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Manifold Ringing Mitigation Through Tuned, Lumped Compliance

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Ringing, or acoustic pressure oscillation, in the ink feed manifold system of a piezoelectric printhead can cause significant drop velocity and mass variation. These pressure induced velocity and mass changes cause visual print quality artifacts. One critical test condition is the end of a solid fill region where all the jets of a given color were running and stop suddenly. The manifold system reacts to the sudden stoppage in exiting ink flow, resulting in a rise and subsequent oscillation in pressure. If a drop is then fired at the time coinciding with the minimum or maximum pressure, the drop's position (due to velocity change) may be significantly altered relative to nominal. This effect can be observed in light dithers following a solid fill.

Analytical modeling and experimental verification were used to design a mitigation scheme for manifold ringing using passive, tuned, lumped compliance. The location was chosen for maximum global pressure amplitude mitigation; the amount of compliance was limited by manufacturing capability; and the entrance to the added compliance was chosen to tune the resonator at the dominant manifold acoustic resonance.
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Document Type: Research Article

Publication date: January 1, 2003

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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