EOS Modular multiple laser unit designed to meet manufacturing requirements

Author / Editor: Barbara Schulz / Barbara Schulz

Germany – With the EOS M 400-4, EOS introduces its biggest and fastest system for direct metal laser sintering (DMLS). Designed for industrial applications, the quad-laser system expands the EOS DMLS offering by building on established EOS technology, yet taking it to the next level.

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Seen at IMTS: With a build volume of 400 x 400 x 400 mm, the EOS M 400-4 is said to offer up to four times higher productivity.
Seen at IMTS: With a build volume of 400 x 400 x 400 mm, the EOS M 400-4 is said to offer up to four times higher productivity.
(Source: Schulz)

EOS, a global leader for high-end additive manufacturing (AM) solutions, introduced its quad-laser system EOS M 400-4 IMTS 2016 in Chicago. 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, the company says.

Dr Adrian Keppler, CMO at EOS says: “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.” According to Keppler, the system offers a modular platform designed for industrial 3D printing, and can be easily integrated into existing production environments.”

Building on the trusted EOS metal AM benchmark

The EOS M 400-4 expands the high-performance offerings of DMLS systems, the manufacturer explains. It offers a large building volume of 400 x 400 x 400 mm and is equipped with four 400-W lasers, operating independently in 250 x 250 mm squares each including an overlap of 50 mm. The exceptional beam and power stability is said to ensure highest DMLS part quality. According to EOS, the system builds on the well-established and validated process of EOS M 290 technology. It takes innovation to the next production level as it quadruples productivity, the company adds.

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, EOS claims.

According to EOS, usability and workflow on the EOS M 400-4 have been designed to meet demanding production requirements. The intuitive software is said to offer 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, the Germany-based company says.

Material and process portfolio: Initially, the materials EOS Nickel Alloy HX as well as EOS Maraging Steel 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 Parameter Editor.

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