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EOS will introduce the M 400-4 Direct Metal Laser Sintering (DMLS) system at the IMTS show in Chicago on September, 12-17. Designed for industrial applications, the ultra-fast, quad-laser system expands the EOS DMLS offering by building on established EOS technology, yet taking it to the next level in terms of productivity, part quality and scalability to meet manufacturing requirements.  

Andreas Graichen, Group Manager, Finspang Additive Manufacturing Centre of Competence, Siemens Power Generation Services states: “We chose the EOS M400-4 system to bring our AM activities to the next level: from a small scale, single laser unit to a larger scale, multiple laser unit. By using a wider building platform, with the higher productivity it provides, and pairing it with a new handling system, new thinking in gas turbine design can be brought into the industrial workshop.” And he adds: “The Additive Manufacturing technology provides us with the speed and efficiencies needed to progress in the energy industry’s fast-moving digital environment. And as such makes Siemens a unique player in the field of highly efficient power generation technologies.”

Dr. Adrian Keppler, Chief Marketing Officer (CMO) at EOS ads: “Following our strategy to establish the Additive Manufacturing technology for production in all industries we have developed this pioneering DMLS system. The EOS M 400-4 is a perfect addition to our industrial systems portfolio. It shatters the boundaries of manufacturing as it meets the most demanding requirements of our industry partners in terms of efficiency, scalability, usability and process monitoring.” And he continues: “As the system offers a modular platform designed for industrial 3D Printing, it can easily be integrated into existing production environments and the customer set of future innovations.”

The EOS M 400-4 expands the high-performance offerings of DMLS systems. It offers a large building volume of 400 x 400 x 400 mm and is equipped with four 400 Watt lasers operating independently in 250 x 250 mm squares each including an overlap of 50 mm. The exceptional beam and power stability ensures highest DMLS part quality. The system builds on the well-established and validated process of the EOS M 290 technology. It takes innovation to the next production level as it quadruples productivity. As such it is the perfect choice for those Additive Manufacturing applications that need an up to four time’s faster production of metal parts.

As part of the EOS M 400-4 system, the patented EOS ClearFlow process gas management technology ensures optimal and consistent processing conditions. It distributes the process gas in an intelligent way to avoid interference of the lasers with side products of the melting process. In addition, the integrated industrial-grade, recirculating filter system with its long filter lifetime significantly reduces operating times and expenses.

Usability and workflow on the EOS M 400-4 have been designed to meet demanding production requirements. The intuitive software offers workflow flexibility and efficiency. The system is easily operated via a touch screen and a task-based graphical user-interface. The extensive EOSTATE Monitoring Suite ensures compliance with the requirements of industrial production: it enables monitoring of the powder bed, of a variety of parameters as well as the laser power. Data Preparation and calculation is separated from the building process: the file prepared at desk is transmitted via the network. The system focusses entirely on building parts.

Initially, the materials EOS NickelAlloy HX as well as EOS MaragingSteel MS1 will be available for the EOS M 400-4 and more materials and processes will follow soon. Parameters can be modified to meet individual application requirements using the EOS ParameterEditor.

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