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Thread: Intersting Technology

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    Registered User REDC650GT's Avatar
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    Intersting Technology

    This sounds interesting, I wonder if this will reduce the weight on bigger bikes.

    38d90c4807da7f859e9af24ee7905fcf2d68c980.jpg

    http://www.france24.com/en/20160520-...nted-motorbike

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    Registered User 36654's Avatar
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    Quote Originally Posted by REDC650GT View Post
    This sounds interesting, I wonder if this will reduce the weight on bigger bikes.

    38d90c4807da7f859e9af24ee7905fcf2d68c980.jpg

    http://www.france24.com/en/20160520-...nted-motorbike
    If they can produce consistent material properties in the 3-D print material (several companies and labs are working it) then yes, it is cool. For decades SLA has been used for investment casting patterns. Directly printing the hollow metallic structure is the new thing.
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    I'm not versed in 3d printing, but from a lay metallurgical perspective, it's hard to see how metal deposited in layers can be optimized for the desired material properties, while still being compatible with the process.

    It's like MIM parts versus forged parts... MIM facilitates production but forged is stronger.

    3d printing seems like it would be one big weld at best.

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    Airbus, and others, have been 3D printing things like turbine blades (easier than machining them) for some years now. If you can print a turbine blade, you can print a bike frame - if they can get the cost down.

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    Registered User 36654's Avatar
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    Quote Originally Posted by bobs_one View Post
    Airbus, and others, have been 3D printing things like turbine blades (easier than machining them) for some years now. If you can print a turbine blade, you can print a bike frame - if they can get the cost down.
    Airbus doesn't build turbine or compressor blades. GE, Pratt and Rolls-Royce do that. The development and certification of 3-D printed parts for critical components is a work in progress.
    Cave contents: 16 R12RS, 13 Toyota Tacoma, 03 Simplicity Legacy, 97 Stihl FS75, Dewalt DW625 & SawStop PCS175
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    Registered User 36654's Avatar
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    Quote Originally Posted by kolbenfresser View Post
    I'm not versed in 3d printing, but from a lay metallurgical perspective, it's hard to see how metal deposited in layers can be optimized for the desired material properties, while still being compatible with the process.

    It's like MIM parts versus forged parts... MIM facilitates production but forged is stronger.

    3d printing seems like it would be one big weld at best.
    You hit the nail on the head....
    Cave contents: 16 R12RS, 13 Toyota Tacoma, 03 Simplicity Legacy, 97 Stihl FS75, Dewalt DW625 & SawStop PCS175
    1) My expectations are never low enough & 2) Incompetence is infinite ........David Brooks

  7. #7
    Has the GS-Lust The_Veg's Avatar
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    Who says it has to be metal? Lots of interesting stuff happening with other materials. Those other materials may not be winners *now,* but stay tuned...
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