DLS, which stands for Digital Light Synthesis, eliminates some of the shortcomings that come from other 3D printing technology. DLS works by projecting a continuous sequence of UV light which is generated by a digital light projector through an oxygen-permeable, UV-transparent window below a liquid resin bath. The “dead zone” created above the window maintains a liquid interface below the object. Above the dead zone, the curing part is drawn out of the resin bath.
HP Multi Jet Fusion Technology has the ability to produce parts with controllable physical and functional properties at each point in a part. The cost-effective HP 3D printers are tailored for prototyping, small/medium-sized product development as well as short run manufacturing.
Its hallmarks include precision, speed and affordability; the technique uses a liquid building process to create very fine details when the product hardens. It’s a truly customizable technology offering many choices for material, color and finish.
PolyJet also accommodates very complex shapes, but with a material that mimics rubber, with high flexibility. It offers some of the softest edges and smoothest finishes available.
FDM creates prototypes that can endure extreme climates, exposure to chemicals, and mechanical stress — this is for products that need exceptional durability and strength. It’s best for plastic products that feature fairly solid structures.
SLS can create complex shapes in plastic, metal, ceramic or glass, and, based on the material used, can produce a very high-density product.
DMLS is used strictly for metal products — including steel, chromium and titanium — and creates very complex shapes using a fiber optic laser. The ability to quickly produce a unique part is the most obvious because no special tooling is required and parts can be built in a matter of hours.
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