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 SLA
technology uses Ultra Violet light to solidify light sensitive liquid
epoxy resin. The UV laser is directed by a computer guided mirror,
which only hardens the resin it touches. The model is built layer
by layer, at generally 0.1mm thickness. Each layer is applied by submersion
of the Build Plate into the Resin Tank, and controlled to the correct
thickness by a sweep of the paddle. The model gradually drops below
the surface of the resin as it is built, and is kept off the build
platform by a support structure. This is built in the same way, prior
to building the first layer of the actual model. The finished model
is then cut away from the platform and the uncured liquid resin washed
off. |
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