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  • Selective Laser Sintering

    Posted by S. Kelly on 9/9/2017 10:22:13 AM


    SLS stands for Selective Laser Sintering and makes use of high-powered lasers to ‘sinter’ together powderized composites.

    1. Powder is encased in a build chamber and the printer heats the material to just below its melting temperature.
    2. A high-powered laser traces a cross-section of the design, sintering together unfused powder. Pre-heating the powder allows the laser to sinter the material more quickly. 
    3. The build platforms lowers by one layer (layer height varies by machine but is usually between 50 and 200 microns)
    4. A new layers of powder is distributed atop the sintered material at a height of one layer. 
    5. The next cross-section is sintered and the process repeats. 

    Unlike most other 3D printing technologies, parts printed using SLS don’t require any support structures. Objects are always surrounded by powder and this supports the geometry as it prints.

    Read more on the Pinshape Blog!

    Selective Laser Sintering Process

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