Xaar adds recirculation to GS40 printhead

Xaar has adapted its 1002 GS40 printhead to better handle some UV applications by adding its Through Flow TF technology that recirculates ink at a very high rate directly past the back of the nozzle during drop ejection. This allows it to handle heavily pigmented and higher viscosity inks, such as opaque whites and varnishes.

This head jets drop volumes from 40 – 160pL and has five levels of greyscale. It can lay down extra opaque whites with a larger drop size or a finer base of whites with a smaller drop size. The large drop size can also print high build spot varnish or tactile, textured effects, such as wood grain, for décor applications.

Xaar claims that the throughput of this printhead is better than any alternative thanks to its greyscale capability combined with high drop size which delivers a very high volume of ink laydown per nozzle.

Alan Mutch, product manager at Xaar, says that adding UV capability to the GS40 head allows customers to create effects similar to embossing, adding: “This capability is becoming more prevalent in labels and packaging for luxury products within the food and beverage sectors including high end spirits and wine labeling.”

 


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