Case Study
Three highly efficient Bobst folder-gluers give Wellstar full flexibility in production
for e-commerce packaging In mid-2021, Wellstar Packaging decided to invest in a Bobst EXPERTFOLD 165 with e-commerce option, which was installed later in the year.
A
s a result, the German manufacturer of corrugated board packaging now has three folder-gluers from Bobst covering the entire range of formats and applications required by customers in the e-commerce market.
Sebastian Würth, operations manager at Wellstar -Packaging GmbH, says: “The overall concept of the e-commerce version of the EXPERTFOLD 165 meets our needs. With this machine, we have optimised our efficiency in the production of medium-sized shipping packaging.” The Bräunlingen-based company has produced corrugated packaging for the e-commerce market since 2013, using a Bobst MASTERFOLD 145 folder-gluer configured specifically for its requirements. Four years later, it put into operation a MASTERFOLD 230 for larger packaging formats.
The excellent experience with the quality and reliability of these folder-gluers spoke in favour of once again relying on the Swiss manufacturer when investing in another machine for medium- sized formats.
PRODUCTION OF COMPLEX PACKAGING IN ONE PASS All three Bobst folder-gluers at Wellstar are equipped with a GYROBOX module, which can rotate blanks at any angle from 00 to 900 in the running direction – optionally from left to right or from right to left.
With a high degree of flexibility and at speeds up to 250 m/min, it allows single-pass production of very complex shipping boxes that would otherwise have to pass through the machine twice.
This not only reduces manufacturing costs, but also simplifies the production of packaging that require silicone strips and tear tapes, while boxes that do not need to be rotated can pass through the GYROBOX module at full machine speed. Wellstar has had additional video cameras installed on the GYROBOX modules of all three folder-gluers, allowing operators to monitor the production process in great detail. Mr Würth says: “From our point of view, this inline variant is the best solution for the production of e-commerce packaging.” The GYROBOX on Wellstar’s MASTERFOLD 230 folder-gluer consists of two large modules. They
rotate the blanks of the larger shipping boxes with maximum stability and reliability. “We achieve very good results with this configuration. Production downtime has been reduced to a minimum,” says Mr Würth. “Meanwhile, a comparable GYROBOX configuration is available for the EXPERTFOLD 165 format range, and we will probably have our machine retrofitted with this option in the coming year.”
Bobst is continuously working on improving its machine technology and is thus providing Wellstar with new possibilities in packaging production.
“This is also an important element for us in our partnership with the Swiss company,” Mr Würth adds.
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February 2023
www.convertermag.com
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