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Rapid
Prototyping Processes
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Rapid
Prototyping -- Polyjet Technology
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Part
made with PolyJet Technology
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PolyJet™ technology
drives the precision inside the Eden333
from Stratasys
(available only in North America). Instead
of the single head in other FDM machines,
eight jetting heads simultaneously deposit
identical amounts of photopolymer on
the build tray with each pass along
an X-axis. UV bulbs alongside the jets
immediately cure and harden each layer
– eliminating the need for any
post-modeling curing. The result is
a perfectly smooth surface of super
thin layers down to just 16 microns
(0.0006") – fully cured, that
users can handle immediately after the
process is complete.
Unlike the messy, multi-step
baths and post processing typically
associated with expensive laser and
SLA machines, PolyJet technology fully
cures each layer of super fine UV photopolymer
model and support materials as they
are precisely deposited. There are no
special baths or time-consuming post
processing needed.
Support material separates
easily from the fully-cured model by
water jet or hand and brush – there
is no extra finishing treatment required.
Model material readily
absorbs paint and can be machined, drilled,
chrome-plated or used as a mold.
