Leading-edge laser sintering system for the production of metal products directly from CAD data.

The EOSINT M 400 offers well-known and proven laser sintering quality for new metal applications. With a building volume of 400 x 400 x 400 mm, the M 400 allows the production of large metal parts on an industrial scale – directly from CAD data and with no need for tools.

A 1 kW laser boosts productivity due to higher build rates and increased layer thickness. Two recoater blades combined with bilateral recoating reduce the non-productive time of the system and ensure high-precision layer thickness. A recirculating filter system with automated cleaning reduces filter changes and extends filter lifetime, significantly reducing filter costs.

Modular Platform

  • EOS M 400 consists of a Process Station and a Setup Station. This modular approach facilitates the easy integration of future innovations.

Enhanced Monitoring

  • Extensive monitoring features take quality management to a new level.
  • A camera integrated into the process chamber monitors the powder bed by taking single images — after recoating and after exposure.
  • Parameters such as position of z axis, laser power, scanner position, humidity, temperature and pressure are monitored continuously.

Sophisticated Software

  • Job preparation and calculation are separated from the building process: the job file prepared at your desk is transmitted via the network, while the system focusses entirely on building parts.
  • This maximizes flexibility and efficiency for applicatio development, which can be done offline as the system remains free for building.
  • This can be operated quickly and easily via a task-based layout on the touch screen.
  • The fast offline job preparation feature enables users to quickly handle complex parts and large job files.

Improved Usability

  • EOS M 400 supports the production of complex metal parts, yet the system is extremely user-friendly.
  • Based on customer input, EOS and User Interface Design GmbH (UID) have developed an intuitive graphical user interface.
  • This can be operated quickly and easily via a task-based layout on the touch screen.
  • The wizard guidance supports the system operator.

Broad Material Portfolio

  • EOS offers an increasing number of metal materials for the EOS M 400 system.
  • With the corresponding ParameterSets, the system produces parts with standardized part property profiles (PPPs).
  • The ParameterEditor enables you to modify parameters to meet your individual requirements.

Integrated Solutions

  • Development of EOS systems, powder materials, process parameters, software and services go hand in hand. All elements are optimally aligned. The result: high-quality and cost-effective production of parts with first-class properties for their dedicated application.


Building volume

400 mm x 400 mm x 400* mm (15.8 x 15.8 x 15.8 in)
(*including building platform typically 40 mm (1.6 in) thick)

Laser type

Yb-fibre laser; 1 kW

Precision optics


Scan speed during build process

up to 7.0 m/s (23 ft/s)

Focus diameter

approx. 90 μm (0.0035 in)

Power supply

50 A

Power consumption

max. 20.2 kW / typical 16.2 kW

Nitrogen generator


Compressed air supply

7 000 hPa; 20 m3/h (102 psi; 706 ft3/h)

Dimensions (W x D x H)


5,351 mm x 2,200 mm x 2,355 mm (210.7 x 86.6 x 92.7 in)

Recommended installation space

minimum 6.5 m x 6 m x 3.3 m (256 x 236 x 130 in)


approx. 3,240 kg (7,143 lb)

Data preparation


EOS RP Tools; EOSTATE; EOSPRINT; Materialise Magics RP with SG+ and further modules

CAD interface

STL, optional: converter for all standard formats



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