Nikon SLM Solutions and Bosch 3D-print complete V8 engine block using metal AM
Hardware
Originally reported by chejiahao.autohome.com.cn
Nikon SLM Solutions, in partnership with Bosch, has successfully 3D-printed a complete V8 engine block using metal laser powder bed fusion (LPBF). The project, reported in early July 2026, moves beyond prototype validation into direct production of a complex automotive powertrain component. Nikon SLM Solutions handled material certification, process parameter development, and quality control, while Bosch contributed its decades of mass-production manufacturing expertise. The engine block demonstrates that LPBF can now produce large, structurally demanding parts with integrated cooling channels and topology-optimized geometries that would be impossible or prohibitively expensive with traditional casting.
This partnership is significant because it addresses the automotive industry's long-standing barrier to AM adoption: the gap between a successful demo part and a repeatable, qualified production process. Automotive has historically been a selective adopter of AM, using it heavily for tooling and low-volume prototypes but rarely for serial powertrain components. By combining Nikon SLM Solutions' machine and materials governance with Bosch's production engineering discipline, the project creates a template for how AM can complement-not replace-traditional casting in high-performance applications. The V8 block is a high-value, low-volume part where the design freedom of LPBF (conformal cooling, mass reduction) directly translates to performance gains, making it an ideal entry point for broader automotive adoption. The reference to BLT's similar collaboration with BYD underscores that this is not an isolated experiment but a pattern: Chinese and Western OEMs are both pushing metal AM into production automotive.
For Nikon SLM Solutions, this deal validates its strategy of moving from machine sales to full-process solutions, embedding its equipment and expertise directly into a Tier 1 supplier's workflow. The real test will be whether this project can scale from a single engine block to a repeatable production cell with acceptable cost-per-part and cycle time. For the broader industry, the V8 block is a concrete proof point that metal AM can handle the thermal and mechanical demands of an internal combustion engine-a category that remains relevant for high-performance and niche vehicles even as electrification accelerates. The next step is to see if Bosch and Nikon SLM Solutions can convert this technical success into a commercial service offering for other automotive OEMs.
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