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SELECTIVE LASER SINTERING

Selective Laser Sintering (SLS) is a commonly used powder-based additive technology to create models, prototypes, and end-use parts in durable, engineering-grade thermoplastics. Consider SLS for applications that involve high-complexity and organic geometries, as well as parts requiring durability. SLS nests in the z direction which allows for short-run production and efficient builds. The technology is also capable of producing parts with finer details than most processes that use high-strength plastics. The composition is one of the more isotropic available from additive manufacturing.

How does the technology work? SLS uses a blade to spread a thin layer of powder over the build volume. A laser sinters the cross-section of the part, fusing the powder together. The z stage then drops one layer, and the process begins again until the build is finished. Parts are then excavated from the build powder-cake and bead blasted. The un-used powder in the build envelope acts as the support structures, so no support removal is necessary.


SLS MATERIALS LEAD TIME OPTIMAL
QUANTITY
MAXIMUM DIMENSIONS SUGGESTED MINIMUM
WALL THICKNESS
FINISH
& APPEARANCE
ADVANTAGES
& CONSIDERATIONS
Nylon PA2200 (White) 3+ Days Prototypes, Low-Volume, Short-Run Production 320mm x 320mm x 610mm 1mm
  • Medium/High Resolution
  • High Detail & Complexity
  • Dye Available (Black, Red, Blue, Green, Orange, Yellow, and Pink)
  • Nearly Isotropic
  • Parts Built Without Supports, Allowing for Complex Geometries
  • Durable Production Quality Thermoplastic
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FEATURED DOWNLOAD //

SLS Material Datasheet A Comprehensive Look at SLS Material Options From FATHOM Download Pdf
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Learn more about FATHOM's SLS services—start a conversation today!