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Laser Powder Bed Fusion
Renishaw AM400
The Renishaw AM 400 is our workhorse laser powder bed fusion (LPBF) platform. Its open parameter architecture gives full control over laser power, point distance, exposure time, and scan strategy, which makes it well suited for alloy development, process parameter sweeps, and in-situ monitoring research rather than locked-down production printing.
- Laser 400 W pulsed fiber laser
- Build Volume 250 × 250 × 300 mm
- Layer Thickness 20 to 100 µm
- Atmosphere Argon, low O₂ (< 100 ppm)
Unique Capabilities
- Open parameter controlFull access to laser power, point distance, exposure time, hatch spacing, and scan strategy for design-of-experiments studies and parameter optimization.
- Reduced build volume (RBV) optionSmall-batch builds with as little as a few hundred grams of powder, ideal for expensive or experimental alloys.
- Pulsed laser modulationPoint-and-shoot exposure mode enables fine control of melt pool energy input, distinct from continuous-wave systems.
- Research-grade material flexibilityQualified and experimental powders including Ti-6Al-4V, IN718, SS316L, and custom multi-metal feedstocks.
Typical Applications at MMRL
Parameter sweep studies with density and microstructure characterization, multi-metal interfacial integrity research, embedded-sensor builds, and process-structure-property mapping for aerospace and nuclear alloys.
In the Lab
Manufacturer Information
Publications Using This Machine
- Song, Jian, et al. "Annealing-induced reorganization of cellular dislocation structures and its effect on plastic flow in additively manufactured 316L stainless steel." International Journal of Plasticity (2026): 104675.
- Ma, Siming, et al. "Additive manufacturing enabled synergetic strengthening of bimodal reinforcing particles for aluminum matrix composites." Additive Manufacturing 70 (2023): 103543.