3d printed titanium bicycle

  • kew1

    Posts: 1595

    Feb 15, 2014 2:58 PM GMT
    http://www.dailymail.co.uk/sciencetech/article-2556707/The-3D-printed-BICYCLE-Worlds-printed-titanium-bike-frame-light-strong-needs-gluing-together.html
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    Feb 15, 2014 11:00 PM GMT
    I'm so infatuated with 3-D printing. In its more advanced stages it will truly revolutionize humanity.
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    Feb 16, 2014 4:40 AM GMT
    Sounded bogus to me since current 3d printers are "printing" by squirting molten plastic or plastic resin or whatever it is. Reading the comments clarified it:

    Just had a look at Renishaw's website - It's MUCH more interesting than this article: Renishaw's laser melting is an additive manufacturing technology that uses a high powered ytterbium fibre laser to fuse fine metallic powders together to form functional 3-dimensional parts. The process is digitally driven, direct from sliced 3D CAD data, in layer thicknesses ranging from 20 µm to 100 µm that form a 2D cross section. The process then builds the part by distributing an even layer of metallic powder using a recoater, then fusing each layer in turn under a tightly controlled inert atmosphere. Once complete, the part is removed from the powder bed and undergoes heat treatment and finishing depending on the application.