全球科学公司和材料生产商DSMis to partner with large-scale 3D printer supplierCead。Focusing on Fused Granulate Fabrication (FGF), a type of material extrusion, the two entities will pursue the development of new feedstock, tooling and end-use applications.
DSM添加剂制造业的细分领导者运输帕特里克·杜伊斯（Patrick Duis）表示：“通过将我们的产品扩展到FGF材料，DSM为雷电竞充值全球制造商提供了最大程度的灵活性，以选择最适合其所需应用的材料和技术。”
“ FGF技术使我们能够使用高度填充的聚合物，以增加热量，机械需求和应用的性能，从而使我们更接近注射模制零件。”
The ecofriendly 3D printing method
FGF is a relative of fused filament fabrication (FFF) that, in place of a filament, uses chopped, pelletized feedstock as a material source. Essentially, this process removes the “middle man” of filament extrusion, instead converting raw material, even recycled polymers, directly to the print bed.
虽然有些3D printer OEMsare bringing FGF machines andcompatible printheads在市场上，与其细丝相对相对的FGF相比，远远不够广泛使用。正如在2018 articleby Michigan Technological University’s (MTU) Aubrey Woern and Joshua Pearce, FGF is still held back by “the accessibility of low-cost pelletizers and choppers.” One possible solution, also explored by Woern and Pearce, isopen-sourcing the construction of chopping and pelletizing equipment。
Still, applied effectively, FGF has proven to bea more environmentally friendly and economicalmethod of 3D printing. It is also a common choice for large-scale polymer additive manufacturing, due to the achievable speed of its inherent screw-extrusion system.
The advanced application of FGF
Ceadis the developer and provider of large-format Continuous Fiber Additive Manufacturing (CFAM) machines. In November 2018 the company launched its first system, theCFAM PRIME，与海洋工程公司皇家鲁斯and fiberglass reinforcement specialistPoly Productsas the first two customers.
作为新合作的一部分，CEAD和DSM“打开大门”开发了将连续纤维复合材料与高度填充的聚合物相结合的3D打印过程。DSM将从CEAD购买6轴机器人3D打印机，以进行材料开发和配置优化。手臂由意大利自动化公司提供comau, and it is operated using西门子软件。它还配备了CNC铣削和扫描功能，可在3D打印后进行后处理。
Maarten Logtenberg, CEO of CEAD, concludes, “The relationship between the 3D-printing technology and the materials that are used in the process, are key.”
“通过与DSM的这种合作及其对材料的理解，我们能够充分利用[FGF]的全部潜力。”
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Featured image shows the CEAD CFAM Prime additive manufacturing system. Photo via Gijs Lokker.
