3D Printing Technologies 2020-08-10T12:33:25+00:00

3D Printing Technologies

[3 minutes reading time]

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What 3D printing technologies are out there?

There are many different technologies, each assigned to a different type of material. Here you will find an explanation of the most important technologies.

Extrusion
FFF (Fused Filament Fabrication)
Thermoplastic material is heated and extruded, then a cross-section of the model is deposited. This process is repeated layer by layer until it is complete.

 

CFF (Continuous Filament Fabrication)
Printers use a second die to lay continuous filaments of composite fibres in FFF extruded thermoplastics during printing. Strong, stiff parts are achieved by reinforced fibers.

 

ADAM (Atomic Diffusion Additive Manufacturing)
Metal powder is bound with plastic and deposited layer by layer. When it is ready, it is washed to melt the binder and sintered in a furnace to form an isotropic metal part.

 

Laser-Fusion

SLS (Selective Laser Sintering)
A roller sweeps new powder for each new layer, while a laser bonds the material together. The chamber is moved down for the next layer of powder, which is repeated until the part is complete.

 

SLM / DMLS (Selective Laser Melting / Direct Metal Laser Sintering)
Powders are precisely melted to build up a metal part. Layers of metal powder are dispersed or then melted with a laser to fuse powders together.

Light curing

DLP (Direct Light Processing)
Photopolymers are cured with light projected from below the resin container. The photopolymers are in liquid form and rise layer by layer from the resin tank.

 

SLA (Stereolithographie)
Photopolymers are selectively cured with a UV laser. The resin is cured to form a cured layer, repeating this process layer by layer until it is complete.

 

Strength liability
Binding agent nozzles
Powder is deposited and an adhesion promoter is applied to bind the particles together. No supporting structures are required, i.e. the building board can be equipped with several parts.

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Practical Examples

You can find some case studies and how much cost and time can only be saved by replacing an aid.

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This white paper provides structure and clarity to that task by demonstrating strategies and applications for integrating high strength AM opportunities on the manufacturing floor.

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Would you like to receive non-binding advice on the Markforged 3D printers and the Blacksmith Software?

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Mark3D UK Limited
The Innovation Centre
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Phone: +44 121 222 5510
Email: printstronger@mark3d.co.uk

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