To create an SLA rapid prototype, first a three-dimensional CAD part is "sliced" horizontally into cross-sections between 0.002 and 0.006 thick. The slices are fed to 3D system's stereolighography apparatus. Inside the stereolithography chamber of the apparatus, an ultraviolet laser traces the first layer of the part on a metal platen, submerged just below the surface of a
vat of photo-sensitive polymer, wherever the laser touches the liquid, it solidifies. One the layer is traced, the platen sinks the thickness of a layer below the level of the liquid. A sweeper bar moves across the surface of the last layer, making sure there is the exact amount of resin on top. The next layer is then built upon the previous layer. In this manner the entire part is built from the bottom up, with the completed section of the part remaining submerged.
SLA advantages:
a) Lead time can be shortened to 3-5 days.
b) Cost can be saved on developing new products.
c) No matter how complex your product is, we can make the parts for you without tooling if you have 3D drawings on hand.
d) Increased product quality and value
c) Increased overall company competitiveness and earnings potential.
e) Many others……
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