TECHNOLOGY | PRODUCT DEVELOPMENT
just under 50% larger than on the Freeformer 200-3X. The build chamber of the large Freeformer offers space for larger small-volume batches and parts with dimensions of up to 234 × 134 × 230 mm. 3X stands for the moving axes of the part carrier in the x, y and z directions. A closed cooling system with an industrial cooling water connection is available as an option. This will enable materials to be processed at high build chamber tempera- tures of up to 200°C in the future. The two-piece build chamber door is another new feature and allows, for example, that the feed hoppers can be refilled during ongoing operation by opening the top half of the door. The heated build chamber now only needs to be opened for inserting the part platform and removing the finished parts. Due to the automatic opening and closing function of the build chamber door, the Freeformer 300-3X can be integrated in IT-networked production lines. With its Freeformers in sizes 300-3X and 200-3X,
Arburg covers a broad spectrum for industrial additive manufacturing. The APF process is particularly suitable for industrial additive manufac- turing of functional components. This includes individual plastic parts for consumer goods, spare parts made of original materials and implants for medical technology. FDA-approved TPE-S (Medal- ist MD 12130H) with Shore A hardness 32 can only be processed on the Freeformer. At Rapid + TCT 2019, a Freeformer 200-3X with two discharge units processed the material to produce compo- nents with honeycomb structures that could be used for lightweight construction or as filter elements, for example. In the Arburg Prototyping Center (APC) in
Lossburg, Germany, a number of Freeformers produce benchmark parts for prospective custom- ers. Preliminary trials are conducted to determine whether the technology is actually suitable for the desired part, material and application. Further
The new EOS LaserProFusion technology significantly shortens exposure times, regardless of the number of parts and their geometry
PHOTO: EOS
Above: Materialise has extended its 3D printing materials offering with the new Ultrasint TPU 01. Its durable elasticity and abrasion resistance make it an ideal material for applications like air ducts, complex tubing, grippers and seals
machines are used for the same purpose at the company’s subsidiaries across the world, including in the US. The latest development from EOS is the Laser-
ProFusion technology for polymer additive manu- facturing; with nearly one million diode lasers melting the material, building up the part layer by layer. The company says that this build process is so productive that it can serve as an injection moulding alternative for many applications. The company says that instead of the laser sintering process used to date with a single CO2
-laser
moving along the entire build area, this new technology uses up to one million lasers. These can achieve a maximum total output of up to 5 kW. For each layer, only the diode lasers are activated that match the CAD data of the part – right down to the exact pixel. The new technology significantly shortens exposure times, regardless of the number of parts and their geometry. Materialise has extended its 3D printing
materials offering with the new Ultrasint TPU 01. TPU is a fully-functional, flexible material, making it ideal for resistant and elastic parts. Developed by BASF for HP’s new Jet Fusion 5200 Series, Ultrasint TPU combines smooth surface quality and crisp details with good mechanical properties. Its durable elasticity and abrasion resistance make it an ideal material for prototyping and manufacturing applica- tions like air ducts, complex tubing, grippers and seals. Due to its flexibility, shape recovery and shock absorption qualities, TPU is also perfectly suitable for small series of protective housings and covers.
72 INJECTION WORLD | October 2019
www.injectionworld.com
PHOTO: MATERIALISE
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