Journal
PROCESSES
Volume 10, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/pr10081467
Keywords
drop-on-demand; inkjet printhead nozzle; droplet; printing process; 3D modeling
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This article presents a numerical simulation of a printhead model for drop-on-demand inkjet printers. The study analyzes the behavior of ink droplets and the impact of different ejection settings on the accuracy of the printing process. The effects of printhead size, nozzle orifice, motion parameters, and fluid properties on droplet stability were also investigated.
This article presents a numerical simulation of a printhead model for drop-on-demand (DoD) inkjet printers. A three-dimensional droplet model is provided for the numerical study of inks, ejection parameters, droplet movement, and the analysis of droplet impacts on the surface. This work is devoted to the analysis of different droplet ejection settings during the printing process, when the behavior of the droplet directly affects the accuracy of the printing process itself. A numerical model was also developed to investigate the effect of various settings on droplet stability, including printhead size and nozzle orifice, motion parameters (pulse strength and droplet ejection amplitude) and fluid properties. The results reflect the behavior of the ink droplet over time. The behavior of the drop was tested at different waveform ejection parameters and a mass turnover was observed.
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