6/1/2010 · The operation of a piezo inkjet printhead involves a chain of processes in many physical domains at different length scales. The final goal is the formation of droplets of all kinds of fluids with any desired volume, velocity, and a reliability as high as possible.
The dynamics of the piezo inkjet printhead operation ? Herman Wijshoff IntroductionIn this section an overview is presented of the main inkjet developments to clarify the importance of inkjet technology as a key technology for today’s industry .
The dynamics of the piezo inkjet printhead operation. The operation of a piezo inkjet printhead involves a chain of processes in many physical domains at different length scales. The final goal is the formation of droplets of all kinds of fluids with any desired volume, velocity, and a reliability as high as possible.
6/1/2010 · After a piezoelectric inkjet printhead jets the first droplet, the actuating membrane still vibrates, creating residual vibrations in the ink channel , which can degrade the inkjet printhead …
34 Piezoelectric Inkjet Wijshoff, Herman. The dynamics of the piezo inkjet printhead operation . Physics reports 491.4 (2010): 77-177. Actuation efficiency Piezo (electrical to mechanical): ~15% to 25% Piezo deformation to channel deformation: ~13% Channel deformation to acoustic pressure wave: ~20% Acoustic pressure to droplet (for low viscosity):.
2/7/2017 · You can hear more from Prof Dijksman about the fluid mechanics behind printhead operation at the IMI Europe Inkjet Engineering Conference, 14 March 2017 in Lausanne, Switzerland. Frits will also be presenting an entire 1.5 day course on the topic at the IMI Europe Inkjet Summer School on 12-13 June in Ghent, Belgium.
1/25/2008 · T1 – Structure- and fluid- dynamics in piezo inkjet printheads. AU – Wijshoff, Herman. PY – 2008/1/25. Y1 – 2008/1/25. N2 – Inkjet printing is an important technology in color document production [133]. The rapid development of inkjet technology started off around the late fifties. Since then, many inkjet devices have seen the light of day.
Dynamica van constructies en vloeisto?en in piezo inkjet printkoppen Publisher: Herman Wijsho?, Oc´e Technologies B.V.
Venlo, P.O. Box 101, 5900 MA Venlo, The Netherlands www.oce.com Cover design: Herman Wijsho? Background cover illustration: A MEMS-based printhead structure, the future.
