SLM Solutions NXG XII 600
Key Specifications
build volume
laser type
laser power
number of lasers
build rate
optics
Overview
The SLM Solutions NXG XII 600 is the most powerful production-scale metal laser powder bed fusion system on the market. With twelve 1 kW lasers delivering a combined 12 kW of installed laser power across a 600 x 600 x 600 mm build volume, it achieves build rates of up to 1,000 cm3/h, which is roughly 20 times faster than SLM's own single-laser SLM 280. Now under Nikon ownership, the NXG XII 600 targets full-rate serial production of large metal components at volumes that previously made additive manufacturing uneconomical.
The optical system is the star of this machine. Each of the twelve lasers features a double-lens system with zoom functionality, allowing operators to choose between different spot sizes in the focal plane. This means you can optimize for speed on bulk infill and switch to fine resolution on contours and surfaces, all within the same build. The thermal management concept uses a robust design that reduces optical drift to a minimum, which is critical when stitching parts across twelve simultaneous laser paths.
Automation is built into the NXG XII 600 from the ground up. The system includes automatic build cylinder exchange, automatic build start, and external preheating and depowdering stations. This means you can queue builds and keep the machine running with minimal operator intervention, which is the only way to hit the utilization rates needed to justify a system at this price point. The 216-liter powder cylinder is sized for extended production runs.
The NXG XII 600 competes directly with the EOS M 400-4 and Trumpf TruPrint 5000 in the large-format production metal AM space, but no other system comes close to its raw throughput capability. The trade-off is complexity: managing twelve laser overlap zones, thermal uniformity across a 600 mm build plate, and the sheer volume of powder and inert gas required per build all demand experienced operators and robust process development. For aerospace primes, energy OEMs, and high-volume automotive applications, the NXG XII 600 represents the current state of the art in metal additive productivity.
Full Specifications
| Parameter | Value |
|---|---|
| Build Volume | 600 x 600 x 600 mm (23.6 x 23.6 x 23.6 in) |
| Laser Type | Fiber laser |
| Laser Power | 12 x 1,000 W (12 kW total) |
| Number Of Lasers | 12 |
| Build Rate | Up to 1,000 cm³/h |
| Optics | 12 double-lens systems with zoom functionality |
| Spot Size | Variable (zoom optics) |
| Powder Cylinder | 216 liters |
| Technology | Selective Laser Melting (SLM / LPBF) |
| Materials | Aluminum, Titanium, Inconel, Stainless Steel, Tool Steel |
| Automation | Automatic build cylinder exchange, automatic build start, external preheating and depowder stations |
| Thermal Management | Advanced thermal concept for minimal optical drift |
| Software | SLM Solutions build preparation and monitoring suite |
| CNC Control | SLM Solutions / Nikon proprietary |
Specifications sourced from nikon-slm-solutions.com — verified 2026-03-28
Strengths & Limitations
Strengths
- Twelve 1 kW lasers deliver build rates of up to 1,000 cm3/h, roughly 20x faster than single-laser SLM systems
- 600 x 600 x 600 mm build volume is the largest available in a production LPBF platform, enabling full-size aerospace and energy components
- Zoom optics on all twelve lasers allow variable spot size for optimized speed on infill and quality on contours
- Built-in automation with automatic cylinder exchange, build start, and external depowdering stations for high utilization
- Advanced thermal management minimizes drift across twelve simultaneous laser paths for consistent part quality
- 216-liter powder cylinder supports extended production runs without manual intervention
- Nikon ownership brings additional precision optics expertise and long-term technology investment
Limitations
- Estimated $2M-$4M system cost makes it the most expensive LPBF platform on the market
- Twelve-laser overlap zone management requires significant process development and experienced operators
- Enormous powder and inert gas consumption per build drives high operating costs
- Machine footprint and facility requirements (power, gas, ventilation) demand purpose-built installations
- Relatively limited installed base compared to EOS M series means fewer reference sites and shared learnings
- Material qualification for twelve-laser configurations requires extensive validation beyond standard parameters
Best For
Frequently Asked Questions
01
The NXG XII 600 achieves build rates of up to 1,000 cm3/h, which is approximately 20x faster than single-laser systems and 3-5x faster than quad-laser platforms like the EOS M 400-4 or Renishaw RenAM 500Q. Real-world throughput depends on part geometry, but for large cross-section parts, the twelve-laser advantage is dramatic.
02
Pricing is not publicly disclosed, but industry estimates place the system at $2M-$4M depending on configuration. Total installation costs including facility preparation, powder handling infrastructure, and post-processing equipment can push the investment significantly higher. The economics require high machine utilization to achieve competitive per-part costs.
03
Nikon Corporation completed its acquisition of SLM Solutions in 2023. The NXG XII 600 continues to be developed and sold under the Nikon SLM Solutions brand. Nikon's precision optics expertise is expected to further enhance the optical systems in future platforms.
04
The system supports a range of metals including aluminum alloys, titanium Ti6Al4V, Inconel 718/625, stainless steels, and tool steels. Material parameter development for twelve-laser configurations is ongoing, and the available material library continues to expand. Contact Nikon SLM Solutions for the current qualified material list.
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