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Fused filament fabrication (FFF), also known as fused deposition modeling (with the trademarked acronym FDM), or filament freeform fabrication, is a 3D printing process that uses a continuous filament of a thermoplastic material. [1] Filament is fed from a large spool through a moving, heated printer extruder head, and is deposited on the ...
FDM (fused deposition modeling) printing is one of the most popular types of 3D printing, [1] it is used throughout different engineering industries (medical, robotics, automotive) [1] and also has a great number of individual users that enjoy 3D-printing as a hobby. [2] FDM printing is so popular because it can produce near finished models of ...
3D printing, or additive manufacturing, is the construction of a three-dimensional object from a CAD model or a digital 3D model. [1] [2] [3] It can be done in a variety of processes in which material is deposited, joined or solidified under computer control, [4] with the material being added together (such as plastics, liquids or powder grains being fused), typically layer by layer.
In 2005, a system was development at the Drexel University, based on material extrusion, consisting of a mini-extruder with a single screw mounted on a high-precision positioning system, fed with bulk material in granulated form (pellets); [6] In 2015, a 3d printing machine was developed at Politecnico di Milano for MIM metals and CIM ceramics ...
Multi-material 3D printing is the additive manufacturing procedure of using multiple materials at the same time to fabricate an object. Similar to single material additive manufacturing it can be realised through methods such as FFF , SLA and Inkjet (material jetting) 3D printing .
He also runs Fortus, RedEye on Demand, and Dimension Printing – business units of Stratasys. [citation needed] Crump managed the early work on another innovation used by FDM machines, the ABS plastic filament, which allows engineers to formulate fully functional parts that have up to 75% of the strength of an actual molded part.
3D Systems manufactures stereolithography (SLA), fused deposition modeling (FDM), selective laser sintering (SLS), color-jet printing (CJP), multi-jet printing (MJP), and direct metal printing (DMP, a version of SLS that uses metal powder) systems. Each technology uses digital 3D data to create parts through an additive layer-by-layer process.
In 2003, Stratasys fused deposition modeling (FDM) [11] was the best-selling rapid prototyping technology. [12] FDM is a process that the company patented, which is used to produce three-dimensional parts directly from 3D CAD files layer-by-layer for use in design verification, prototyping, development and manufacturing.
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