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About this Abstract
Meeting 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Symposium 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Presentation Title Multi-Nozzle Molten Metal Jetting for High Throughput Metal Additive Manufacturing
Author(s) Kareem Tawil, Irtaza Razvi, Chris Chungbin, Andrew Greeley, Gabriel Stash, Daniel Cormier, David Trauernicht, Denis Cormier
On-Site Speaker (Planned) Kareem Tawil
Abstract Scope Single nozzle Molten Metal Jetting (MMJ) has demonstrated ability to produce metal parts with high precision and strength, but at lower deposition rates than competing technologies. In this poster, we highlight a novel multi-nozzle MMJ system which can match or exceed the volumetric deposition rates of other metal AM technologies, without compromising on feature resolution. A prototype system is built and tested with eight individually addressable nozzles, at a nozzle pitch of 3mm. The droplet diameter and velocity at each nozzle can be tuned within 1.6% and 1.4%, respectively. Maximum stable volumetric deposition rates exceeding 225 cm3/hr have been achieved. We discuss jetting waveform control, printing strategies, and design methodology for multi-nozzle MMJ systems. The approach discussed highlights an exciting path forward, allowing MMJ to compete with other metal AM technologies on deposition rates, feature resolution, and part strength.
Proceedings Inclusion? Undecided

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