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  1. #11
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    This is very good news!

  2. #12
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    I think a lot of metals can get a bit wierd between glowing red and vaporizing. Gold, for instance is difficult because it collapses as soon as it gets hot enough to weld... this supposes you can get parent metal and the weld material up to the same temp. The alternate is to get THAT much heat into the weld material that it sticks to whatever it hits. Are we talking about where and how much heat here ?

  3. #13
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    Aluminum is still the "Holy Grail". I would SO be in. I make car parts as a side job and it would be so much easier to laser sinter instead of removing all that material.

    Joseph

  4. #14
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    If anything can be learned from history it is that the word impossible has been a great driving force towards innovation. Perhaps when knowledge is truly free innovations will be made available as soon as they are conceived.

  5. #15
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    I'm trying to build one with a laser and icing sugar - with black toner mixed into make it absorb the light energy and melt.
    Kind of like the candyfab3000 but with a laser instead of hot air.
    Should make monster sizes possibleas my source material is so cheap. Well thats what I'm hoping.
    My current build is 1mx1mx0.5m

  6. #16
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    I think the issue with SLS machines are a few problems... 1.) the cost of the lasers needed are very expensive. 2.) you need a very advanced thermal system in place to keep the bed of powder at a very accurate temp just below melting 3.) you need to purge the build chamber from high oxygen content 4.) you have to deal with mixing powder and all that messy stuff.. I just don't see how a "home" style SLS printer is going to come about both cheaply and safely.

    these guys are on to something but still not a real SLS as lasers are not melting the same type of polyamide powder.
    Blueprinter

  7. #17
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    Wow, Blueprinter! Available to the Middle East.
    I don't think people realize that once these markets are more accessible, millions of natural born engineers will be on board.
    It's going to happen.


    SHS™ and Printer Features
    SHS™ technology uses a thermal printhead as opposed to a laser in SLS machines
    The thermal printhead applies heat on layers of thermoplastic powder in the build chamber
    Free forming of any complex geometry (minimum wall thickness is 1 mm)
    Load and print several 3D models
    100% web based interface (work with Windows, Mac and Linux)
    Removal of excess powder can take place inside the printer or in a separately powder removal station (accessory)

    Specifications
    Build chamber (mm): 200 x 160 x 140 (X * Y * Z)
    Printing speed: 2-3 mm/hour
    Layer thickness: 0.1 mm
    File formats: STL
    Printer dimensions (cm): 115 x 51 x 57 (W * D * H)

    Materials
    Thermoplastic powder optimized to work with SHS™ Technology
    Monocrome white
    Unused powder is re-usable
    No need for additional support materials - models being build are supported by the powder in the build chamber

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