SLM Solutions Metal Additive Manufacturing

SLM Solutions NXG XII 600 Metal Additive System

$3,000,000 – $5,000,000 Updated 2026-03-17

Key Specifications

Build Volume (X×Y×Z)

600 x 600 x 600 mm

Layer Thickness

30 – 120 µm

Laser Power

12 x 1,000W fiber lasers

Number of Lasers

Build Rate

Up to 1,000 cm³/h (aluminum alloys)

Materials

AlSi10Mg, Ti-6Al-4V, IN718, IN625, 316L stainless, Scalmalloy

Overview

The SLM Solutions NXG XII 600 is the highest-throughput selective laser melting (SLM) system in the industrial metal additive manufacturing market, featuring twelve 1,000W lasers operating simultaneously across a 600 x 600 x 600 mm build volume. Announced as a breakthrough in production-scale metal AM, the NXG XII 600 delivers build rates up to 1,000 cm³/h — an order of magnitude faster than conventional single or quad-laser LPBF systems — fundamentally changing the cost model for metal AM in volume production applications.

SLM Solutions engineered the NXG XII 600 specifically for aerospace and automotive OEMs that have been constrained by LPBF throughput economics. With twelve independent 1 kW lasers, each with overlapping coverage zones, the system can process aluminum alloy structural components — engine brackets, wing ribs, suspension components — at speeds that approach or compete with traditional casting and forging workflows for certain geometries. This is the machine that makes metal AM economically viable for production lot sizes of hundreds to thousands of parts rather than just prototypes and low-volume specials.

The machine uses SLM Solutions' patented Twin & Multi-Laser overlap technology, ensuring consistent material density and mechanical properties at laser boundary zones — historically a challenge in multi-laser systems. SLM Solutions has validated the NXG XII 600's microstructure and mechanical properties against LPBF reference material benchmarks, providing the data package aerospace and automotive qualification programs require. The build chamber accommodates argon inert gas atmosphere processing for reactive metals including aluminum, titanium, and stainless steel.

For facilities managing the NXG XII 600 in production, SLM Solutions provides integrated build processor software and automation-compatible architecture for powder management at scale. The machine's large 600 mm build format enables building entire assemblies — traditionally manufactured as multiple machined components and assembled — as single printed parts, reducing assembly labor and joint interfaces. This design-for-AM strategy is where the NXG XII 600 provides its most differentiated value over any other metal AM platform available.

Full Specifications

Parameter	Value
Build Volume (X×Y×Z)	600 x 600 x 600 mm
Layer Thickness	30 – 120 µm
Laser Power	12 x 1,000W fiber lasers
Number Of Lasers	12
Build Rate	Up to 1,000 cm³/h (aluminum alloys)
Materials	AlSi10Mg, Ti-6Al-4V, IN718, IN625, 316L stainless, Scalmalloy
Accuracy	±0.1 mm or ±0.1% (whichever is greater)
Machine Weight	Approx. 10,000 kg
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Specifications sourced from nikon-slm-solutions.com — verified 2026-03-28

Strengths & Limitations

Strengths

12 x 1,000W lasers deliver up to 1,000 cm³/h build rate — fastest throughput in LPBF metal AM
600 x 600 x 600 mm build volume enables entire assemblies to be printed as single integrated parts
Validated multi-laser overlap technology ensures consistent density and properties at laser zone boundaries
Opens metal AM cost economics to production lot sizes of hundreds to thousands of parts
Supports aluminum, titanium, nickel superalloys, and stainless steel with aerospace-grade material certification data

Limitations

Capital cost of $3M–$5M requires very high production volumes to justify ROI versus conventional manufacturing
10,000 kg machine weight and large footprint demand significant facility infrastructure investment
Post-processing at scale (heat treat, stress relief, machining, inspection) adds substantial downstream capacity requirements
Powder management for 12 lasers at high throughput requires robust automated powder handling systems

Best For

Aerospace OEMs and tier-1 suppliers manufacturing structural aluminum and titanium components at production volume Automotive manufacturers building lightweight structural assemblies where AM enables topology-optimized part consolidation Defense and space contractors requiring large-format, high-throughput metal AM for flight-critical hardware programs

Frequently Asked Questions

01 How does the NXG XII 600 achieve consistent material properties across 12 laser zones?

SLM Solutions' patented Twin & Multi-Laser overlap technology manages the transition zones between adjacent laser scan areas. The software applies specific exposure strategies in overlap regions, and the system has been validated through extensive mechanical and microstructural testing to confirm that parts built across multiple laser zones meet the same density (>99.9%) and tensile property benchmarks as single-laser reference builds.

02 At 1,000 cm³/h build rate, what does a full build cycle look like?

A 600 x 600 x 600 mm build volume contains 216,000 cm³ total volume. At 1,000 cm³/h material deposition rate with a moderate packing density, a full dense build would take approximately 100–200 hours. In practice, aerospace structural components are not fully solid, and realistically packed builds of complex parts process in 20–50 hours — a major reduction versus single or quad-laser systems taking 4–10x longer.

03 Is the NXG XII 600 available with automation for lights-out operation?

SLM Solutions offers automation integration concepts for the NXG XII 600 covering powder delivery, overflow handling, and build plate exchange. Full lights-out automation at this machine scale requires facility-level integration with powder management systems and robotic part extraction. SLM Solutions works with customers to design appropriate automation architectures based on specific production workflows.