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  1. #1
    Some of the problems with this system are:

    It is limited to photopolymers where polymerization is inhibited by oxygen.
    Build speed is limited to photopolymers that don't cure to quickly (do to the exothermic heat produced) or the oxygen permeable barrier will melt.
    Limited to smaller XY build areas unless you have a seamless projection system with multiple projectors or steering.

    @SouthPaw The oxygen permeates through the bottom of the vat. It's not a complicated system. There are no ultrasonics involved.

    Look for oxygen permeable polymer films used in food packaging or contact lenses. This system really isn't new. Let's see how their investors feel in a year or two after the system hits the market.

  2. #2
    Quote Originally Posted by cation View Post
    Some of the problems with this system are:

    It is limited to photopolymers where polymerization is inhibited by oxygen.
    Build speed is limited to photopolymers that don't cure to quickly (do to the exothermic heat produced) or the oxygen permeable barrier will melt.
    Limited to smaller XY build areas unless you have a seamless projection system with multiple projectors or steering.

    @SouthPaw The oxygen permeates through the bottom of the vat. It's not a complicated system. There are no ultrasonics involved.

    Look for oxygen permeable polymer films used in food packaging or contact lenses. This system really isn't new. Let's see how their investors feel in a year or two after the system hits the market.
    Material Choice

    This is from their website, does it sound like they're covering a wide range of applications with what I'd assume is a diverse variety of build material properties?

    "Our process makes it possible to exploit a huge range of materials desired for production-quality parts.

    We’re able to draw from the whole polymer family to meet highly specific application requirements. Elastomers, for example, cover a range of needs, from the high elasticity needed for athletic shoes to the strength and temperature resistance needed for automotive parts."

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