EOS M 400-4

Ultra-Fast, Ultra-Productive: Our Flagship Four-Laser Machine

With four 400-watt lasers and a 400 x 400 x 400 mm build volume, the EOS M 400-4 is the ultimate productivity platform for industrial applications.

Key Features

Four Versatile Lasers

With four precise 400-watt lasers, the EOS M 400-4 delivers up to 4x productivity while ensuring the highest DMLS part quality.

Automated Calibration

Precision laser calibration is vital for repeatable part quality. The EOS M 400-4 automates multi-laser calibration for consistent results. 

Build Big

With a 400 x 400 x 400 mm build volume, the EOS M 400-4 is engineered for serial manufacturing of large metal parts.

Longer Service Life

A circulating air filtering system with automatic cleaning means fewer filter changes and less production downtime.

Key Benefits

  • Reliable and Repeatable Quality

    Automated calibration of the high-powered lasers ensures that every build delivers the precise results you need for your most challenging applications.

  • Increase Uptime

    The EOS M 400-4’s long-life filters, coating system, and automatic cleaning systems minimize manual maintenance and eliminate downtime. 

  • Next-Level Versatility

    The EOS M 400-4 is suited for a wide variety of applications thanks to its power, precision, productivity, and portfolio of materials and processes.

Technical Data

  • Construction Volume

    400 x 400 x 400 mm (15.8 x 15.8 x 15.8 in) (height incl. build plate)

  • Laser Type

    Yb-fiber laser; 4 x 400 W

  • Precision Optics

    4 F-theta-lenses; 4 high-speed scanners

  • Scan Speed

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

  • Focus Diameter

    approx. 100 µm (0.004 in)

  • Power Supply

    3 x 50 A

  • Power Consumption

    max. 45 kW / typical 22 kW

  • compressed air supply

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

  • Machine Dimensions (W x D x H)

    4,181 x 1,613 x 2,355 mm (164.6 x 63.5 x 92.7 in)

  • Recommended Installation Space

    min. 6,500 x 6,000 x 3,300 mm (256 x 236 x 130 in)

  • Weight

    approx. 4,835 kg (10,659 lb)

  • Software

    EOSPRINT 2, EOSTATE PowderBed, EOSCONNECT Core, EOSCONNECT MachinePark, Materialise Magics Metal Package and modules

Download Data Sheet

Scaling up the construction process to the high-productivity EOS M 400-4 system was an important step for us in order to advance the industrialization and competitiveness of the Ariane project. The collaboration unfolded very efficiently thanks to the experience and industry expertise of EOS staff.

Dr. Steffen Beyer, Head of Production Technology – Materials & Processes, ArianeGroup