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  • There Is A Lot Of Media Attention On 3D Printing Today, But It Has Not Been Always Like This. 0 comments
    Mar 21, 2014 1:34 PM

    Until few years ago, 3D printing was a niche technology used mostly for prototyping and creating models of small-size structures for some selected applications. For example, it was used, albeit not extensively, in producing small-scale models of buildings, mechanical parts, tools and other objects.

    However, since the technology has been adapted to fit other applications as well, it has been possible to use 3D printing to actually create or even mass produce various components for the aerospace, consumer, healthcare, automotive and other industries.

    In other words, 3D printing has moved from the stage of technology for model prototyping to the stage of real-world manufacturing along with other classical technologies for mass production of components such as vacuum casting, injection and plastic molding and CNC-controlled lathing and machining.

    While it is unlikely that 3D printing may supplant any of the above technologies anytime soon, many analysts agree that 3D printing has many advantages if compared to other classical methods of mass production such as a very high flexibility in the production mix and no or very few re-tooling requirements.

    Flexibility in the production mix means that it is possible to 3D print many different shapes and forms using a variety of materials without any strong requirement of customization of the printing machine.

    This allows the 3D printer to be able to produce everything from the single component to the small-lot production pre-series up to high-volume production

    Flexibility in the production scale also means adaptability to be used in several different markets: in the aerospace and healthcare markets were low-volumes and customization of the product are in most cases a must.

    Several players are active in the 3D printing arena: some of them are from Europe, such as EnvisionTec from Germany or LayerWise from Belgium, other are from the US, such as Organovo and ExOne.

    Arcam of Sweden and Renishaw of the United Kingdom are also smaller players which are growing up fast to join the ranks of the big guys.

    While 3D printing may seem a unique and well defined technology to many, it comprises a number of different methods of printing the final product: laser sintering and laminated object manufacturing being some of them, along with stereo-lithography and electron-beam melting

    Desktop inkjet printing is also needful for very small-scale, lab sized applications, where very few pieces need to be manufactured at low cost for research or product development applications.

    Other market segments where 3D printing is expected to become widely adopted are small-variety large-lot production markets such as the automotive and architecture markets. While there is still a huge gap in what dimensionally can be printed today and the size of what would be needed to print in the architecture market, that is, a portion of building or an entire chassis of a car, there are no inherent limitations in the technology that would prevent the creation of very large 3D printing machines capable of 3D printing virtually any other object which is mass produced today by other means.

    About the Author-

    This article was written by Matteo Martini, author and CEO of Martini Tech, a company that provides nanoimprint, PSS patterning, MOCVD deposition, sputtering, MEMS foundry, GaN wafer, GaN LED Technology and other microfabrication-related services. Please have a look at our blog.

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