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EOS M 400

The world of additive manufacturing has witnessed remarkable advancements in recent years, and one of the trailblazers in this field is the EOS M 400 3D printer. With a relentless commitment to innovation, EOS, a global leader in industrial 3D printing technology, has engineered the EOS M 400 to push the boundaries of what’s possible in additive manufacturing. This sophisticated and versatile machine combines cutting-edge technology with precision, making it a game-changer in various industries. 

Product Description

  • Features a 1000-watt laser for higher build rates and thicker layers
  • Delivers a build volume of 400 x 400 x 400 mm
  • Simplifies scaling and customization of serial manufacturing through a modular platform

Technical Data

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. 4,635 kg (10,218 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; 1,000 W

Precision Optics: F-theta-lens

Scan Speed: Up to 7.0 m/s (23 ft/s)

Focus Diameter: Approx. 90 µm (0.0035 in)

Power Supply: 50 A

Power Consumption: Max. 50.2 kW / typical 16.22 kW

Compressed Air Supply: 7,000 hPa; 20 m³/h (102 psi; 706 ft³/h)

Software: EOSPRINT 2, EOSTATE, EOSCONNECT Core, EOSCONNECT MachinePark, EOSCONNECT MachinePark, Materialise Magics metal package and modules

Key Features of the EOS M 400

Large Build Volume: The EOS M 400 boasts an expansive build volume, allowing it to create large and complex parts in a single run. This feature is particularly valuable in aerospace, automotive, and other industries where component size matters.

High-Quality Materials: EOS offers a wide range of high-quality metal powders suitable for the EOS M 400. This includes materials like titanium, stainless steel, aluminum, and nickel-based alloys, ensuring that it meets the diverse needs of various industries.

Precision and Resolution: With its advanced laser technology and precise control systems, the EOS M 400 achieves exceptional accuracy and resolution. This is crucial for applications where tight tolerances and fine details are required.

Intuitive Software: EOS provides intuitive software that simplifies the printing process. Users can prepare their 3D models, optimize them for printing, and monitor the progress with ease.

Modular Build Platform: The EOS M 400 features a modular build platform that simplifies material changeovers and maintenance. This minimizes downtime, increasing the printer’s overall productivity.


Benefits of the EOS M 400 Printer

The EOS M 400 offers numerous benefits that set it apart from conventional manufacturing methods and even other 3D printers in the market:

  1. Cost-Efficiency: The EOS M 400 can significantly reduce costs in the long run. Its ability to produce complex geometries and consolidate multiple parts into a single component can lead to material savings and reduced assembly expenses.
  2. Speed: The EOS M 400 completes projects faster than many other 3D printers, improving overall production efficiency.
  3. Customization: With its precision and flexibility, the EOS M 400 enables customization at a level that was previously unattainable. This is particularly advantageous in industries like healthcare and aerospace where personalized solutions are in high demand.
  4. Reduced Material Waste: Traditional manufacturing often generates significant material waste through subtractive processes. In contrast, additive manufacturing with the EOS M 400 generates minimal waste as it only uses the necessary amount of material.
  5. Quality Assurance: The EOS M 400’s precise control systems and inert gas atmosphere ensure that the final parts meet strict quality standards, reducing the risk of defects.
  6. Sustainability: Additive manufacturing with the EOS M 400 can be more environmentally friendly than traditional manufacturing methods due to reduced material waste and energy consumption.


The EOS M 400 allows for applications across a spectrum of industries due to its versatility and high-performance capabilities.

  1. Aerospace: In the aerospace sector, where lightweight but robust components are crucial, the EOS M 400 excels. It’s used to manufacture turbine blades, engine components, and structural parts, reducing weight while maintaining structural integrity.
  2. Automotive: Automotive manufacturers leverage the EOS M 400 to produce parts that enhance vehicle performance and fuel efficiency. Examples include customized exhaust systems and lightweight components.
  3. Healthcare: The EOS M 400 plays a pivotal role in the healthcare industry by producing customized implants, prosthetics, and dental crowns with biocompatible materials like titanium.
  4. Energy: In the energy sector, the EOS M 400 is used to fabricate components for power generation equipment, including gas turbines, where high-temperature resistance and corrosion resistance are vital.
  5. Tooling and Prototyping: Rapid tooling and prototyping benefit from the EOS M 400’s capabilities. It enables the quick production of molds, jigs, and fixtures, reducing lead times in product development.

The EOS M 400's Impact on Additive Manufacturing

The EOS M 400 3D has had a profound impact on the additive manufacturing landscape. It has not only enabled industries to push the boundaries of what’s possible but has also contributed to reshaping manufacturing paradigms. Here are some ways in which the EOS M 400 has made a significant impact:

  1. Industry Advancement: The EOS M 400 has accelerated the adoption of additive manufacturing in industries that were previously reliant on conventional methods. Its capabilities have paved the way for new design possibilities and improved performance in aerospace, automotive, and more.
  2. Customization Revolution: The printer’s ability to create highly customized parts has revolutionized how industries approach product development. From personalized medical implants to one-of-a-kind jewelry, customization is now more accessible and cost-effective.
  3. Reduced Material Waste: The EOS M 400 reduces waste, only using what is needed for the applications rather than the subtractive method of traditional manufacturing. 3D printing also reduces the amount of material needed per application with part consolidation and light weight design strategies.
  4. Rapid Prototyping: Product development cycles have been significantly shortened with the EOS M 400, allowing for quicker iterations and reduced time to market.
  5. Sustainability: As sustainability becomes increasingly important, the EOS M 400 contributes by reducing material waste and energy consumption in manufacturing processes.


The EOS M 400 3D printer represents a leap forward in additive manufacturing technology. Its combination of large build volume, multi-laser technology, high-quality materials, and precision makes it a versatile and indispensable tool across various industries. From aerospace to healthcare, the EOS M 400 has reshaped the way businesses approach design, manufacturing, and customization. Its impact on cost-efficiency, speed, and sustainability is undeniable, further solidifying its position as a game-changer in the additive manufacturing landscape. As technology continues to evolve, the EOS M 400 is poised to play a pivotal role in the ongoing transformation of manufacturing processes worldwide.

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