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GEW – Bizerba invests nitrogen-inerted UV curing

The GEW nitrogen-inerted UV curing unit installed a Bizerba’s MPS EF4 flexo press

GERMANY • Bizerba Labels & Consumables GmbH is a label manufacturing plant and warehouse on the outskirts of Bochum. Their product range includes amongst others innovative marking and labelling solutions with self-adhesive specialty labels, thermal labels, linerless labels, multi-layered labels and functional label systems for a wide range of applications in food processing and the food retail trade.

In 2015 Bizerba installed a new 20-inch wide MPS EF4 press with eight print units including facilities for reverse print and multi-web operation with two different materials. The UV curing system supplied by GEW comprises eight E2C lampheads with RHINO ArcLED electronic power supplies and comes with a nitrogen UV curing chamber for the final varnish application.

Nitrogen curing is essential for the production of packing for use in the food processing industry. The curing process takes place under controlled conditions in a sealed chamber into which the nitrogen is injected to purge the atmospheric oxygen. Inert atmosphere UV will prevent oxygen inhibition of the curing process, improve the degree of curing and increase production speeds, all at the same or lesser power levels. GEW’s inert atmosphere curing solution is built around a chill roller and comes with an embedded precision oxygen level controller to ensure complete process consistency and production efficiency. The nitrogen control panel gives the operator a visual feedback and enables him to accurately control the volume of nitrogen required in the chamber to optimise the curing process.

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Armin Karl Geiger

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