Stereolithography produces 3D printed parts by using a high powered laser to harden a photosensitive resin into 3D solid plastics.
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What is Stereolithography Apparatus?
Stereolithography Apparatus (SLA), also called stereolithography, optical fabrication, photo-solidification, or resin printing, is a common 3D printing process that uses a high powered laser to flash harden a liquid resin into the desired shape. A tank is filled with a liquid resin, usually a clear, liquid plastic. The laser draws each layer, instantly solidifying the resin where it makes contact. This process continues along each horizontal cross-section until the part is complete.
After the part is finished, and the excess resin is drained, the part is heated in a UV oven to be cured. This allows the part to become more sturdy and stable.
- One of the most precise 3D printing processes.
- Tight dimensional tolerances.
- Smooth print surfaces.
- Part volumes can be large without losing precision.
- Optics and covers.
- Molds and casting patterns.
- Display models.
- Mechanical parts.