisnar valve,
improved quality, reduced setup time, gave repeatable results and saved
$75,000 in systems costs. An important requirement in the trials was that
no contamination should be present on the 90° contacts that were used for
interface to an aircraft wiring harness; this request could not be
guaranteed with spray valve systems. Time spent covering contacts with
protective masking cups was eliminated and post assembly dismantling and
clean up avoided. Programming and test were simple to execute and the
popular model I&J7400C Cartesian Dispensing Robot was selected as the
robot of choice - several systems are now installed. Further information
regarding Intertronics’ products can be found at www.intertronics.co.uk


- Submitted by Sue Warne

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