Robocasting

<p>Robocasting (also known as robotic material extrusion) is an <a href="/facts/Additive_manufacturing/lbvWU3t0">additive manufacturing</a> technique analogous to Direct Ink Writing and other extrusion-based 3D-printing techniques in which a filament of a paste-like material is <a href="/facts/Extruded/wM2kJ6wc">extruded</a> from a small nozzle while the nozzle is moved across a platform.[2] The object is thus built by printing the required shape layer by layer.  The technique was first developed in the <a href="/facts/United_States/P0sCdLe5">United States</a> in 1996 as a method to allow geometrically complex ceramic <a href="/facts/Green_body/dKWC8jPY">green bodies</a> to be produced by additive manufacturing. In robocasting, a 3D CAD model is divided up into layers in a similar manner to other additive manufacturing techniques. The material (typically a ceramic slurry) is then extruded through a small nozzle as the nozzle's position is controlled, drawing out the shape of each layer of the CAD model. The material exits the nozzle in a liquid-like state but retains its shape immediately, exploiting the rheological property of <a href="/facts/Shear_thinning/gX9dSHgP">shear thinning</a>. It is distinct from <a href="/facts/Fused_deposition_modelling/9g464H6S">fused deposition modelling</a> as it does not rely on the solidification or drying to retain its shape after extrusion.
</p>

Robocasting open-in-new

Robocasting