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EOS M 400-4 3D Printer

EOS M 400-4

With a relentless commitment to innovation, EOS, a global leader in industrial 3D printing technology, has engineered the EOS M 400-4 to push the boundaries of what’s possible in additive manufacturing. In the ever-changing world of 3D printing tech, the EOS M 400-4 is like a symbol of how we’re pushing the boundaries of innovation and precision. The EOS M 4004-4 is really making a name for itself in industrial 3D printing due to its cutting-edge key features, flexible applications, and transformative impact on various industries.


Product Description

  • Meets every usage requirement of an industrial production environment
  • Eases operation through highly automated procedures and processes
  • Features four precise 400-watt lasers with a build volume of 400 x 400 x 400 mm

Technical Specifications

  • 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)
  • 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)
  • Software: EOSPRINT 2, EOSTATE PowderBed, EOSCONNECT Core, EOSCONNECT MachinePark, Materialise Magics Metal Package and modules

Key Features of the EOS M 400-4

Large Build Volume: The EOS M 400-4’s sizable build volume of up to 400 mm x 400 mm x 400 mm (hence the name) allows for the production of complex and large-scale parts in a single print job. This feature is particularly valuable for industries such as aerospace and automotive.

Four-Laser Technology: The EOS M 400-4 stands out amongst other comparable machines because it has four lasers that each work independently. This quadruple laser system significantly enhances printing speed while maintaining accuracy, making it an ideal choice for industries where efficiency and precision are paramount.

Precise Powder Handling: The EOS M 400-4 incorporates an advanced powder handling system, ensuring consistent powder distribution and minimizing material wastage. This feature not only reduces operational costs but also contributes to environmental sustainability.

Integrated Process Monitoring: Real-time monitoring of the printing process is crucial for quality control. The EOS M 400-4 comes equipped with an integrated camera system that allows operators to observe the printing process remotely, ensuring that any issues can be addressed promptly.

High-Quality Materials Compatibility: Versatility is a hallmark of the EOS M 400-4. It supports a wide range of materials, including various metals and alloys, enabling manufacturers to choose the most suitable material for their application.

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


Benefits of the EOS M 400-4

The EOS M 400-4 offers numerous benefits that set it apart from other 3D printers on the market:

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

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.


Applications of the EOS M 400-4

The EOS M 400-4’s versatility and exceptional performance make it a valuable asset across various industries.
Let’s explore some of the key applications where this 3D printer shines:

Aerospace: The aerospace industry demands components that are not only lightweight but also incredibly durable. The EOS M 400-4’s ability to print complex and intricate parts with high strength-to-weight ratios makes it an ideal choice for aerospace manufacturers. From engine components to structural elements, this 3D printer revolutionizes the way aircraft are built.

Automotive: In the automotive sector, where customization and rapid prototyping are essential, the EOS M 400-4 stands out. It facilitates the production of intricate engine parts, lightweight components, and even custom-made designs, enabling car manufacturers to stay competitive in a rapidly changing market.

Medical: Medical device manufacturers benefit from the EOS M 400-4’s precision and biocompatible material compatibility. It allows for the production of patient-specific implants, prosthetics, and intricate surgical instruments, ultimately improving patient outcomes.

Tooling and Mold Making: The EOS M 400-4 can produce complex tooling and molds with precision and speed. This is a game-changer for industries that rely on injection molding, as it reduces lead times and allows for the creation of intricate molds that were once challenging to produce.

Research and Development: Research institutions and universities also find value in the EOS M 400-4. Its ability to experiment with different materials and rapidly produce prototypes accelerates innovation in various fields, from materials science to robotics.

The EOS M 400-4's Impact on Additive Manufacturing

The EOS M 400-4 is more than just a piece of machinery; it is a catalyst for change across multiple industries. Here are some of the ways it is transforming the landscape:

Reduced Lead Times: Traditional manufacturing processes often involve lengthy lead times, especially for complex components. The EOS M 400-4’s rapid printing capabilities enable manufacturers to slash production times significantly, leading to faster time-to-market.

Customization at Scale: Mass customization is becoming increasingly important, and the EOS M 400-4 empowers industries to offer personalized products without compromising on quality or cost-efficiency.

Sustainability: The efficient use of materials and reduced waste in 3D printing aligns with sustainability goals. The EOS M 400-4’s powder handling system and precision contribute to a more environmentally friendly manufacturing process.

Cost-Efficiency: While 3D printing was once considered an expensive technology, the EOS M 400-4’s capabilities have made it a cost-effective choice for industries that require precision and complexity in their components.

Innovation: The EOS M 400-4 fosters a culture of innovation by enabling engineers and designers to push the boundaries of what is possible. This has led to breakthroughs in materials science and design across industries.


The EOS M 400-4 represents a significant leap forward in industrial 3D printing technology. Its large build volume, four-laser system, and compatibility with a wide range of materials make it a versatile and powerful tool for a variety of applications. As industries continue to evolve and demand ever-increasing levels of customization and efficiency, the EOS M 400-4 is well-positioned to meet these challenges head-on. With its transformative capabilities, the EOS M 400-4 is not just a 3D printer; it is a catalyst for innovation and a driving force behind the future of manufacturing.

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