ArticleMicromachines2022
The Effect of Ink Supply Pressure on Piezoelectric Inkjet.
Article in Micromachines, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Computational approaches in bioprinting processes.Nature reviews bioengineering · 2026Article
- Nonlinear Waveform Optimization for Enhanced Ink Droplet Formation in Material Jetting.Micromachines · 2025Article
- Attentive ink MLP droplet detection algorithm based on the satellite droplets threshold domain.Scientific reports · 2025Article
- Design and Analysis Method of Piezoelectric Liquid Driving Device with Elastic External Displacement.Micromachines · 2024Article
- Editorial for the Special Issue on Recent Advances in Inkjet Technology.Micromachines · 2023Article
- Microrobots in Micromachines.Micromachines · 2022Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Experimental and numerical analysis of the drop-on-demand inkjet was conducted to determine the jetting characteristics and meniscus motion under the control of the ink supply pressure. A single transparent nozzle inkjet head driven by a piezoelectric actuator was used to eject droplets. To control ink supply pressure, the pressure of the air in the reservoir was regulated by a dual valve pressure controller. The inkjet performance and the motion of the meniscus were evaluated by visualization and numerical simulation. A two-dimensional axisymmetric numerical simulation with the dynamic mesh method was performed to simulate the inkjet dynamics, including the actual deformation of the piezoelectric actuator. Numerical simulation showed good agreement with the experimental results of droplet velocity and volume with an accuracy of 87.1%. Both the experimental and simulation results showed that the drop volume and velocity were linearly proportional to the voltage change. For the specific voltages, an analysis of the effect of the ink supply pressure control was conducted. At the maximum negative pressure, -3 kPa, the average velocity reductions were 0.558 and 0.392 m/s in the experiment and simulation, respectively, which were 18.7 and 11.6% less than those of the uncontrolled case of 0 kPa. Therefore, the simulation environment capable of simulating the entire inkjet dynamics, including meniscus movement regarded to be successfully established. The average volume reductions were 18.7 and 6.97 pL for the experiment and simulation, respectively, which were 21.7 and 9.17% less than those of the uncontrolled case. In the results of the meniscus motion simulation, the damping of the residual vibration agreed well with the experimental results according to the ink supply pressure change. Reducing the ink supply pressure reduced the speed and volume, improved the damping of residual vibrations, and suppressed satellite drops. Decreasing ink supply pressure can be expected to improve the stability and productivity of inkjet printing.
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Registered trials
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