EOS M4 ONYX
The new EOS M4 ONYX features six 400W lasers and an innovative new filter system.
Power in Ever Build.
Designed to meet the needs of energy, defense, space, aviation, and semiconductor industries.
Setting a new standard for industrial metal 3D printing
Designed to maximize productivity and reliability, the EOS M4 ONYX combines a spacious build area with cutting-edge laser technology and intelligent process control.
Delivering consistent, high-quality results, we empower manufacturers to confidently scale additive production.
Stay ahead with RFS Pro, a breakthrough in waste reduction filtration and passivation.
EOS's maximum build volume of 450X450X450*mm provides more space for larger parts and opens up potential for new applications.
*Includes build platform height
Increased productivity, 30% reduction in parts costs*, and over 90% powder recovery enable sustainable manufacturing at mass production levels.
*Excluding powder
With over 500 systems installed worldwide, the proven EOS M400 platform ensures fast and reliable continuous production through automatic job changeover.
Equipment specifications
| Building volume | 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 | Up to 7.0 m/s (23.0 ft/s) |
| focal diameter | About 90µm (0.00354 inches) |
| power supply | 3 x 54A |
| Power consumption | Max. 45.0kW/Typical 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 3300 mm (279.5 x 236.2 x 129.9 inches) |
| weight | About 5700 kg (12566 lb) |
Materials and Processes
The EOS M4 ONYX combines high-performance hardware to meet demanding industrial requirements with a robust portfolio of materials and processes. Proven processes at launch include Ti64 and IN718, featuring a new 60 µm parameter set, ensuring consistent part quality across a wide range of applications.
The Ti64 60µm process offers faster production speeds, improved microstructure, reduced porosity, and better surface finish. Optimized powder utilization minimizes waste, supporting sustainability and lowering total cost of ownership. Advanced process control further improves 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.
TOP