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Bally Wulff plays it safe with Autotype Capillex CP

Autotype International : 13 March, 2006  (Company News)
The Bally-Wulff group, headquartered in Berlin, is one of the leading German companies in the development, production and sale of gaming machines. 2005 was a record year for Bally Wulff and a large percentage of the equipment was exported, no mean feat in today's harsh economic climate. The key to the success of this company is not only the gaming systems, but also the consistent
Joachim Weber, the manager of the screen printing and graphics area of the company, explains: “Such success in international markets means very short production and delivery times. This has led to a dramatic growth in demand for the screen printed glass panels and emblem supports. As a result we are continually confronted with numerous challenges in production, such as consistent high quality and near perfect registration.

All of our designs and films are produced in-house as they are required to be sub-surface printed in reverse on the glass panels with UV inks. The close viewing distance of the gaming machines requires us to print fine halftones which can cause some problems. The demands for reproducibility are also very high. Depending on the need and also the success of a game, the numbers to be produced vary between 150 and 6,000 items and are often repeated”.

Mr Weber recalls: “typically 10, 12 or even 15 colours are printed on each panel so you have to be very careful. The high thread count of the fabric, 150/cm, that is needed for printing UV inks can also cause some problems as we are printing onto glass. As a result we use a considerable number of screens in a month, each of them over one square metre. Precision is everything; precision in mesh tension, stencil thickness/flatness and print reproduction, as even the smallest deviation in the colour value will be shown up by the back illumination.

It has already become clear to Mr Weber a long time ago that there is no other choice but capillary films if print jobs are to be uniformly repeated and the best quality obtained: “the most consistent films are those of the Autotype Capillex range from MacDermid Autotype. We have been using Autotype Capillex CP across Europe for more than 3 years now and find that this film best meets our needs”.

Autotype Capillex CP photostencil has been specifically formulated for very fine halftone and line printing. It is the unique Controlled Profile technology used in Autotype Capillex CP that gives it the low stencil profile and optimized Rz value which minimises the ink skipping and stacking problems that can so often plague UV printing.

“Quite simply, it is easy to achieve the results we need with Autotype Capillex CP”, Mr Weber comments in conclusion, “as it guarantees fast set-up times, constant quality and reliability. This way, we are in a position to satisfy the strict requirements of the international market and to supply quickly and reliably”.
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