Stereolithography Prototype, SLA Prototyping
Stereolithography (SLA; also known as optical fabrication, photo-solidification, solid free-form fabrication and solid imaging) is an additive manufacturing (or 3D printing) technology used for producing models, prototypes, patterns, and production parts.
SLA prototype Sample
  Advantages
1. Time savings: functional parts can be manufactured as shortly as within a day.
2. Prototyping accuracy is 0.1mm.
3. High resolution prototypes.
4. Cost savings.
  Applications
SLA laser Stereolithography rapid prototyping technologies suitable for the production of small and medium parts, directly from the resin or plastic-like product. Mainly used for prototyping of concept models, or used to make simple assembly test, inspection and process planning.

  Technical Overview of Stereolithography Rapid Prototyping
 Technical Overview of Stereolithography
Stereolithography is an additive manufacturing process which employs a vat of liquid ultraviolet curable photopolymer "resin” and an ultraviolet laser to build parts' layers one at a time. For each layer, the laser beam traces a cross-section of the part pattern on the surface of the liquid resin. Exposure to the ultraviolet laser light cures and solidifies the pattern traced on the resin and joins it to the layer below.
After the pattern has been traced, the SLA's elevator platform descends by a distance equal to the thickness of a single layer, typically 0.05 mm to 0.15 mm (0.002" to 0.006"). Then, a resin-filled blade sweeps across the cross section of the part, re-coating it with fresh material. On this new liquid surface, the subsequent layer pattern is traced, joining the previous layer. A complete 3-D part is formed by this process. After being built, parts are immersed in a chemical bath in order to be cleaned of excess resin and are subsequently cured in an ultraviolet oven.
specification   Technical Specifications for SLA Prototyping
Technique Specifications for National Rapid Prototyping Engineer Center of China Equipment
Build Speed 60g/h
Thickness 0.05~0.2mm
Max build size(XYZ) 450*450*350 mm; 600*600*400mm
Resolution ±0.1mm(≤100mm);±0.1%(>100mm)
Material Laser curable photopolymer "resin"

cases SLA Rapid Prototype Sample
  •  SLA rapid prototype
    SLA rapid prototype sample
  •  SLA rapid prototype
    SLA rapid prototype sample
  •  SLA rapid prototype
    SLA rapid prototype sample

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