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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 Creating a Custom Optical Diagnostic for Advancing Liquid Metal Jetting
Author(s) Dylan Levine, Viktor Sukhotskiy, Eric Elton, Nicholas Watkins, Jason Jeffries, Andrew Pascall
On-Site Speaker (Planned) Dylan Levine
Abstract Scope Liquid metal jetting is a metal additive manufacturing technique that involves jetting molten metal droplets at high frequencies to build solid metal parts. Real-time diagnostics are essential to ensure consistency and quality in the metal jetting process. As such, we are developing a high-speed optical diagnostic system to identify the following jetting performance metrics down to the level of individual ejections on a custom pneumatic printhead: droplet volume and diameter, mass flow rate, and droplet velocity. By connecting these measurements to crucible pressure, wire feed rate, and other process control parameters, we aim to enable real-time in-line process control. A key advantage of this approach over commercial systems is its flexibility for custom optomechanical and software integration with any jetting platform. Future work will focus on improved processing throughput and expanding measurement capabilities. Prepared by LLNL under Contract DE-AC52-07NA27344. LLNL-CFPRES-2019022
Proceedings Inclusion? Undecided

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