In additive manufacturing, few materials present as many challenges—and opportunities—as copper alloys. Widely used in aerospace, electronics, and advanced equipment, their unique properties demand both precision and process stability that have historically been difficult to achieve. Farsoon Technologies is tackling these challenges head-on, introducing new solutions that significantly improve productivity, precision, and scalability in copper alloy 3D printing.

Driving Productivity and Process Stability with Beam Optimization

Farsoon introduced a beam optimization approach specifically designed for copper alloys—delivering meaningful gains in both build speed and part quality.

For materials such as CuCrZr, known for their high reflectivity and processing difficulty, the company has achieved:

•  A high-efficiency process using 80 μm layer thickness, reaching build rates of up to 42 cm³/h—a significant increase over conventional approaches, enabling faster turnaround for production runs.
•  Part densities of up to 99.5% (measured via Archimedes method), approaching wrought material standards and ensuring reliable mechanical and thermal performance.
•  A more stable and adaptable process window, improving energy distribution during printing and enabling consistent results—even for large-format components.

Together, these advancements make copper alloy additive manufacturing more viable for demanding industrial applications, including aerospace-scale parts.

Precision Manufacturing: Enabling Fine Feature Resolution

In parallel with productivity improvements, Farsoon has made significant advances in high-precision copper alloy printing. Based on the FS273M platform, the company combines a 55 μm laser spot size, 20 μm layer thickness, and 0–25 μm fine powder to achieve feature resolutions down to 0.2 mm.

Figure 1 – Farsoon Fine laser spot printing with copper alloys

This capability enables the direct fabrication of highly detailed geometries, including ultra-thin cooling fins (0.2 mm), TPMS porous structures (0.3 mm), and thin-wall features as fine as 0.18 mm. These structures can be produced in a single build without secondary machining, improving both efficiency and part consistency.

Material performance remains equally strong. Printed copper alloys such as Cu and CuCrZr demonstrate high density and excellent functional properties, including CuCrZr density up to 8.88 g/cm³, thermal conductivity of pure copper up to 388 W/(m·K), and hardness up to 100 HV. This combination of precision and performance makes the technology well suited for applications in electronic thermal management, precision tooling, and compact, high-performance devices.

Application Validation: Expanding into the Energy Sector

These technological advancements are now being validated in demanding real-world applications. In 2025, a leading research institute focused on advanced energy technologies adopted Farsoon’s FS621M-Cu system to manufacture a CuCrZr electrode plate.

Figure 2: Copper 3DP application in new energy sector

The project required extremely high standards for both dimensional accuracy and material performance. Its successful implementation marks a significant step forward for copper alloy additive manufacturing in high-performance application environments, demonstrating both process reliability and application readiness.

Large-Format Production: Scaling Copper Alloy AM

At the system level, the FS621M-Cu is engineered for large-format copper alloy production. The platform is equipped with four 1000W ytterbium (Yb) fiber lasers, operating at a wavelength of 1060–1080 nm, enabling stable, long-duration processing of highly reflective materials such as CuCrZr.

Figure 3: Farsoon FS621M-Cu system dedicated for Copper alloys

This system architecture addresses one of the core challenges in scaling copper alloy additive manufacturing—maintaining process stability over extended build times and large part geometries—while ensuring consistent part quality.

Farsoon has also seen growing international adoption of its copper alloy solutions, with multiple FS621M-Cu systems deployed globally. This reflects increasing recognition of the company’s ability to deliver reliable, production-ready additive manufacturing technologies for high-performance materials.

With a strong focus on innovation and industrialization, Farsoon is well positioned to support the next generation of high-end manufacturing—bringing copper alloy 3D printing closer to widespread, real-world adoption across global industries. Farsoon will present its latest advancements in copper alloy additive manufacturing, including high-precision application parts, at Rapid + TCT 2026. Visit Booth #1211 this week for more information!