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Seiko announces inkjet print head upgrade

May 2019

SII Printek, part of Seiko Holding Group, has introduced the RC1536 ink circulation printhead, the latest addition to Seiko’s industrial inkjet printhead product range.  This series of printheads offers a choice between a drop volume range of 13 to 150 pl or 25 to 225 pl, and the possibility of a discharge of 85 g/m² at a 25 m/min line speed.

Engineered for high productivity and cost efficiency, the RC1536 features an extra wide print-width (108mm) that enables print-bars to be configured with a small number of printheads.

It is designed to work at low-voltage, thus reducing initial investment to driver electronics with the additional benefit of low energy consumption.  Isolated channel technology allows the printhead to operate at high frequency (up to 37kHz) and achieve 8 levels of greyscale with a drop range size between 13pl to 150pl.

The high flow Ink Circulation Structure means ink constantly circulates immediately behind the nozzles at high speed.  This ensures nozzles recover from blockages automatically and instantaneously, eliminating the need for routine nozzle cleaning during operation and significantly reducing ink wastage.

Ink is in constant circulation and always ready to jet, removing the need for priming or purging before starting printing.  This constant ink stream removes bubbles and impurities and prevents sedimentation of ink containing large pigments.

The printhead can accept a wide range of viscosities compared to conventional printheads, and is compatible with oil- and UV-based fluids.  A water-based ink version will be launched shortly.

More at: https://www.seiko-instruments.de

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