Hanbang Laser shows meter-scale single-piece LPBF car frame on HBD E800 at 2026 AMTS

At the 2026 AMTS (Automotive Manufacturing Technology Show), Hanbang Laser exhibited a meter-scale, single-piece metal 3D-printed lightweight car frame produced on its HBD E800 laser powder bed fusion system, which offers an 830 x 830 x 1250mm build volume. The frame combines topology optimization with bio-inspired structural design mapped to real load paths, cutting mass roughly 20 percent versus a conventional welded frame while holding structural performance constant. The single-print process removes multi-part welding and joint assembly, which the company says smooths stress transitions and reduces fatigue-crack initiation points typical of right-angle welded frames.

The demonstration sits in the metal LPBF segment's push into large-format, single-piece structural parts, a frontier that has mostly been aerospace territory until recently. In automotive, AM adoption has stayed narrow and tooling-heavy, so an integrated chassis component aimed at high-performance and EV lightweighting is a meaningful vertical extension rather than a routine machine demo. Domestically, Hanbang competes with BLT and Farsoon on large-format LPBF capacity; internationally, the single-print consolidation logic echoes Divergent Technologies' node-based chassis work, though Hanbang's approach prints the full frame as one part rather than assembling printed nodes. Eliminating weld joints also addresses a recurring automotive AM concern: assembly-tolerance stack-up degrading NVH and long-term structural reliability, which is precisely what buyers evaluating AM chassis components tend to scrutinize first.

This is a trade-show application case, not a disclosed production order, so cycle time, per-unit cost, and customer identity remain unknown. The 20 percent mass reduction and stress-distribution claims come from Hanbang's own structural analysis rather than third-party vehicle-level fatigue or NVH validation. Buyers evaluating this should ask for qualification data beyond bench-level topology results before treating this as production-ready chassis technology.