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voxeljet, Loramendi showcase VJET X sand casting at BMW Group

Using sand binder jetting significantly reduces emissions in the AM process of metal parts, making new designs possible 

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voxeljet AG (NASDAQ: VJET) and Loramendi released a new video to demonstrate the world’s first fully automated additive serial 3D production line for sand cores, jointly developed as part of the Industrialization of Core Printing (ICP) cooperation project.

The video above features the implementation of the first ICP production line at BMW Group’s plant in Landshut, Germany. As BMW Group’s largest component plant, Landshut has approximately 3,500 employees and supplies all of its vehicle and engine plants worldwide, including for nearly all BMW, MINI and Rolls-Royce vehicles, and for its motorcycle brand, BMW Motorrad.

The customized, low-emissions solution integrates voxeljet’s high-speed VX1300-X (VJET-X) 3D printers into a fully automated pre- and post-processing workflow, including industrial microwaves for curing the 3D printed cores. Printing rates were increased by a factor of ten with the latest generation of VJET-X 3D printers, and the toolless design of the sand cores allowed for variant changes at unprecedented speed without time-consuming tool changes and production downtime. The unused material is 100% recycled and reused in the production process.

“The fully-automated 3D production line at BMW’s Landshut plant is a key milestone not only for voxeljet, but for the entire 3D printing and automotive industry,” said Dr. Ingo Ederer, founder and CEO of voxeljet. “We believe this customized, near-zero emissions solution achieved in partnership between voxeljet, Loramendi and BMW will become an industry standard.”

Together, voxeljet and Loramendi are revolutionizing the industrialization of core printing. The production of inorganic 3D printed cores has enabled BMW Group to advance the design of its engine components. For example, the cylinder head for BMW’s B48 engine has been significantly improved by using 3D printing to produce water jacket–outlet combi cores. Additionally, 3D printing allows BMW to produce sand cores in one piece, reducing the complex design of engine components while optimizing the engine’s efficiency and fuel consumption. The inorganic 3D production line also significantly reduces the foundry’s emissions, as only water steam is produced during the casting process.

voxeljet’s powerful next-generation binder jetting 3D printing technology offers the highest additive productivity and throughput to meet the demands of BMW’s large-scale production needs. voxeljet’s layer-by-layer technology works by using sand and an inorganic binder. A print head selectively bonds layers of sand to create the cores, which are then unpacked, microwave-cured, cleaned and inspected before being fed into BMW’s established casting process. voxeljet has obtained one patent and has ten patent families with 28 patent applications that protect this proprietary approach across the United States, Europe, and other geographies.

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Davide Sher

Since 2002, Davide has built up extensive experience as a technology journalist, market analyst and consultant for the additive manufacturing industry. Born in Milan, Italy, he spent 12 years in the United States, where he completed his studies at SUNY USB. As a journalist covering the tech and videogame industry for over 10 years, he began covering the AM industry in 2013, first as an international journalist and subsequently as a market analyst, focusing on the additive manufacturing industry and relative vertical markets. In 2016 he co-founded London-based VoxelMatters. Today the company publishes the leading news and insights websites VoxelMatters.com and Replicatore.it, as well as VoxelMatters Directory, the largest global directory of companies in the additive manufacturing industry.

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