Edition 43 / September 2015

Gallus Screeny – revolution in rotary screen printing

Gallus Screeny will be celebrating its 30th anniversary at Labelexpo 2015! Gallus Screeny has been a hallmark of precision and innovation for 30 years, and Gallus has decided to mark this anniversary by revolutionising rotary screen printing. At Labelexpo 2015 in Brussels, it will be presenting a number of unique innovations, including the Gallus Screeny A-Line, metallic doming, Gallus Screeny Digital and interim results from the Tempo 120 project group.

Gallus Screeny A-Line – the new Benchmark


A good screen printing plate exhibits a large number of key features such as optimum print results, printing with sharp edges, maximum printing speed, ideal ink flow, fast ink release, perfect resolution, easy handling, resistance to shear forces in the screen printing unit, excellent basic stability for straightforward handling outside the press, easy cleaning for frequent reuse, widest possible range of applications, simple control of imaging, closed and homogeneous photopolymer layer, perfect polymerisation of the photopolymer layer and adhesion of the photopolymer layer. For the Gallus Screeny
A-Line, the entire screen printing plate architecture – from micro-mesh structure to photopolymer layer – was scrutinised with a view to meeting the maximum number of criteria for a good screen printing plate.

Figure: Swiss precision – close-up of a Gallus Screeny A-Line screen printing plate.

The result – the Gallus Screeny A-Line – is truly impressive. By meeting these criteria/specifications, the Gallus Screeny A-Line sets entirely new standards for screen printing on the label market. See for yourself and visit us at Labelexpo 2015 in Brussels.

Figure: Customers attending Labelexpo can make their own comparison between the Gallus Screeny A-Line, S-Line and Standard Line.

Metallic doming – the new combination printing method

The term “metallic doming” describes a new and unique decorative effect developed by Gallus in narrow-web label printing – a reflective, metallic raised structure manufactured using a relief in rotary screen printing. The first live presentation of metallic doming to the label industry was on a Gallus RCS 330 at the Gallus Innovation Days. What makes metallic doming unique is the lasting metal-relief effect achieved on paper, plastic films such as tube laminates or transparent self-adhesive material.

All the individual components required for the metallic doming combination printing process have undergone further development at Gallus and are market-ready. Gallus is now in a position at Labelexpo 2015 to offer its customers a starter package on the Gallus RCS 330 comprising the following individual components:

• Gallus Screeny DY (this fabric type has produced the best results by far)
• Metallic doming glue
• Metallic doming foil
• Metallic doming laminating cylinder
• A software update in the machine control system
• Training from an experienced printing instructor

See the new metallic doming application process for yourself and enquire about the package price. Inspect the sample Gallus Screeny labels at Labelexpo 2015 in the Gallus Screeny area of the Gallus stand.

Figure: Gallus Screeny sample label for Labelexpo 2015 – edelweiss produced using the metallic doming combination printing method.

Prepress made easy with Gallus Screeny Digital

Standardisation and automation for increased cost-effectiveness, enhanced quality and process reliability in prepress and the pressroom, and no need for films or chemicals – for all these reasons, label print shops are increasingly looking to use digital imaging for their printing formes. CTP (computer to plate) imaging systems can now be used for flexographic, offset, letterpress and screen printing plates. Gallus has the perfect solution for all imaging systems on the market so that all label printers can use Gallus Screeny products successfully. It offers the Gallus Screeny Digital screen printing plate for ablative imaging. This plate has become increasingly popular since its market launch. In addition to the benefits of filmless imaging, another key advantage of Gallus Screeny Digital is the fact that the same equipment can be used for masking (= digital imaging) as for masking the ablative flexographic printing plates. This cuts down on investment costs, saves time and money, and means that filmless blockmaking is very easy.

Figure: Filmless blockmaking is very easy with a Gallus Screeny Digital screen printing plate.

With Gallus Screeny, Gallus offers the widest range of analogue and digital screen printing plates and has the perfect solution for all imaging systems on the market so that all label printers can use Gallus Screeny products successfully. Pay a visit to the Screeny area of the Gallus stand at Labelexpo Europe 2015, where the Gallus team will be happy to answer your questions and advise you on which imaging system will best suit your company.

Tempo 120 – screen/combination printing at 120 metres per Minute

Gallus set up the Tempo 120 project group at the Gallus Innovation Days in 2014. This group’s aim is to make rotary screen printing a more cost-efficient and competitive process than flexographic printing. As a supplier of system solutions, Gallus has set itself the task of performing thorough tests to establish the perfect combination of all relevant print parameters for this project and developing this further – from the design of the press and screen printing unit all the way through to the screen printing plates, inks and drying system.

A large number of the label printers using rotary screen printing currently operate at production speeds of between 30 and 60 metres per minute. If the production speed matched that of flexographic printing, greater use could be made of the productivity potential of inline production on a label press while also benefiting from the embellishing effects of screen printing. The objective of this project is to fully exploit the press’s performance potential in terms of achieving the maximum speed in screen printing.

The Tempo 120 project group has performed initial tests and obtained the desired results. These will be presented to visitors attending Labelexpo. It is aiming to offer label printers a system solution by the end of 2016 at the latest.

Figure: The Tempo 120 project group has performed initial proof-printing tests and will be presenting these as a basis for discussion at Labelexpo 2015.

 

Its position as a pioneer in rotary screen printing and its many years of experience in this field make Gallus the ideal contact if you have any relevant questions. Visit the Gallus Screeny area of the Gallus stand at Labelexpo, where Gallus will be presenting a whole host of innovations that will revolutionise rotary screen printing, and help Gallus Screeny celebrate its 30th anniversary. The Gallus Screeny team looks forward to seeing and chatting to you at the event. If you have any questions about the Gallus Screeny presentation at Labelexpo, please feel free to get in touch with us – we’ll be happy to help.


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