Method Technology Materials used
Extrusion Fused deposition modeling (FDM or FFF) Thermoplastics (such as polylactide (PLA), acrylonitrile butadiene styrene (ABS), etc., including composites.)
Powder Selective laser melting (SLM) Titanium alloys, cobalt-chromium alloys, stainless steel, aluminum
Selective laser sintering (SLS) Thermoplastics, metal powders, ceramic powders
Polymerization Stereolithography (SLA) Resin
Digital LED projection (DLP) Resin
Multi-jet modeling (MJM) Resin

1. A special case of 3D printing with thermoplastics is FDM technology.

Layer-by-layer application of the material by extruding the polymer through a die (nozzle) and bonding the next layer to the previous one by means of adhesion. Adhesion is due to intermolecular interactions in the surface layer and is characterized by the specific work required to separate surfaces.

All the temperature from the heating block is transferred to the model, which significantly affects the accuracy of the manufacture of products, especially with small sizes (up to 1 cm). With this 3D printing technology, we print with the following materials: PET-G (FDM), ABS (FDM), PLA (FDM), WAX (FDM), SBS (FDM), Nylon (FDM), Ceramo (FDM), Composite (FDM), TPU Flex (FDM), ABS M30 (FFF), ASA(FFF)

2. A special case of 3D printing with polyamide powders is the SLS technology.

Selective laser beam sintering of preliminarily thin-laid layers of material. With this 3D printing technology, we print with the following materials: Polyamide PA2200 (SLS), Polyamide PA12 (SLS), TPU Flexa Black (SLS). 

3. A special case of 3D printing with metal powders is the SLM technology.

Selective melting by a laser beam of preliminarily thin-laid layers of metal powder. With this 3D printing technology, we print with the following materials: Steel (SLM), Aluminum (SLM). 

4. A special case of 3D printing with UV approved resins – SLA, DLP, MJM technologies.

Any principle can be used as material presentation. It can be a container of liquid, it can be an extruder with fine nozzles. The technology itself consists in the local solidification of a liquid photopolymer resin by targeted exposure to UV radiation. With this 3D printing technology, we print with the following materials: Resin (SLA), VisiJet (MJM), VisiJet WAX (MJM),  Burnout resin (SLA), Dental resin (SLA). 

 

 

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