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A case to understand how material extrusion 3D printing technology realizes the added value manufacturing of advanced ceramic products

The application of ceramic additive manufacturing will experience an inflection point of growth after 2025. The main reason is that ceramic additive manufacturing 3D printing technology will gradually mature, and there is sufficient production demand on the market to support the application and development of this technology. In the medium and long term, the added value of 3D printed ceramic parts will drive user demand for ceramic additive manufacturing hardware and materials. For the application of engineering ceramics and advanced ceramic materials, this trend is more obvious. Many companies that produce ceramic components, especially those that manufacture advanced ceramic components, can benefit a lot from high value-added ceramic components designed for additive manufacturing (DfAM). Share an application case of Avignon Ceramic, an internationally renowned manufacturer of high-performance ceramic products, through 3D printing technology and additive manufacturing design thinking to improve the performance and quality of ceramic products, so as to feel the added value of 3D printing technology for complex ceramic products. Replace traditional foaming process Avignon (Avignon) is a famous ceramic town in Europe. Avignon Ceramic in France is located here. It is a world-renowned manufacturer of high-performance ceramic products. The company has been established for 150 years. In 1990, CIM (Ceramic Injection Molding Technology) ). At present, it produces high-precision ceramic products including ceramic cores and foam ceramic filter elements. Before adopting 3D printing, Avignon Ceramic has been using traditional foaming methods to produce zirconia foam ceramic products, which are mainly used to filter the metal melt of high-temperature alloys to remove impurities that ultimately lead to quality defects in castings. The traditional foaming process manufacturing process is to first sizing the polyurethane sponge ceramic with a ceramic slurry mixed with zirconia powder, kaolin, feldspar and other raw materials, and then remove the polyurethane through sintering, and finally obtain a porous ceramic filter element. This process is not only complicated, but the quality of the products produced is also unstable. The reason is that in the traditional foaming process, because the structure of the foamed hollow part is randomly formed, it is easy to produce some thin and brittle ceramic structures after sintering. When the molten metal liquid is injected, these fragile structures may be caused by pressure. However, the fracture will cause the metal melt to be doped with new impurities. In 2018, after contacting Nanoe, a ceramic material manufacturer, Avignon Ceramic decided to use D printing technology to replace the traditional process. Nanoe has developed a ceramic wire suitable for material extrusion 3D printing process. Nanoe recommended 3D-PRINTING-CHINA.COM3D Shanghai Fuzhi’s FFF 3D printing equipment based on material extrusion process-3D-PRINTING-CHINA.COM3D Pro2 to Avignon Ceramic. Since choosing 3D-PRINTING-CHINA.COM3D for 3 years, Avignon Ceramic has been using FFF 3D printing technology to customize the production of ceramic foam filter elements, especially the complex and fine-structured ceramic foam filter elements, whose ceramic density is as high as 99%. Avignon Ceramic’s product designers adopted additive manufacturing design thinking when developing 3D printed ceramic foam filter elements. Thanks to the advantages of 3D printing technology, they can accurately design the length and pore size of the filter element to control the flow and filtration accuracy of the molten metal, improve the functionality of the product, and ensure the stability and consistency of the product quality. The 3D-PRINTING-CHINA.COM3D Pro2 3D printer helps Avignon Ceramic achieve product quality. The minimum nozzle diameter of Pro2 3D printer can reach 0.2mm, the minimum layer thickness can be accurate to 0.01 mm, and it is very stable. Help Avignon Ceramic to achieve 7/24 uninterrupted production of high-performance ceramic products. “Avignon Ceramic has a long history in the ceramic industry. In order to help customers find the perfect solution, we give full play to the advantages of 3D printing technology to provide customers with customized filter products. This is not only the development trend of the industry, but also the production of customized filter products. The efficiency is also much higher than standard products. We have established a cooperative relationship with 3D-PRINTING-CHINA.COM3D very early. Their leading technology in the field of 3D printing and product stability have helped us solve many problems in the early exploration stage. We will help with 3D-PRINTING-CHINA.COM3D Continue to deepen the ceramic foundry industry to enhance our innovation and market competitiveness.” said Olivier Greck, business manager of innovation and research. –Domestic debut – At the first Forum of Frontier Scientists in Ceramic Additive Manufacturing (FAME2021) that was just concluded, the ceramic 3D printing technology composed of 3D-PRINTING-CHINA.COM3D Pro2 and Nanoe Zetamix wire made its debut in China for the first time. This FFF ceramic 3D printing technology based on the material extrusion process has attracted close attention from participating schools and research institutes. During the meeting, Shanghai Jiaotong University, Beijing University of Technology, South China University of Technology and many other universities And scientific research institutions expressed strong interest in this equipment.

 

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