EOS M4 ONYX
The new EOS M4 ONYX is equipped with six 400W lasers and an innovative new filter system.
Power in Ever Build.
It is designed to meet the requirements of the energy, defense, space, aviation, and semiconductor fields.
Setting a New Standard for Industrial Metal 3D Printing
Designed to maximize productivity and stability, the EOS M4 ONYX combines a large production space with state-of-the-art laser technology and intelligent process control.
It supports manufacturers in confidently scaling up additive production by providing consistent, high-quality results.
Stay ahead with RFS Pro, an innovation in waste reduction filtering and passivation.
The maximum build volume of EOS, 450x450x450mm, provides more space for larger parts and opens up the potential for new applications.
*Include build platform height
It enables sustainable manufacturing at the mass production level with improved productivity, a 30% reduction in part costs*, and a powder recovery rate of over 90%.
*Excluding powder
Based on the EOS M400 platform, which has been installed and verified in over 500 systems worldwide, we ensure fast and stable continuous production through automated job changes.
Equipment specifications
| Volume building | 450 x 450 x 400mm (17.7 x 17.7 x 15.7 inches) |
| Laser type | Yb-fiber laser; 6 x 400 W |
| Precision Optics | 6 F-theta-lens(es); 6 High-speed scanner(s) |
| Scan speed | Max 7.0 m/s (23.0 ft/s) |
| focal diameter | Approximately 90µm (0.00354 inches) |
| Power supply | 3 x 54A |
| Power consumption | Max. 45.0kW / Standard 29.0kW |
| compressed air supply | 7bar; 20 m³/h (102 psi; 706 ft³/h) |
| Machine dimensions | 5500 x 2370 x 2730mm (216.5 x 93.3 x 107.5 inches) |
| Recommended installation space | Minimum 7100 x 6000 x 3300mm (279.5 x 236.2 x 129.9 inches) |
| weight | Approximately 5,700 kg (12,566 pounds) |
Materials and Processes
The EOS M4 ONYX combines high-performance hardware that meets demanding industrial requirements with a robust portfolio of materials and processes. The proven processes at launch include Ti64 and IN718, featuring a new 60µm parameter set, ensuring consistent part quality across a wide range of applications.
The Ti64 60µm process offers faster fabrication speeds, improved microstructure, reduced porosity, and better surface finish. Optimized powder utilization minimizes waste, supporting sustainability and lowering the total cost of ownership. Advanced process control further enhances productivity and quality.
With these capabilities, the EOS M4 ONYX opens up new opportunities for scalable metal additive manufacturing in the aerospace, energy, and industrial sectors.
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