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Introducing the EOS M4 ONYX
Six 400 W lasers and optional 1 kW FLX beams boost speed and stability, with advanced gas flow, error detection, high powder recovery, RFS Pro filtration, and 97% uptime.
www.eos.info

EOS, the leading supplier of responsible manufacturing solutions and a global pioneer in laser powder bed fusion (LPBF) additive manufacturing (AM), today unveiled the EOS M4 ONYX, setting new standards for industrial-scale metal AM productivity, reliability and sustainability.
Designed to meet the needs of energy, defense, space, aviation, and semiconductor sectors, the EOS M4 ONYX delivers:
Designed to meet the needs of energy, defense, space, aviation, and semiconductor sectors, the EOS M4 ONYX delivers:
- Large build volume: 450 x 450 x 400* mm for larger, more complex parts (*including build platform)
- High productivity: Six (6) 400 W lasers provide 50% higher throughput and reduce part costs by 30%
- Flexible processing: The EOS M4 ONYX FLX variant features four (4) 1kW beam-shaping lasers for enhanced speed and flexibility
- Process stability: Homogeneous gas flow and active temperature control ensure cleaner builds and shorter cycles
- Lower QA costs: Integrated error detection reduces quality assurance expenses by up to 50%
- Sustainability: More than 90% powder material recovery, lowering raw material costs and waste, supporting Responsible Manufacturing®
- Cleaner, safter operations: The RFS Pro filtration eliminates consumables and neutralizes hazardous condensate
- Reliable uptime: Proven technology delivers up to 97% system availability (OEE) with full-service contracts
- Improved quality: EOS Smart Fusion minimizes supports and enhances surface quality, reducing post-processing
- Continuous production: Automated overnight starts and job changeovers in less than 30 minutes, via the Grenzebach Dual Setup Station – EOS Edition
Featuring best-in-class software innovations for efficiency, transparency, and process stability:
- EOS Build+ process innovations and Siemens control system unlock new productivity levels
- Open platform communications and web APIs enable seamless integration with digital workflows, reducing order-to-print lead times by up to 30%
- Early notification systems increase utilization by up to 30%
- Digital fingerprinting with statistical control cuts QA and non-destructive inspection efforts by up to 50%
- EOS Smart Fusion and Smart Fusion Replay minimize support and post-processing requirements, and beam-control capabilities double build speeds and expand geometric freedom
Supported by advanced peripherals and collaborative alliances, transforming it into a fully integrated metal AM production powerhouse:
- RFS Pro: Enables full powder reuse, eliminates consumables, and reduces hazardous waste by up to 90%, simplifying maintenance and enhancing productivity and sustainability
- Volkmann Automated Powder Handling – EOS Edition: Delivers closed-loop, scalable powder management for continuous, cost-effective operation
- Grenzebach Dual Setup Station – EOS Edition: Automates job exchanges in under 30 minutes, enabling true 24/7 productivity

