Durst announces new RSCi label press

Durst has brought a new version of its Tau label press to Brussels, showing off a new Tau RSCi, which builds on the existing RSC but with a new more modular design.

The Durst Tau RSCi inkjet press is both faster and wider than most other inkjet label presses.

This has allowed Durst to automate more features such as the nozzle compensation, which uses a camera to detect problems and automatically remaps the image to working nozzles. Helmuth Munter, segment manager for Durst’s Label and Packaging division, says that this can also be retrofitted to older RSC machines, saying: “Why should earlier customers be penalised for investing early?” The design also includes the Jumbo winders and chill rollers as standard which were previously only available as options.

It uses the same imaging system as before, which is based around Fujifilm Samba printheads. Incredibly, Durst manages to get 100mpm out of this at 1200 x 600 dpi resolution, and 80mpm at the maximum 1200 x 1200 dpi resolution, which I believe makes it the fastest digital printer here in its class. The Samba heads feature in several other printers but they usually run at 50-60mpm. Munter says that this is down to a combination of firing frequencies, waveform design and ink formulation, which serves to underline just how important it is to have full control of all the elements that go into these presses. 

Durst has also rethought the widths and now offers the new press in 420 and 508mm widths as well as the existing 330mm. The wider widths not only help to increase the overall productivity for labelling but also allows customers to look at packaging jobs. Munter says that this mostly involves printing to folding carton and specialty substrates as well as some films. However, as he points out, UV inkjet is not really suitable for thin films because the weight of the ink layers leads to dimensional instability. 

There’s a new high opacity White Print Mode for all the Tau RSC printers that’s said to deliver an increased screen-like opacity, as well as a new High Speed White Mode that allows the RSC printers to run at up to 80 linear mpm for all colours including white. Durst also has a new low migration inkset that is compliant with EUPIA and Swiss Ordinance regulations for food and pharmaceutical packaging

The Tau presses also benefit from Durst’s excellent and inclusive approach to workflow, with a label edition of the Durst Workflow. Munter says that production managers want complete transparency and to be able to monitor their presses from a screen in their office with all the data on performance easily available. He adds: “They want to know what’s going on and to prioritise different jobs.”

This workflow can be further integrated into whatever set up a customer has, to form an end to end workflow complete with MIS or ERP. Munter says that this is something that customers are asking for and that the company has already completed three or four of these since starting to roll out the new workflow earlier this year.

This is probably the most interesting press that I’ve seen here in Brussels so far, but then I’ve not been around the whole show yet. But the increase in speed and width really seem to take the Tau presses into a different class from the other inkjet label presses that are here. The approach to workflow is part of this and Durst clearly sees it as a way to increase its overall appeal. Durst claims to have over 50 installations worldwide for its Tau RSC printers. You can find more details on the Tau label presses from durst-group.com.



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