(Photocuring) process the SLA is the most thorough study, the most mature technology, the most widely used as a rapid prototyping technique, the photosensitive resin surface point by point by scanning a computer-controlled laser beam, the resin sheet is scanned region ( about three tenths millimeters) polymerization reaction to produce a cured, form part of a thin layer. A work platform down the layer thickness of the surface of the cured resin and then covered with a new layer of liquid resin, scan processing of the next layer, and so forth, until the entire model making is completed. Since the photopolymerization reaction is based on the effect of light rather than on the action of heat, so that only low power laser light source during operation.

Features
a. UV laser spot, the spot diameter <0.15mm by
b. Forming high precision, fine structures can be formed (such as rings, necklaces)
C. Parts made arbitrarily complex structures (such as hollow hollow member)
D. Finish surface (the surface RA <0.1um)
E. molding process is highly automated, simple post-treatment (point support, ease of removal)
F. high utilization ratio, nearly 100%

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