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Lattice structure tensile specimen manufactured with laser melting (LM) process out of the material H13. Show image information
Industry partners of the DMRC. Show image information
Industry partners of the DMRC. Show image information
Quality control during a Laser Sinter (LS) build job by a researcher of the DMRC. Show image information
Fused Deposition Modeling (FDM) process during the manufacture of an Ultem 9085 part. Show image information
Additive manufactured reaction wheel bracket for telecomunication satellites. Show image information
Employees of the DMRC working with the "freeformer" from Arburg. Show image information
Tactile measurement of a SLM part with a Coordinatemeasuring machine (CMM). Show image information

Lattice structure tensile specimen manufactured with laser melting (LM) process out of the material H13.

Industry partners of the DMRC.

Industry partners of the DMRC.

Quality control during a Laser Sinter (LS) build job by a researcher of the DMRC.

Fused Deposition Modeling (FDM) process during the manufacture of an Ultem 9085 part.

Additive manufactured reaction wheel bracket for telecomunication satellites.

Employees of the DMRC working with the "freeformer" from Arburg.

Tactile measurement of a SLM part with a Coordinatemeasuring machine (CMM).

Processes

This section briefly describes three categories of AM-technologies that are currently considered in the DMRC . This comprises Laser Sintering (LS), Fused Deposition Modeling (FDM) and Laser Melting (LM). For each category the technology is characterized in detail, providing technical and material data as well as a description of the process principle.

Laser Sintering (LS) represent an additive manufacturing technique in which powdered plastic materials
are selectively sintered. The energy to locally fuse the powder is performed by a laser beam. After all layers are built, the part can be removed from the powder bed. The remaining powder is reusable for future production builds after being blended with new powder.

Using Laser melting (LM), powdered metal material is selectively melted layer by layer via lasers. In the process, the powder bed fuses through solidication. The process uses a high powered Ytterbium fiber laser to fuse the powder. The metal is fully melted into a solid homogeneous mass.

Fused Deposition Modeling (FDM) is an additive technique using a thermoplastic material. An extrusion head selectively deposits the molten thermoplastic filament to create each layer with a particular toolpath. Through thermal fusion, the material bonds with the layer beneath and solidifies, thus forming a permanent bond between two layers.

Unlike conventional additive manufacturing techniques, with ARBURG Plastic Freeforming (APF), qualified standard granulates are melted as in the injection moulding process. The freeformer uses tiny droplets of plastic to build the part on the basis of 3D CAD data.
Source: arburg.com

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