© Wiegand-Glas
FOCUS ON TECHNOLOGY
Coating plays a crucial role in the production of high-quality and resistant glass bottles with individual design.
Electrostatic Solution for Glass Bottles Katja Villnow J. Wagner GmbH, Markdorf – Germany
katja.villnow@wagner-group.com
At its paintshop in Bavaria (Germany), the Wiegand-Glas company, specializing in manufacturing individual packaging solutions made of glass and PET for the beverage and food industries, simplified and optimized its paint application process with innovative equipment provided by WAGNER.
T
he family-run Wiegand-Glas Group manufactures and sells
already met Wiegand-Glas’ high demands in terms of material efficiency
individual packaging concepts made of glass and PET for the
and productivity very well.
beverage and food industries at several locations in Bavaria
However, the previous coating process had a high level of complexity due
and Thuringia (Germany). The competencies of the long-established
to the processing of conductive water-based paint in combination with
company also include services related to finishing, logistics and recycling.
electrostatics. Wiegand-Glas wanted to reduce this complexity and make
With almost 2,000 employees, more than 8 million glass containers are
the entire process simpler. Due to the internal charging of the previous
produced every day.
application equipment, the entire system was permanently under high
The challenge
voltage during production, and the paint supplies stood on insulated pedestals. In order to access the components during production, for
At its site in Steinbach am Wald (Bavaria), Wiegand-Glas produces
example to provide a second paint container, a complex potential
around 3.5 million glass containers per day. Coating plays a decisive
separation with two paint kitchens was necessary. Wiegand-Glas was
role in the production of high-quality and resistant glass bottles with
therefore looking for a new, more efficient solution with optimized line
individual designs. Wiegand-Glas also attaches particular importance
lengths that would achieve the same high surface quality as the existing
to a sustainable production process. In Steinbach am Wald, a system
system. The control system was also to be more intuitive in order to
for electrostatic liquid coating had been in use for several years, which
minimize operating errors.
118
N. 71 - SEPTEMBER/OCTOBER 2021 - international PAINT&COATING magazine
