8
Printing and
dispensing
Cartridge design
Enhanced interface
offers clear benefits
simplifies process control
Lead-free solder
from EFD is now
available in a
clear green
Dek has unveiled its new 2D
polypropylene
Inspection (2Di) V9 software tool,
cartridge. Not
adding functionality to the Instinctiv
only does this
machine user interface for
help to
enhanced inspection control. This
distinguish the
makes it easier to monitor the print
solder from lead
process leading to increased
alternatives, it
productivity and reduced
also makes it easy to monitor the
manufacturing costs.
amount of solder remaining in the
2Di ensures optimal print quality
cartridge so it can be changed before
by inspecting boards and stencils
it runs out.
to determine whether print quality
Precision molded cartridges in the
is deteriorating. This helps to
Optimum range are said to reduce
identify when a stencil clean or
downtime on automated production
paste dispense is required and
lines. The proprietary ZeroDraft design
prevents issues such as bridging,
ensures that the internal diameter of
misalignment, stencil smear, stencil
the cartridge is consistent from top
blockage and reduced paste
to bottom.
volume. Further improvements
include faster set-up, on-board
www.efd-inc.com
guidance, enhanced operator can be adjusted on a graphical bar, process control and operator
prompts and automated post-print plus graphical representation of efficiency. Combining two
inspection feedback highlighting inspection data and a full page powerful technologies, 2Di V9
Coating cures
sites that require attention. zoom function for set-up and means that inspection is more
Simple touch-screen control and inspection views. A status page accurate while the V9 hardware
first-time
visual reference of process displays results in real time during delivers faster set-up and recovery.”
conditions are said to reduce production.
complexity. Users will find a library Dek’s Andy Davis, said: “2Di V9
of common control limits, which maximises machine utilisation,
www.dek.com
Big capability, small footprint
Automation specialist, Contax,
introduces the SP150
screen/stencil printer from
Essemtec. This is said to
provide the advantages of a
larger machine, including
controlled printing, digital vision
and integrated stencil cleaning A post-assembly dielectric spray, such as
while saving production floor the new Dymax Dual-Cure 9481
space. It makes reproducible print conformal coating from Intertronics, can
of up to ±20 microns available to protect against moisture, bio-hazards
small and medium sized enterprises. and low level mechanical problems.
Three versions of the SP150 are on Dual-Cure 9481 is formulated to
offer: manual loading, manual loading ensure complete cure on high density
with vision alignment and semi- circuit boards where shadowed areas
automatic with vision alignment. The often require selective coating, or a
semi-automatic version uses two secondary heat cure process. With
digital cameras that recognise when Dual-Cure 9481, shadowed areas cure
the substrate is misaligned and will over time, eliminating concerns of
stop the print cycle. Once the component degradation due to
alignment is correct the print cycle temperature exposure. For simplified
can be released. application, the coating fluoresces blue
An integrated underside cleaning when exposed to UV light and exhibits
system fitted into the front drawer low viscosity for easy dispensing.
also ensures the stencil is Field testing of Dual-Cure 9481
automatically cleaned when the indicates it is compatible with high-
drawer is pulled out for PCB loading. volume production with favourable
results from a variety of PCB
assemblers.
www.contax.co.uk
www.intertronics.co.uk
November/December 2008 Electronics Assembly
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