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Stereolithography (SLA) Prototype
Parts
Our SLA machines use 3D CAD
geometry to create an exact model of your
design.
The 3D CAD model is sliced into thin
cross-sections or layers. An
ultraviolet laser solidifies each layer onto the
surface of the liquid photo polymeric resin. The
solidified layers lower into a liquid bath until
all cross-sections are built into a solid replica
of your original 3D CAD model. This
process takes a matter of hours to complete. Models can
be produced from a semi flexible resin or a rigid
water clear resin that can be hand polished to be
transparent.
Finished models can then be snapped
together, drilled, tapped, painted, or even used
as a cast part mold master. SLA models
are often used for marketing presentations,
investor and customer feedback, visual
verification, form and fit, and design
modification. The SLA
process can hold tolerances of +/- 0.005 of an
inch and produce features as small as 0.012 of an
inch.
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| Types
of Stereolithography (SLA) part finishes |
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Level 1 cleanup
build support removal on all part surfaces
- Level
2 cleanup
slice resolution removal on customer specified
surfaces (normally) outside surfaces, inside
and/or underside surfaces normally consist of
a basic Level 1 cleanup.
- Level
2 cleanup for Painting purposes;
slice resolution removal on specified surfaces
(normally) outside surfaces, inside and/or underside
surfaces normally consists of a basic Level
1 cleanup, outside surfaces are primered for
painting.
- Level
3 cleanup
polished surfaces (per customer specifications),
inside and/or underside surfaces have a basic
Level 1 cleanup.
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| Data
Base Files Preferred File Preferred |
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| Pro-E |
(.igs) |
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| Solid
Works |
native
part file (*.sldprt) |
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| AutoCAD/Mechanical
Desktop |
spatial
ascii text file (*.sat) |
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| SDRC
Ideas |
stl
file (*.stl) |
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| Solid
Designer |
spatial
ascii text file (*.sat) |
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| Other
CAD programs |
trimmed
surface iges file (*.iges) |
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***Click
here to send files |
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view
(SLS)
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